HP EliteDesk 800 Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP
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- HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 1
Maintenance and Service Guide HP EliteDesk 800 G1 Tower HP EliteDesk 800 G1 Small Form Factor HP EliteDesk 800 G1 Ultra-Slim Desktop - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 2
HP products and services are set forth in the express warranty statements accompanying such products and services. Nothing herein should be construed as constituting an additional warranty. HP Number: 723282-001 Product notice This guide describes features that are common to most models. Some features - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 3
About This Book WARNING! Text set off in this manner indicates that failure to follow directions could result in bodily harm or loss of life. CAUTION: Text set off in this manner indicates that failure to follow directions could result in damage to equipment or loss of information. NOTE: Text set - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 4
iv About This Book - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 5
Desktop (USDT) rear panel components 8 Serial number location ...8 Tower (TWR) ...9 Small Form Factor (SFF 9 Ultra-slim Desktop (USDT 10 2 Activating and Customizing the Software 11 Activating and customizing the software in Windows 7 11 Activating the Windows operating system 11 Downloading - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 6
19 Sequential part number listing 19 Small Form Factor (SFF) chassis spare parts 22 Computer major components 22 Cables ...23 Misc parts ...24 Drives ...25 Misc boards ...25 Sequential part number listing 26 Ultra-Slim Desktop (USDT) chassis spare parts 29 Computer major components 29 Cables - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 7
switch/LED assembly ...77 Fan sink ...79 Processor ...81 Speaker ...82 Smart Cover Lock (solenoid lock 83 Hood sensor ...86 Fan ...87 Power supply ...89 System board and PCI expansion slot daughter card 92 6 Removal and replacement procedures: Small Form Factor (SFF 94 Preparation for disassembly - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 8
I/O assembly ...130 Power switch assembly ...132 Speaker ...134 Fan sink ...135 Processor ...136 System board ...138 Changing from desktop to tower configuration 140 7 Removal and replacement procedures: Ultra-slim Desktop (USDT 141 Preparation for disassembly 141 Access panel ...142 Front bezel - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 9
sensor ...165 Card reader ...166 WLAN module ...168 Graphics board ...169 Power switch ...170 System board ...171 Rear fan ...173 Antennas ...174 Changing from desktop to tower configuration 178 Port cover ...179 Power supply, external ...179 8 Computer Setup (F10) Utility 180 Computer Setup (F10 - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 10
resetting the CMOS 252 12 HP PC Hardware Diagnostics 254 Why run HP PC Hardware Diagnostics - UEFI 254 How to access and run HP PC Hardware Diagnostics - UEFI 254 Downloading HP PC Hardware Diagnostics to a USB device 255 13 System backup and recovery 256 Backing up, restoring, and recovering - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 11
recovery media (select models only 267 Using HP Recovery Disc operating system discs (select models only 268 Appendix A Battery replacement 270 Appendix B Power cord set requirements 273 General requirements ...273 Japanese power cord requirements 273 Country-specific requirements 274 Appendix - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 12
xii - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 13
the model. For a complete listing of the hardware and software installed in the computer, run the diagnostic utility (included on some computer models only). NOTE: All three computer models can be used in a tower orientation or a desktop orientation. Tower (TWR) Standard configuration features 1 - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 14
Small Form Factor (SFF) Ultra-slim Desktop (USDT) 2 Chapter 1 Product features - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 15
Manager icon in the Windows taskbar. NOTE: The Power On Light is normally white when the power is on. If it is flashing red, there is a problem with the computer and it is displaying a diagnostic code. Refer to Interpreting POST diagnostic front panel LEDs and audible codes on page 246 to interpret - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 16
Small Form Factor (SFF) front panel components Drive configuration may vary by model. Some models have a bezel blank covering one or more drive bays. 1 Slim Optical Drive (optional) 5 Headphone Connector 2 USB 2.0 Ports (black) 6 Dual-State Power Button 3 USB 3.0 Ports (blue) 7 Hard Drive - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 17
Power On Light is normally white when the power is on. If it is flashing red, there is a problem with the computer and it is displaying a diagnostic code.Refer to Interpreting POST diagnostic front panel LEDs and audible codes on page 246 to interpret the code. Ultra-slim Desktop (USDT) front panel - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 18
Tower (TWR) rear panel components 1 Power Cord Connector 2 PS/2 Keyboard Connector (purple) 7 Line-Out Connector for powered audio devices (green) 8 PS/2 Mouse Connector (green) 3 USB 2.0 Ports (black) 9 RJ-45 Network Connector 4 DisplayPort Monitor Connectors 5 VGA Monitor - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 19
powered audio devices (green) 6 Power Cord Connector NOTE: An optional second serial port and an optional parallel port are available from HP. card will display POST messages. The system board graphics can be disabled by changing settings in Computer Setup. Small Form Factor (SFF) rear panel - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 20
Ultra-slim Desktop (USDT) rear panel components 1 Line-Out Connector for powered audio devices 6 VGA Monitor Connector (green) 2 USB 2.0 Ports (black) 7 Power Cord Connector 3 USB 3.0 Ports (blue) 8 Line-In Audio Connector (blue) 4 DisplayPort Monitor Connectors 9 RJ-45 Network - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 21
Tower (TWR) Small Form Factor (SFF) Serial number location 9 - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 22
Ultra-slim Desktop (USDT) 10 Chapter 1 Product features - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 23
is a 10.2 cm (4 inch) clearance at the back of the unit and above the monitor to permit the instructions on the screen to complete the activation. We recommend that you register your computer with HP during operating system setup so you can receive important software updates, facilitate support - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 24
system to the appropriate drivers. Obtain the latest support software, including support software for the operating system, from http://www.hp.com/support. Select your country and language, select Download drivers and software (and firmware), enter the model number of the computer, and press Enter - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 25
support questions, and sign up for special offers. You can also register your computer with HP using the Register with HP app PC Settings. 3. Click Personalize to change the display settings. To customize the Desktop: 1. Click the Desktop app on the Start screen. 2. Right-click on the desktop - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 26
3 Illustrated parts catalog This chapter provides spare part information for all chassis. Tower (TWR) chassis spare parts Computer major components 14 Chapter 3 Illustrated parts catalog - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 27
Access panel (3) Power supply 320W, 92% efficient 320W, 90% efficient 320W, standard 320W, HV, standard (4) HP PCI expansion slot daughter card Memory modules (PC3-12800) 8-GB 4-GB 2-GB Processors (include replacement thermal material) Intel Core i7 4770 Tower (TWR) chassis spare parts 15 - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 28
Cables Item Description (1) Front I/O assembly (2) Power switch/LED assembly (3) Drive power cable Hard drive SATA cable, 14 inch, 1 straight end, 1 angled end Hard drive SATA cable, 17.7 inch, 2 straight ends SATA cable, 18 inch, 1 straight end, 1 angled end DMS-59 to dual VGA cable - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 29
lock (3) Speaker (4) Hood sensor (5) Fan Optical drive bezel blank Printer port, PCI card HP Ultraslim Keyed Cable Lock Hard drive conversion bracket Serial port, PCI card USB powered speakers Mouse PS2, optical USB, HP Elite Washable Wireless, HP Elite USB, optical Foot kit - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 30
Item Description Keyboard PS/2 USB USB, wireless Smart card Wireless keyboard, mouse, and dongle Drives Description Hard drive 2 TB, 7200 rpm 1 TB, hybrid SSD 1 TB, 10000 rpm 1 TB, 7200 rpm 750 GB, 7200 rpm, - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 31
Foot kit DMS-59 to dual VGA cable DisplayPort cable DVD-ROM drive 1 TB, 7200 rpm hard drive 2 TB, 7200 rpm SATA hard drive Adapter, DisplayPort to HDMI Adapter, DisplayPort to DVI Adapter, DisplayPort to VGA USB powered speakers Serial port PCI card Hood sensor Printer port, PCI card Hard drive - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 32
Chassis fan Speaker Hard drive power cable SATA optical drive power cable DVD±RW drive 128-GB Solid-state drive Memory module, 2-GB, PC3 12800 Memory module, material) HP PCI expansion slot daughter card Keyboard, smart card, for use in models with Windows 8 GeForce GT630 PCIe x16 graphics card, 2 - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 33
for use in NetClone models Intel PRO/1000 single port GbE NIC, includes bracket AMD Radeon HD8350 PCIe x16 graphics card, 1 GB DDR3 AMD Radeon HD8470 PCIe x16 graphics card, 2 GB DDR3 Wireless keyboard, mouse, and dongle Access panel Power switch/LED with holder Front I/O assembly Front bezel for - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 34
Small Form Factor (SFF) chassis spare parts Computer major components Item Description (1) Front bezel (2) Access panel (3) Power supply 240W, 92% efficient 240W, 90% efficient 240W, standard (4) System board (includes replacement thermal material) For use in models without Windows 8 - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 35
end DMS-59 to dual VGA cable Adapter, DisplayPort to VGA Adapter, DisplayPort to DVI Adapter, DisplayPort to HDMI DisplayPort cable Spare part number 732755-001 732756-001 732759-001 732753-001 638813-001 638814-001 463023-001 632484-001 662723-001 617450-001 487562-001 Small Form Factor (SFF - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 36
Optical drive bezel blank Solenoid lock Printer port, PCI card HP Ultraslim Keyed Cable Lock Rubber foot Chassis stand Serial port, PCI card Hard drive conversion bracket USB powered speakers Mouse PS2, optical USB, HP Elite Washable Wireless, HP Elite USB, optical Foot kit 24 - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 37
Item Description Keyboard PS/2 USB USB, wireless Smart card Wireless keyboard, mouse, and dongle Drives Description Hard drive 2 TB, 7200 rpm 1 . Misc boards Description nVidia Quadro NVS310 PCIe x16 graphics card, 512 MB Spare part number 707252-001 Small Form Factor (SFF) chassis spare parts 25 - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 38
, DisplayPort to VGA USB powered speakers Optical drive SATA cable, 19.5 inch, 2 straight ends SATA cable, 25.2 inch, 1 straight end, 1 angled end Serial port PCI card Hood sensor Printer port, PCI card DVD±RW drive Adapter, DisplayPort to DVI 128-GB Solid-state drive Memory module, 2-GB, PC3 12800 - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 39
graphics card, 1 GB Keyboard, PS/2, for use in models with Windows 8 Keyboard, USB, black, for use in models with Windows 8 Keyboard, wireless, for use in models with Windows 8 Mouse, washable 1 TB hard drive, hybrid SSD 500 GB hard drive, hybrid SSD Fan duct Speaker Small Form Factor (SFF) chassis - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 40
732760-001 732769-001 732772-001 Description Fan sink Intel Core i7 4770 processor (3.4-GHz, 8-MB L3 cache) port GbE NIC, includes bracket Hard drive SATA cable, 14 inch, 1 straight end, 1 angled end SATA drive power cable Front I/O cable assembly Power switch assembly Front bezel Access panel - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 41
Ultra-Slim Desktop (USDT) chassis spare parts Computer major components Item Description (1) Access panel (2) Front bezel (3) Stand (4) System board (includes replacement thermal material) For use in models without Windows 8 For use in models with Windows 8 Standard For use in - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 42
Item Description 2-GB Processors (include replacement thermal material Intel Core i7 4770s (3.1-GHz, 8-MB L3 cache) Intel Core i5 4670s (3.1-GHz, 6-MB L3 cache) Intel Core i5 4570s (2.9-GHz, 6-MB L3 cache) Cables Item Description (1) Optical drive - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 43
use with the discrete graphics card (includes replacement thermal material; not illustrated) (2) Power switch assembly (3) Speaker (4) Rear port cover (5) Fan, rear (6) Front I/O panel (7) Chassis fan, front Optical drive bezel blank Solenoid lock HP Ultraslim Keyed Cable Lock Drive - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 44
Item Description PS2, optical USB, HP Elite Washable Wireless, HP Elite USB, optical Keyboard PS/2 USB, basic USB, wireless Smart card Wireless keyboard, dongle, and mouse Drives Description Hard drive 750 GB, 7200 rpm, hybrid SSD 500 GB, 7200 rpm, self-encrypting (SED) 500 GB, 7200 - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 45
Mouse, wireless, HP Elite Mouse, USB, HP Elite 256-GB Solid-state drive, self-encrypting (SED) 500 GB, 7200 rpm hard drive 32-GB Solid-state drive Heat sink for use on models with discrete graphics cards (includes thermal material) Memory module, 2-GB, PC3-12800 Ultra-Slim Desktop (USDT) chassis - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 46
MB L3 cache) Intel Core i5 4670s processor (3.1-GHz, 6-MB L3 cache) Intel Core i7 4770s processor (3.1-GHz, 8-MB L3 cache) Drive cage Front I/O assembly Access panel Front bezel Front fan Chassis fan, rear Power switch assembly Optical drive bezel blank Solenoid lock 34 Chapter 3 Illustrated parts - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 47
described in this chapter is essential for proper service. CAUTION: When the computer is plugged into an AC power source, voltage is always applied to the system board. You must disconnect the power cord from the power source before opening the computer to prevent system board or component damage - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 48
7,000 V Packing PCBs in foam-lined box 5,000 V These are then multi-packaged inside plastic tubes, trays, or Styrofoam. Relative Humidity 40% 15,000 V 5,000 V 800 V 700 V 4,000 V 5,000 V 20,000 V 11,000 V 10% 35,000 V 12,000 V 6,000 V 2,000 V 11,500 V 14,500 V 26,500 V 21,000 V NOTE: 700 volts - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 49
PCB laminate. Handle them only at static-free work areas. ● Turn off power and input signals before inserting and removing connectors or test equipment. ● Use such as ordinary plastic assembly aids and Styrofoam. ● Use field service tools, such as cutters, screwdrivers, and vacuums, that are - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 50
Field service desktop unit as this also restricts airflow. ● Occasionally clean the air vents on all vented sides of the computer computer before cleaning the air vents. ● Never operate the computer with the cover or side panel removed. ● Do not stack computers on top of each other or place computers - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 51
power management functions of the operating system or other software, including sleep states. Routine care General cleaning safety precautions 1. Never use solvents or flammable solutions to clean the computer quickly and Computer Case on page 39. When cleaning debris from under the keys, review - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 52
page 39. Service considerations Listed below are some of the considerations that you should keep in mind during the disassembly and assembly of the computer. Power supply fan The power supply fan is a variable-speed fan based on the temperature in the power supply. CAUTION: The cooling fan is always - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 53
service the computer, you need the following: ● Torx T-15 screwdriver ● Torx T-15 screwdriver with small computer are not interchangeable. They may have standard or metric threads and may be of different lengths. If an incorrect screw is used during the reassembly process, it can damage the unit. HP - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 54
battery The battery that comes with the computer provides power to the real-time clock and has a minimum lifetime of about three years. See the appropriate removal and replacement chapter for the chassis you are working on in this guide for instructions on the replacement procedures. WARNING! This - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 55
drives. Current HP desktop products ship with computer. ● Keep cables away from major heat sources like the heat sink. ● Do not jam cables on top of expansion cards or memory modules. Printed circuit cards on components like the drive cage, power supply, or computer cover to push cables down into the - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 56
: Tower (TWR) Adherence to the procedures and precautions described in this chapter is essential for proper service. After fan is on even when the computer is in the "Standby," or "Suspend" modes. The power cord should always be disconnected before servicing a unit. 5. As applicable, lay the computer - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 57
Access panel Spare part number 732748-001 To access internal components, you must remove the access panel: 1. Prepare the computer for disassembly (Preparation for disassembly on page 44). 2. Lift up on the access panel handle (1) then lift the access panel off the computer (2). Access panel - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 58
front bezel can be locked in place by installing a security screw provided by HP. To install the security screw: 1. Prepare the computer for disassembly (Preparation for disassembly on page 44). 2. Remove the access panel (Access panel on page 45) 3. Remove the security screw from the side of the - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 59
Front bezel Front bezel for use in China Spare part number 732751-001 732752-001 1. Prepare the computer for disassembly (Preparation for disassembly on page 44). 2. Remove the access panel (Access panel on page 45) 3. Lift up the three tabs on the side of the bezel (1), then rotate the - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 60
to be removed before installing a drive. To remove a bezel blank: 1. Remove the access panel (Access panel on page 45) 2. Remove the front bezel (Front bezel on page 47) 3. bezel trim piece (available from HP) that surrounds the front of the drive. 48 Chapter 5 Removal and replacement procedures - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 61
(1) and rotate the bezel blank back and to the right to remove it (2). ● To remove a slim optical drive bezel blank, press inward slim optical drive bezel blank and installing a slim optical drive, you can install an optional bezel trim piece (available from HP) that surrounds the front of the slim - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 62
computer comes with double data rate 3 synchronous dynamic random access memory (DDR3SDRAM) dual inline memory modules (DIMMs). DIMMs The memory JEDEC SPD information In addition, the computer supports: ● 512-Mbit, 1-Gbit, and 2-Gbit non-ECC memory technologies ● single-sided and double-sided - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 63
DIMMs CAUTION: You must disconnect the power cord and wait approximately 30 seconds for the power to drain before adding or removing memory modules. Regardless of the power-on state, voltage is always supplied to the memory modules as long as the computer is plugged into an active AC outlet - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 64
and properly seated. Make sure the latches are in the closed position (3). 5. Repeat steps 3 and 4 to install any additional modules. The computer should automatically recognize the additional memory the next time you turn on the computer. 52 Chapter 5 Removal and replacement procedures: Tower (TWR) - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 65
expansion slot to the system board by purchasing a PCI extender board from HP. To remove, replace, or add an expansion card: 1. Prepare the computer for disassembly (Preparation for disassembly on page 44). 2. Remove the access panel (Access panel on page 45) 3. Locate the correct vacant expansion - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 66
that may be attached to the expansion card. a. If you are installing an expansion card in a vacant socket, remove the appropriate expansion slot cover on the back of the chassis. Lift the expansion slot cover from the expansion slot. 54 Chapter 5 Removal and replacement procedures: Tower (TWR) - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 67
up to remove it. Be sure not to scrape the card against other components. c. If you are removing a PCI Express x16 card, pull the retention arm on the back of the expansion socket away from the card and carefully rock the card back and forth until the connectors pull free from the socket. Lift - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 68
8. To install a new expansion card, slide the bracket on the end of the card down into the slot on the back of the chassis and press the card down firmly into the socket on the system board. NOTE: When installing an expansion card, press firmly on the card so that the whole connector seats properly - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 69
13 Serial Port COMB 14 Hood Lock HLCK 15 Hood Sensor HSENSE white (not applicable) white black black black black black black white Component System Board PCI Extender (optional, shown installed) Any SATA Device other than the Primary Hard Drive USB 2.0 Device, such as a USB 2.0 Media Card - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 70
Memory Module Memory Module Memory Module SATA Drives System Board Front USB 3.0 Ports USB 3.0 Device, such as a USB 3.0 Media Card Reader Any SATA Device other than the Primary Hard Drive Any SATA Device other than the Primary Hard Drive 58 Chapter 5 Removal and replacement procedures: Tower - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 71
, follow these guidelines: ● The primary Serial ATA (SATA) hard drive must be card reader USB 3.0 cable to the USB connector on the system board labeled MEDIA3.0. ● The power guide screws to ensure the drive will line up correctly in the drive cage and lock in place. HP has provided extra guide - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 72
Device USB 3.0 Media Card Reader Secondary Hard Drive in 3.5-inch Hard Drive Bay CAUTION: To prevent loss of work and damage to the computer or drive: If you are inserting or removing a drive, shut down the operating system properly, turn off the computer, and unplug the power cord. Do not remove - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 73
-height drive bay 2 Slim optical drive bay 3 3.5-inch drive bay for optional drive (such as a media card reader) 4 Primary 3.5-inch internal hard drive bay 5 Secondary 3.5-inch internal hard drive bay 6 Secondary 2.5-inch internal hard drive bay NOTE: The drive configuration on your computer may be - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 74
the drive from the computer. 1. Prepare the computer for disassembly (Preparation for disassembly on page 44) 2. Remove the access panel (Access panel on page 45) 3. Remove the front bezel (Front bezel on page 47) 4. Disconnect the power cable and data cable from the back of the drive. CAUTION - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 75
: Use only 5-mm long screws as guide screws. Longer screws can damage the internal components of the drive. 5. Slide the drive into the drive bay, making sure to align the guide screws with the guide slots, until the drive snaps into place. 6. Connect the power cable and data cable to the rear - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 76
is available from HP. Install the computer for disassembly (Preparation for disassembly on page 44) 2. Remove the access panel (Access panel on page 45) 3. Remove the front bezel (Front bezel on page 47) 4. Disconnect the drive cables from the rear of the drive, or, if you are removing a media card - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 77
5. Press the release lever at the rear of the drive away from the drive (1) and slide the drive from the drive bay (2). Drives 65 - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 78
inch device 1. Prepare the computer for disassembly (Preparation for disassembly on page 44). 2. Remove the access panel (Access panel on page 45). 3. information. 4. Install 6-32 guide screws in the holes on each side of the drive. NOTE: HP has supplied four extra 6-32 guide screws on top of the - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 79
the drive from the computer. 1. Prepare the computer for disassembly (Preparation for disassembly on page 44) 2. Remove the access panel (Access panel on page 45) 3. Remove the front bezel (Front bezel on page 47) 4. Disconnect the power cable and data cable from the back of the drive. CAUTION - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 80
Installing a slim optical drive 1. Prepare the computer for disassembly (Preparation for disassembly on page 44). 2. Remove the access panel (Access panel on page be used, the release latch must be attached. a. Peel the backing off the adhesive on the release latch. b. Without allowing the Tower (TWR) - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 81
the way into the bay so that it locks in place. 6. Connect the power cable and data cable to the rear of the optical drive. 7. Connect the opposite bezel trim piece that surrounds the front of the slim optical drive is available from HP. Install the bezel trim piece in the front bezel before replacing - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 82
the new hard drive. 1. Prepare the computer for disassembly (Preparation for disassembly on page 44) 2. Remove the access panel (Access panel on page 45) 3. Disconnect the power cable (1) and data cable (2) from the back of the hard drive. 70 Chapter 5 Removal and replacement procedures: Tower (TWR) - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 83
5. Remove the four guide screws (two on each side) from the old drive. You will need these screws to install a new drive. Installing a 3.5-inch or 2.5-inch hard drive 1. Prepare the computer for disassembly (Preparation for disassembly on page 44) 2. Remove the access panel (Access panel on page 45 - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 84
32 isolation mounting guide screws for 3.5-inch hard drives are installed on the exterior of the hard drive bays. Extra guide screws for HP. Refer to Drives on page 59 for an illustration of the extra 6-32 isolation mounting guide screws location. If you are replacing a drive, transfer the guides - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 85
● You can also install a 2.5-inch hard drive into a 3.5-inch drive bay using an adapter bracket similar to the example shown below. ◦ Slide the drive into the bay adapter bracket, ensuring the connector on the drive is fully inserted into the connector on the adapter bracket. ◦ Secure the drive to - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 86
silver and blue isolation mounting guide screws in the adapter bracket (two on each side of the bracket). 4. Slide the drive into the drive bay, making sure to align the guide screws with the guide slots, until the drive snaps into place. 74 Chapter 5 Removal and replacement procedures: Tower (TWR) - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 87
(1) and data cable (2) to the back of the hard drive. NOTE: The power cable for the hard drives is a three-headed cable to the dark blue connector labeled SATA0 to avoid any hard drive performance problems. If you are adding a second hard drive, connect the data cable to one of the - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 88
732750-001 1. Prepare the computer for disassembly (Preparation for disassembly on page 44). 2. Remove the access panel (Access panel on page 45). 3. side of the assembly outward (2). 7. Pull the assembly away from the computer while threading the wires through the hole in the front of the chassis - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 89
switch/LED assembly Description Power switch/LED assembly Spare part number 732749-001 1. Prepare the computer for disassembly (Preparation for disassembly on page 44). 2. Remove the access panel (Access panel on page 45). 3. Remove the front bezel (Front bezel on page 47). 4. Disconnect the cable - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 90
. 7. Pull the assembly away from the chassis while threading the cable through the hole in front of the chassis. 78 Chapter 5 Removal and replacement procedures: Tower (TWR) - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 91
cool before touching. 1. Prepare the computer for disassembly (Preparation for disassembly on page 44). 2. Remove the access panel (Access panel on page 45). 3. Loosen the four silver captive Torx T15 screws that secure the heat sink to the system board. CAUTION: Remove fan sink retaining screws in - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 92
cable from the system board connector labeled CPUFAN (1), and then lift the fan sink from atop the processor (2). CAUTION: Fan sink retaining screws should be tightened in diagonally opposite pairs (as in an replacing the system board. 80 Chapter 5 Removal and replacement procedures: Tower (TWR) - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 93
cache, 86W Spare part number 727373-001 727381-001 727380-001 1. Prepare the computer for disassembly (Preparation for disassembly on page 44). 2. Remove the access panel (Access panel on page 45). 3. Remove the fan sink (Fan sink on page 79). 4. Rotate the locking lever to its full open position - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 94
BIOS can be found on the Web at: http://www8.hp.com/us/en/support-drivers.html. Speaker Description Speaker Spare part number 645330-001 1. Prepare the computer for disassembly (Preparation for disassembly on page 44). 2. Remove the access panel (Access panel replacement procedures: Tower (TWR) - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 95
need the key to access the internal computer components in any of the following circumstances: ● Power outage ● Startup failure ● PC component (for example, processor or power supply) failure ● Forgotten password NOTE: The Smart Cover FailSafe Key is a specialized tool available from HP. Be prepared - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 96
Cover Lock to the chassis. CAUTION: After you remove the screws, the lock may fall into the computer. Hold the lock while removing the screws to avoid damaging the lock or internal components. 4. From lock, reverse the removal procedure. 84 Chapter 5 Removal and replacement procedures: Tower (TWR) - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 97
screw holes and install both security screws. Plug the connector into the system board connector. Insert the cable into the clip on the back of the system board USB port. Install the clip if necessary. NOTE: If both the hood lock and hood sensor are installed, make sure the hood sensor cable - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 98
001 1. Prepare the computer for disassembly (Preparation for disassembly on page 44). 2. Remove the access panel (Access panel on page 45). it into the computer to remove it (2). To install the hood sensor, reverse the removal procedure. 86 Chapter 5 Removal and replacement procedures: Tower (TWR) - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 99
part number 727135-001 1. Prepare the computer for disassembly (Preparation for disassembly on page 44). 2. Remove the access panel (Access panel on page 45). 3. From the outside, rear side of the chassis, remove the three silver Phillips screws that secure the fan to the chassis. 4. From the - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 100
5. Lift the fan out of the chassis (2). To install the fan, reverse the removal procedure. Be sure to orient the air flow out of the computer. 88 Chapter 5 Removal and replacement procedures: Tower (TWR) - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 101
Power supply, 320W, 92% efficient Power supply, 320W, 90% efficient Power supply, 320W Power supply, HV, 320W Spare part number 702452-001 702453-001 702454-001 707906-001 1. Prepare the computer for disassembly (Preparation for disassembly on page 44). 2. Remove the access panel (Access panel - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 102
clip on the base pan. 5. From the outside, rear of the chassis, remove the four silver Torx T15 screws that connect the power supply to the chassis. 6. Press the tab (1) on the base pan in front of the power supply that holds it in place. 90 Chapter 5 Removal and replacement procedures: Tower (TWR) - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 103
7. Slide the power supply toward the front of the computer (2), rotate slightly into the computer so the power supply clears the lip on the top of the chassis, and then lift the power supply out of the chassis (3). To install the power supply, reverse the removal procedure. Power supply 91 - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 104
for use in models with NetClone HP PCI expansion slot daughter card Spare part number 696969-001 696969-501 696969-601 727720-001 696971-001 1. Prepare the computer for disassembly (Preparation for disassembly on page 44). 2. Remove the access panel (Access panel on page 45). 3. When replacing the - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 105
the computer (2). When reinstalling the system board, first insert the I/O panel back into the slots in the rear of the chassis, and then align the board with the chassis screw holes. NOTE: When replacing the system board, you must change the chassis serial number in the BIOS. System board and PCI - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 106
If the computer is on a stand, remove the computer from the stand and lay the computer down. NOTE: During disassembly, label each cable as you remove it, noting its position and routing. Keep all screws with the units removed. 94 Chapter 6 Removal and replacement procedures: Small Form Factor (SFF) - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 107
Access panel Description Access panel Spare part number 732760-001 1. Prepare the computer for disassembly (Preparation for disassembly on page 94). 2. Lift up on the access panel handle (1) then lift the access panel off the computer (2). To install the access panel, reverse the removal - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 108
on page 94). 2. Remove the access panel (Access panel on page 95). 3. Lift up the three tabs on the side of the bezel (1), then rotate the bezel off the chassis (2). To install the front bezel, reverse the removal procedure. 96 Chapter 6 Removal and replacement procedures: Small Form Factor (SFF) - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 109
by installing a security screw provided by HP. To install the security screw: 1. Prepare the computer for disassembly (Preparation for disassembly on page 94). 2. If the computer is on a stand, remove the computer from the stand. 3. Remove the access panel (Access panel on page 95). 4. Remove the - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 110
6. Install the security screw through the middle front bezel release tab to secure the front bezel in place. 98 Chapter 6 Removal and replacement procedures: Small Form Factor (SFF) - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 111
bezel blank: 1. Remove the access panel (Access panel on page 95). 2. Remove back and to the right to remove it (4). 4. Replace the front bezel. NOTE: After removing the slim optical drive bezel blank and installing a slim optical drive, you can install an optional bezel trim piece (available from HP - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 112
JEDEC SPD information In addition, the computer supports: ● 512-Mbit, 1-Gbit, and 2-Gbit non-ECC memory technologies ● single-sided and double-sided memory channel B. Sockets DIMM3 and DIMM4 operate in memory channel A. 100 Chapter 6 Removal and replacement procedures: Small Form Factor (SFF) - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 113
to touch any of the contacts. Doing so may damage the module. 1. Prepare the computer for disassembly (Preparation for disassembly on page 94). 2. Remove the access panel (Access panel on page 95). 3. Rotate up the internal drive bay housing to access the memory module sockets on the system board - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 114
seated. Make sure the latches are in the closed position (3). 6. Repeat steps 4 and 5 to install any additional modules. The computer should automatically recognize the additional memory the next time you turn on the computer. 102 Chapter 6 Removal and replacement procedures: Small Form Factor (SFF) - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 115
on page 94). 2. If the computer is on a stand, remove the computer from the stand. 3. Remove the access panel (Access panel on page 95). 4. Locate the correct vacant expansion socket on the system board and the corresponding expansion slot on the back of the computer chassis. Expansion card 103 - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 116
expansion card. a. If you are installing an expansion card in a vacant socket, remove the appropriate expansion slot cover on the back of the chassis. Pull the slot cover straight up then away from the inside of the chassis. 104 Chapter 6 Removal and replacement procedures: Small Form Factor (SFF) - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 117
the chassis frame (2). Be sure not to scrape the card against the other components. c. If you are removing a PCI Express x16 card, pull the retention arm on the back of the expansion socket away from the card and carefully rock the card back and forth until the connectors pull free from the socket - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 118
NOTE: When installing an expansion card, press firmly on the card so that the whole connector seats properly in the expansion card slot. 10. Rotate the slot cover retention latch back in place to secure the expansion card. 106 Chapter 6 Removal and replacement procedures: Small Form Factor (SFF) - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 119
DIMM2 white 13 DIMM1 (Channel B) DIMM1 black 14 Power SATAPWR0 black Component Expansion Card Expansion Card Expansion Card Expansion Card Parallel Port Serial Port Hood Lock Hood Sensor Battery Memory Module Memory Module Memory Module Memory Module SATA Drives System board connections 107 - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 120
-001 719106-001 613202-001 719105-001 683923-001 696442-001 724938-001 680020-001 665961-001 686616-001 108 Chapter 6 Removal and replacement procedures: Small Form Factor (SFF) - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 121
drive will line up correctly in the drive cage and lock in place. HP has provided four extra 6-32 standard guide screws installed on the top of the drive bay. The 6-32 standard guide screws are required for a media card reader or a secondary hard drive installed in the 3.5-inch optional drive bay - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 122
hard drive bay NOTE: The drive configuration on your computer may be different than the drive configuration shown above. To verify the type and size of the storage devices installed in the computer, run Computer Setup. 110 Chapter 6 Removal and replacement procedures: Small Form Factor (SFF) - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 123
: All removable media should be taken out of a drive before removing the drive from the computer. 1. Prepare the computer for disassembly (Preparation for disassembly on page 94). 2. Remove the access panel (Access panel on page 95). 3. Remove the front bezel (Front bezel on page 96). 4. Rotate the - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 124
inch device 1. Prepare the computer for disassembly (Preparation for disassembly on page 94). 2. Remove the access panel (Access panel on page 95). 3. Remove guide screws with the guide slots, until the drive snaps into place. 112 Chapter 6 Removal and replacement procedures: Small Form Factor (SFF) - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 125
reader, connect the USB cable from the media card reader to the USB 3.0 connector on the system board labeled MEDIA3.0. NOTE: Refer to System board connections on page 107 for an illustration of the system board drive connectors. 8. Rotate the drive cage back down to its normal position. CAUTION: Be - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 126
Removing a slim optical drive CAUTION: All removable media should be taken out of a drive before removing the drive from the computer. 1. Prepare the computer for disassembly (Preparation for disassembly on page 94). 2. Remove the access panel (Access panel on page 95). 3. Disconnect the power cable - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 127
slim optical drive 1. Prepare the computer for disassembly (Preparation for disassembly on page 94). 2. If the computer is on a stand, remove the computer from the stand. 3. Remove the access panel (Access panel latch must be attached. a. Peel the backing off the adhesive on the release latch. - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 128
is available from HP. Install the computer is on a stand, remove the computer from the stand. 3. Remove the access panel (Access panel on page 95). 4. Disconnect the power cable and data cable from the back of the hard drive. 116 Chapter 6 Removal and replacement procedures: Small Form Factor (SFF - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 129
hard drive outward (1). While pulling the release lever out, slide the drive back until it stops, then lift the drive up and out of the bay (2). 6. To install a hard drive, you must transfer the silver and blue isolation mounting guide screws from the old hard drive to the new hard drive. Drives - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 130
. 9. Replace the access panel. 10. If the computer was on a stand, replace the stand. 11. Reconnect the power cord and turn on the computer. 12. Lock any security devices that were disengaged when the access panel was removed. 118 Chapter 6 Removal and replacement procedures: Small Form Factor (SFF) - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 131
a 2.5-inch hard drive 1. Prepare the computer for disassembly (Preparation for disassembly on page 94). 2. Remove the access panel (Access panel on page 95). 3. Rotate the drive cage to its upright position. 4. Disconnect the power cable and data cable from the back of the hard drive. 5. Pull - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 132
the data cable to one of the light blue SATA connectors on the system board. 8. Rotate the drive cage back down to its normal position. CAUTION: Be careful not to pinch any cables or wires when rotating the drive cage down. 120 Chapter 6 Removal and replacement procedures: Small Form Factor (SFF) - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 133
Prepare the computer for disassembly (Preparation for disassembly on page 94). 2. Remove the access panel (Access panel on page 95). 3. Rotate the drive cage to the upright position. 4. Disconnect all power cables from the following system board connectors: ● PWRCPU ● PWRCMD ● PWR Power supply 121 - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 134
5. Release the power supply cables from the cable retaining clip under the drive cage. 122 Chapter 6 Removal and replacement procedures: Small Form Factor (SFF) - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 135
6. From the outside, rear of the computer, remove the three Torx screws that secure the power supply to the rear of the chassis. 7. From the inside of the chassis, press the release button at the front of the power supply (1). 8. Slide the power supply forward (2), and then lift it out of the - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 136
the access panel (Access panel on page 95). 3. Rotate the fan duct upward. 4. Pull the duct away from the chassis to disengage the clips on the duct from the chassis. To install the fan duct, reverse the removal procedure. 124 Chapter 6 Removal and replacement procedures: Small Form Factor (SFF) - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 137
need the key to access the internal computer components in any of the following circumstances: ● Power outage ● Startup failure ● PC component (for example, processor or power supply) failure ● Forgotten password NOTE: The Smart Cover FailSafe Key is a specialized tool available from HP. Be prepared - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 138
procedure. Refer to the following image for the location of the slots on the back of the chassis in which to install the solenoid lock. When installing, insert the computer. Plug the connector into the system board connector. 126 Chapter 6 Removal and replacement procedures: Small Form Factor (SFF) - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 139
Smart Cover Lock (solenoid lock) 127 - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 140
001 1. Prepare the computer for disassembly (Preparation for disassembly on page 94). 2. Remove the access panel (Access panel on page 95). computer to remove it (2). To install the hood sensor, reverse the removal procedure. 128 Chapter 6 Removal and replacement procedures: Small Form Factor (SFF - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 141
Cable routing Use the following image to determine proper cable routing in the Small Form Factor computer. Cable routing 129 - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 142
Spare part number 732755-001 1. Prepare the computer for disassembly (Preparation for disassembly on page 94). 2. Remove the access panel (Access panel on page 95). 3. Remove the front bezel Blue connector labeled FRONT AUD 130 Chapter 6 Removal and replacement procedures: Small Form Factor (SFF) - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 143
6. Remove the cables from the cable clip under the drive cage. 7. Remove the Torx T15 screw (1) that secures the assembly to the front of the chassis. 8. Press the tab on the right side of the assembly (2) to disengage it from the chassis. 9. Push the assembly into the chassis (3), and remove it - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 144
Remove the access panel (Access panel on page 95). 3. Remove the front bezel (Front bezel on page 96). 4. Rotate the drive cage to its upright position. 5. Disconnect the cable from the system board connector labeled PB/LED. 132 Chapter 6 Removal and replacement procedures: Small Form Factor (SFF) - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 145
down on the tab on the top of the power switch (1) to disengage the power switch from the chassis. 8. Pull the power switch out the front of the chassis (2), while the cable through the hole in the chassis. To install the power switch assembly, reverse the removal procedure. NOTE: Be sure to - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 146
the chassis under the rotating drive cage. 1. Prepare the computer for disassembly (Preparation for disassembly on page 94). 2. Remove the access panel (Access panel on page 95). 3. Remove the front bezel (Front procedures. 134 Chapter 6 Removal and replacement procedures: Small Form Factor (SFF) - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 147
the processor with four captive Torx screws. The fan sink includes a heat sink and a fan. 1. Prepare the computer for disassembly (Preparation for disassembly on page 94). 2. Remove the access panel (Access panel on page 95). 3. Remove the fan duct (Fan duct on page 124). 4. Loosen the four captive - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 148
the computer for disassembly (Preparation for disassembly on page 94). 2. Remove the access panel (Access panel on page 95). 3. Remove the fan duct (Fan duct on page 124). 4. Remove the fan sink (Fan sink on page 135). 136 Chapter 6 Removal and replacement procedures: Small Form Factor (SFF) - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 149
solder connections. NOTE: After installing a new processor onto the system board, always update the system ROM to ensure that the latest version of the BIOS is being used on the computer. The latest system BIOS can be found on the Web at: http://www8.hp.com/us/en/support-drivers.html. Processor 137 - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 150
chassis (Fan duct on page 124). 5. Rotate the drive cage to its upright position. 6. Disconnect all data and power cables from the system board. 7. Remove the eight Torx screws (1) that secure the system board to the chassis. 138 Chapter 6 Removal and replacement procedures: Small Form Factor (SFF) - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 151
out of the chassis (3). To install the system board, reverse the removal procedure. NOTE: When replacing the system board, you must also change the chassis serial number in the BIOS. CAUTION: When reconnecting the cables it is important that they be positioned correctly. System board 139 - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 152
Changing from desktop to tower configuration The Small Form Factor computer can be used in a tower orientation with an optional tower stand that can be purchased from HP. 1. Prepare the computer for disassembly (Preparation for disassembly on page 94). 2. Orient the computer so that its right side - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 153
7 Removal and replacement procedures: Ultra-slim Desktop (USDT) Adherence to the procedures and precautions described in this chapter is essential for proper service. After completing all necessary removal and replacement procedures, run the Diagnostics utility to verify that all components operate - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 154
disassembly on page 141). 2. Loosen the thumbscrew on the rear of the computer (1), slide the access panel toward the rear of the computer, then lift it off (2). To install the access panel, reverse the removal procedure. 142 Chapter 7 Removal and replacement procedures: Ultra-slim Desktop (USDT) - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 155
Front bezel Description Front bezel Spare part number 732764-001 1. Prepare the computer for disassembly (Preparation for disassembly on page 141). 2. Remove the access panel (Access panel on page 142). 3. Lift up the three tabs on the side of the bezel (1), then rotate the bezel off the chassis - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 156
a security screw provided by HP. To install the security screw: 1. Prepare the computer for disassembly (Preparation for disassembly on page 141). 2. Remove the access panel (Access panel on page 142). 3. Remove in place. 144 Chapter 7 Removal and replacement procedures: Ultra-slim Desktop (USDT) - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 157
Spare part number 732771-001 On some models, there is a bezel blank covering the slim optical drive bay that needs to be removed before installing a slim optical drive. To remove a bezel blank: 1. Remove the access panel (Access panel on page 142). 2. Remove the front bezel (Front bezel on page 143 - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 158
2 Mini-SATA mSATA 3 Hood Lock HLOCK 4 SATA 3.0 SATA1 5 Battery BAT 6 Power SATA PWR1 7 Mobile PCI Express Module MXM 8 Hood Sensor HSENSE 9 USB 3.0 MEDIA 3.0 white black light blue black white black white black Component Expansion Card (for example, WLAN card) Ultra-Small - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 159
computer comes with double data rate 3 synchronous dynamic random access memory (DDR3SDRAM) small outline dual inline memory modules (SODIMMs). SODIMMs The memory JEDEC) specification In addition, the computer supports: ● 512-Mbit, 1-Gbit, and 2-Gbit non-ECC memory technologies ● single-sided and - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 160
to single channel. If one channel will have more memory than the other, the larger amount should be assigned to channel A. ● In any mode, the maximum operational speed is determined by the slowest SODIMM in the system. 148 Chapter 7 Removal and replacement procedures: Ultra-slim Desktop (USDT) - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 161
to touch any of the contacts. Doing so may damage the module. 1. Prepare the computer for disassembly (Preparation for disassembly on page 141). 2. Remove the access panel (Access panel on page 142). 3. Locate the memory module sockets on the system board. WARNING! To reduce risk of personal injury - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 162
Access panel on page 142). 3. Disconnect the fan control cable from the red system board connector labeled CHFAN (1). 4. Lift the fan straight up and out of the chassis (2). To install the front fan, reverse the removal procedure. 150 Chapter 7 Removal and replacement procedures: Ultra-slim Desktop - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 163
Optical drive The Ultra-Slim Desktop uses a slimline Serial ATA (SATA) optical drive. Description DVD- before removing the drive from the computer. 1. Prepare the computer for disassembly (Preparation for disassembly on page 141). 2. Remove the access panel (Access panel on page 142). 3. Remove the - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 164
the new optical drive can be used, the release latch must be attached. 1. Peel the backing off the adhesive on the release latch. 2. Without allowing the release latch to touch the optical securely to the optical drive. 152 Chapter 7 Removal and replacement procedures: Ultra-slim Desktop (USDT) - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 165
and the bezel blank covering the opening of the bay before proceeding. Follow the procedures in Access panel on page 142 and Bezel blank on page 145. 1. Follow the instructions for removing the optical drive. Refer to Removing the optical drive on page 151. 2. Attach the release latch to the new - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 166
001 696442-001 686217-001 639135-001 724938-001 680020-001 665961-001 719566-001 NOTE: The Ultra-Slim Desktop supports only 2.5-inch Serial ATA (SATA) internal hard drives. Before you remove the old hard drive, be sure to back up the data from the old hard drive so that you can transfer the data to - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 167
5. Lift the hard drive carrier straight up and out of the chassis. 6. Remove the four guide screws from the sides of the hard drive carrier. 7. Lift the hard drive up to the top of the carrier (1) and slide the drive out of the carrier (2). Hard drive 155 - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 168
fan and the I/O ports. Remove the screws from the outside and then remove the speaker from the inside. 1. Prepare the computer for disassembly (Preparation for disassembly on page 141). 2. Remove the access panel (Access panel Chapter 7 Removal and replacement procedures: Ultra-slim Desktop (USDT) - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 169
587456-001 The heat sink is secured by four Torx screws. It does not have an attached fan. 1. Prepare the computer for disassembly (Preparation for disassembly on page 141). 2. Remove the access panel (Access panel on page 142). 3. Lift the front fan up and place it on top of the optical drive to - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 170
the pins on the socket are very fragile and any damage to them may require replacing the system board. 158 Chapter 7 Removal and replacement procedures: Ultra-slim Desktop (USDT) - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 171
i7 4770s, 3.4 GHz, 8-MB L3 cache Intel Core i5 4670s, 3.1 GHz, 6-MB L3 cache Intel Core i5 4570s, 2.9 GHz, 6-MB L3 cache Spare part number 732507-001 732506-001 732505-001 1. Prepare the computer for disassembly (Preparation for disassembly on page 141). 2. Remove the access panel (Access panel - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 172
the back of the computer. Remove it using one security screw on the outside of the computer. 1. Prepare the computer for disassembly (Preparation for disassembly on page 94). 2. Remove the access panel (Access panel on page 95). 160 Chapter 7 Removal and replacement procedures: Ultra-slim Desktop - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 173
3. From the outside, rear side of the chassis, remove the silver security screw that secures the lock to the chassis. 4. From the inside of the chassis, lift the lock up to gain access to the system board connector. Smart Cover Lock (solenoid lock) 161 - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 174
procedure. Refer to the following image for the location of the slots on the back of the chassis in which to install the lock. When installing, insert the of the computer. Plug the connector into the system board connector. 162 Chapter 7 Removal and replacement procedures: Ultra-slim Desktop (USDT) - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 175
Smart Cover Lock (solenoid lock) 163 - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 176
cage sits behind the USB ports on the front of the chassis. 1. Prepare the computer for disassembly (Preparation for disassembly on page 141). 2. Remove the access panel (Access panel on page 142). 3. the removal procedures. 164 Chapter 7 Removal and replacement procedures: Ultra-slim Desktop (USDT) - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 177
Hood sensor Description Hood sensor Spare part number 638816-001 1. Prepare the computer for disassembly (Preparation for disassembly on page 141). 2. Remove the access panel (Access panel on page 142). 3. Remove the optical drive (Removing the optical drive on page 151). 4. Remove the hard drive - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 178
card reader is secured to the front right corner of the chassis. 1. Prepare the computer for disassembly (Preparation for disassembly on page 141). 2. Remove the access panel (Access panel the card reader to the chassis. 166 Chapter 7 Removal and replacement procedures: Ultra-slim Desktop (USDT) - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 179
9. Pull the reader away from the front of the chassis while threading the cable through the slot in the front of the chassis. To install the card reader, reverse the removal procedure. Card reader 167 - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 180
HP WLAN 802.11 a/b/g/n 2x2 PCIe NIC Spare part number 695915-001 1. Prepare the computer for disassembly (Preparation for disassembly on page 141). 2. Remove the access panel (Access panel on are correctly routed. 168 Chapter 7 Removal and replacement procedures: Ultra-slim Desktop (USDT) - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 181
it. 1. Prepare the computer for disassembly (Preparation for disassembly on page 141). 2. Remove the access panel (Access panel on page 142). it away from the system board connector and out of the computer (3). NOTE: Graphics card appearance may vary. To install the graphics board, reverse the - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 182
(1), and then rotate it down (2) to disengage it from the chassis. 10. Pull the power switch and cable assembly out through the hole in the front of the chassis. To install the power switch, reverse the removal procedure. 170 Chapter 7 Removal and replacement procedures: Ultra-slim Desktop (USDT) - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 183
board to prevent damaging it. 1. Prepare the computer for disassembly (Preparation for disassembly on page 141). 2. Remove the access panel (Access panel on page 142). 3. Remove the memory modules (Memory on page 147). 4. Remove the front fan (Front fan on page 150). 5. Remove the optical drive - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 184
b. Press the tab on right side of the panel (1), and then swing the right side of the cage away from the chassis to remove it (2). 13. Remove the unit until the rear connectors are clear of their slots in the chassis (1). 172 Chapter 7 Removal and replacement procedures: Ultra-slim Desktop (USDT) - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 185
also change the chassis serial number in the BIOS. Rear fan Description Rear fan Spare part number 732766-001 The rear fan is secured to the remove the rear fan. 1. Prepare the computer for disassembly (Preparation for disassembly on page 141). 2. Remove the access panel (Access panel on page 142 - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 186
2. Remove the access panel (Access panel on page 142). 3. Remove the optical drive (Removing the optical drive on page 151). 4. Remove the front fan (Front fan on page 150). 5. Remove the hard drive (Hard drive on page 154). 174 Chapter 7 Removal and replacement procedures: Ultra-slim Desktop (USDT) - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 187
on page 164). 7. Remove the heat sink (Heat sink on page 157). 8. Remove the system board (System board on page 171). 9. Remove the rear fan (Rear fan on page 173). 10. To remove the front antenna, from the inside of the front of the chassis, remove the antenna from the clips built - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 188
the front of the chassis, remove the antenna from the plastic clips attached to the side of the chassis. 176 Chapter 7 Removal and replacement procedures: Ultra-slim Desktop (USDT) - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 189
14. From the outside of the rear of the chassis, remove the two Torx T8 screws that secure the antenna to the chassis. 15. Pull the antenna through the hole it routes through. To install the rear fan, reverse the removal procedure. Antennas 177 - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 190
An optional Quick Release mounting bracket is available from HP for mounting the computer to a wall, desk, or swing arm. When the mounting bracket is used, do not install the computer with the I/O ports oriented towards the ground. 178 Chapter 7 Removal and replacement procedures: Ultra-slim Desktop - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 191
and off the computer (2). Power supply, external The USDT chassis uses an external power supply. WARNING! To reduce potential safety issues, only the power supply provided with the computer, a replacement power supply provided by HP, or a power supply purchased as an accessory from HP should be used - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 192
restarts (warm boots) as well as during power-on. ● Establish a setup password that controls access to the Computer Setup (F10) Utility and the settings described in this section. ● Secure integrated I/O functionality, including the serial, USB, or parallel ports, audio, or embedded NIC, so that - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 193
supported by drive). Using Computer Setup (F10) Utilities Computer Setup can be accessed only by turning the computer on or restarting the system. To access the Computer Setup models CAUTION: Do NOT turn the computer power OFF while the BIOS is saving the Computer Setup (F10) changes because the CMOS - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 194
Computer Setup-File NOTE: Support for specific Computer Setup options may vary depending on the hardware configuration. Table 8-1 Computer Setup-File Option Description System Information Lists: ● Product name ● SKU number ● Processor type/speed/stepping ● Cache size (L1/L2/L3) (dual core - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 195
Computer Setup-Storage NOTE: Support for specific Computer Setup options may vary depending on the hardware configuration. Table 8-2 Computer Setup-Storage Option Device Configuration Description Lists all installed BIOS-controlled storage devices. When a device is selected, detailed information - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 196
Table 8-2 Computer Setup-Storage (continued) Storage Options SATA Emulation Allows you to choose how the SATA controller and devices are accessed by the operating system. There are three supported options: IDE, RAID, and AHCI (default). CAUTION: SATA emulation changes may prevent access to - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 197
boot sources (such as a network interface card, internal hard drive, USB optical drive, specified in Boot Order, restart the computer and press Esc (to access the boot menu) and then F9 computer then boots from the selected non-default device for this one time. Computer Setup (F10) Utilities 185 - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 198
Computer Setup-Security NOTE: Support for specific Computer Setup options may vary depending on the hardware configuration. Table 8-3 Computer Setup-Security Option Setup Password Description Allows you to set and enable a setup (administrator) password. Power-On Password Password Options NOTE - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 199
the network controller. ● Serial port ● Parallel port ● SATA ports (varies by model) USB Security Allows you to set Enabled/Disabled (default is Enabled) for: ● Front USB Ports ● Rear USB Ports ● Accessory USB Ports Slot Security Allows you to disable any PCI or PCI Express slot. Default - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 200
Computer Setup-Security (continued) Master Boot Record Security Enables/disables Master Boot Record (MBR) security. The MBR contains information needed to successfully boot from a disk and to access is restarted. When MBR Security is enabled, the BIOS prevents any changes being made to the MBR of - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 201
features needed to support a virtual appliance. Changing this setting requires turning the computer off and then back on. Default computer. Default is Do not reset. CAUTION: The embedded security device is a critical component of many security schemes. Erasing the security keys will prevent access - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 202
To enable this option, a Setup password must be set. DriveLock Support-Enable/Disable. Allows you to turn off all legacy support on the computer, including booting to DOS, running legacy graphics cards Default is Don't Clear. ◦ Key Ownership-HP Keys/Custom Keys. Selecting Custom Mode allows - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 203
to access the screen that lets you boot to a device or troubleshoot your computer. Computer Setup-Power NOTE: Support for specific Computer Setup options may vary depending on the hardware configuration. Table 8-4 Computer Setup-Power Option OS Power Management Description ● Idle Power Savings - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 204
Table 8-4 Computer Setup-Power (continued) Hardware Power Management SATA Power Management - Enables or disables SATA bus and/or device power management. Default is enabled. S5 Maximum Power Savings - Turns off power to all nonessential hardware when system is off to meet EUP Lot 6 requirement of - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 205
Computer Setup-Advanced NOTE: Support for specific Computer Setup options may vary depending on the hardware configuration. Table 8-5 Computer Setup-Advanced (for advanced users) Option Power-On Options Heading Allows you to set: ● POST mode (QuickBoot, Clear Memory, FullBoot, or FullBoot Every - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 206
more DCH space for additional PCI cards which may need option ROM space. The default will be to have the NIC option-ROM-enabled. Default is PXE. ● SATA RAID Option ROM Download (enable/disable). The BIOS contains an embedded SATA RAID option ROM for RAID support. This can be temporarily disabled - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 207
Table 8-5 Computer Setup-Advanced (for advanced users) (continued) VGA Configuration Displayed only if there is an add-in video card in the system. Allows you to specify which VGA controller will be the "boot" or primary VGA controller. AMT Configuration Allows you to set: ● AMT ( - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 208
try to isolate the exact problem before calling for technical support. ● Run the HP diagnostic tool. ● Run the hard drive self-test in Computer Setup. Refer to Computer Setup (F10) Utility on page 180 for more information. ● Check the Power LED on the front of the computer to see if it is flashing - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 209
call is handled properly: ● Be in front of your computer when you call. ● Write down the computer serial number, product ID number, and monitor serial number before calling. ● Spend time troubleshooting the problem with the service technician. ● Remove any hardware that was recently added to your - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 210
Computer Setup. If it does not restart, press the power button to start the computer. ● Reconfigure the computer after installing a non-plug and play expansion board or other option. See Solving Hardware Installation Problems on page 221 for instructions. ● Be sure that all the needed device drivers - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 211
(Computer Setup can also be used to update the RTC date and time). If the problem persists, replace the RTC battery. See the Removal and Replacement section for instructions on installing a new battery, or contact an authorized dealer or reseller for RTC battery replacement. To access Control Panel - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 212
the volume. Cannot remove computer cover or access panel. Cause Smart Cover Lock, featured on some computers, is locked. Solution Unlock the Smart Cover Lock using Computer Setup. In case of forgotten password, power loss, or computer malfunction, you must manually disable the Smart Cover lock - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 213
fragmented. Defragment hard drive. Program previously accessed did not release reserved memory Restart the computer. back to the system. Virus resident on the application. 2. Add more memory. 3. Upgrade the graphics solution. Cause unknown. Restart the computer. Solving general problems 201 - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 214
to the processor. 1. Ensure that the computer air vents are not blocked and the processor cooling fan is running. 2. Open the access panel, press the power button, and see if the processor fan (or other system fan) spins. If the fan does not spin, make sure the fan cable is plugged onto the system - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 215
to the processor. 1. Ensure that the computer air vents are not blocked and the processor cooling fan is running. 2. Open the access panel, press the power button, and see if the processor fan (or other system fan) spins. If the fan does not spin, make sure the fan cable is plugged onto the system - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 216
on your region. 2. Open the access panel and ensure the power supply cable is seated into the connector on the system board. 3. Check if a device is causing the problem by removing ALL attached devices (such as hard drives or optical drives and expansion cards). Power on the system. If the system - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 217
check to see if the device is listed within Computer Setup. If it is listed, the probable cause is a driver problem. If it is not listed, the probable cause is a hardware problem. If this is a newly installed drive, run the Computer Setup utility and try adding a POST delay under Advanced > PowerOn - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 218
. Computer Setup. 2. Run the Computer Setup utility and ensure Device Available is selected for the device's SATA port in Security > Device Security. Boot order is not correct. Run the Computer Setup utility and change boot sequence in Storage > Boot Order. 206 Chapter 9 Troubleshooting - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 219
" is set to "None." (some models) Hard drive is damaged. Solution Run the Computer Setup utility and change the "Emulation Type" to "Hard Disk" in the device's details under Storage > Device Configuration. Observe if the front panel Power LED is blinking RED and if any beeps are heard. See Appendix - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 220
bottom of the Memory Stick/PRO card is not in the locked position. Unable to access data on the media card after inserting it into a slot. Cause Solution The media card is not inserted properly, is inserted in the wrong slot, or is not supported. Ensure that the card is inserted properly with - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 221
from the media card, remove it during boot or do not select the option to boot from the inserted media card during the boot process. 2. During POST (Power On Self-Test), press F9 to modify the boot menu. 3. Change the boot sequence in F10 Computer Setup. Solving media card reader problems 209 - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 222
unsaved data. Systems may have a monitor connection on both the motherboard or an add-in card. Try moving the monitor connection to a different connector on the back of the computer 1. In Control Panel, select Category from the View by list, then under Appearance and Personalization, select Adjust - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 223
with HP memory. 4. Replace the system board. Blank screen and the power LED flashes Red six times, once every second, followed by a two second pause, and the computer beeps six times. (Beeps stop after fifth iteration but LEDs continue flashing.) Cause Solution Pre-video graphics error. For - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 224
for instructions. Image is not centered. Cause Position may need adjustment. Solution Press the monitor's Menu button to access the OSD menu. Select ImageControl/ Horizontal Position or Vertical Position to adjust the horizontal or vertical position of the image. 212 Chapter 9 Troubleshooting - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 225
cable between the monitor and computer. CAUTION: Ensure that the computer power is off while connecting the video cable. "Out of Range" displays on screen. Cause Solution Video resolution and refresh rate are set higher than what the monitor supports. Restart the computer and enter Safe Mode - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 226
graphics card. 2. Manually synchronize the Clock and Clock Phase on- screen display functions. To download a SoftPaq that will assist you with the synchronization, go to the following Web site, select the appropriate monitor, and download either SP32347 or SP32202: http://www.hp.com/ support - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 227
attempting to resume from Sleep state, do not hold down the power button for more than four seconds. Otherwise, the computer will shut down and you will lose any unsaved data. Internal speaker is disabled in Computer Setup. Enable the internal speaker in Computer Setup. Select Advanced > Device - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 228
use a different audio device than speakers. Some graphics cards support audio over the DisplayPort connection (if applicable), so multiple powered audio devices and is not designed for headphone use. Solution Plug the headphones into the headphone connector on the front of the computer. Computer - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 229
access Device Manager in Windows 8, from the Start screen, type c, select Control Panel from the list of applications, and then select Device Manager. Make sure the application has selected the correct audio device. Set the operating system to use the correct audio device. Solving printer problems - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 230
printer driver for the application. Reconnect all cables. Reset the printer by turning it off for one minute, then turn it back on. Printer will not print. Cause The printer may be out of paper. Solution Check the paper tray and refill it if it is empty. 218 Chapter 9 Troubleshooting without - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 231
Limited Warranty for terms and conditions. Computer is in Sleep state. Press the power button to resume from Sleep state. CAUTION: When attempting to resume from Sleep date, do not hold down the power button for more than four seconds. Otherwise, the computer will shut down and you will lose - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 232
plugged into the back of the computer. Shut down the computer using the keyboard Computer is in Sleep state. Press the power button to resume from Sleep state. CAUTION: When attempting to resume from Sleep state, do not hold down the power button for more than four seconds. Otherwise, the computer - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 233
and then select Device Manager. To access Device Manager in Windows 8, from the Start screen, type c, select Control Panel from the list of applications, and then select Device Manager. USB ports on the computer are disabled in Computer Setup. Run the Computer Setup utility and ensure that Device - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 234
specific problems. 3. If you still cannot resolve the issue, contact Customer Support. Power LED flashes Red five times, once every second, followed by a two second pause, and the computer beeps five times. (Beeps stop after fifth iteration but LEDs continue flashing.) Cause Solution Memory is - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 235
network cabling. Table 9-2 Solving Network Problems Wake-on-LAN feature is not functioning. Cause S5 Maximum Power Saving feature is enabled. Solution Disable the S5 Maximum Power Saving option in Computer Setup. Select Power > Hardware Power Management > S5 Maximum Power Savings. Solving Network - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 236
Wake on LAN option in Computer Setup. Select Advanced > Device Options > S5 Wake on LAN. Wake-on-LAN is not enabled. To enable Wake-on-LAN in Windows 7: 1. Select Start > Control Panel the Power Management tab, then enable the appropriate Wake-on LAN option. 224 Chapter 9 Troubleshooting without - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 237
driver does not detect network controller. Cause Solution Network controller is disabled. 1. Run Computer Setup and enable network controller. 2. Enable the network controller in the operating system using Device Manager. To access Device Manager in Windows 7, click Start, select Control Panel - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 238
deleted when the drivers for a new expansion board were installed. The expansion board installed is a network card (NIC) and conflicts with the embedded NIC. Under the Computer Setup Advanced menu, change the resource settings for the board. 226 Chapter 9 Troubleshooting without diagnostics - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 239
board, you must unplug the computer power cord before attempting to reseat, install, or remove a memory module. For those systems that support ECC memory, HP does not support mixing ECC and non-ECC memory. Otherwise, the computer will not boot the operating system. Solving memory problems 227 - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 240
8MB of system memory in single channel mode or 16MB of memory in dualchannel mode to download, decompress, memory for the application. Solution Delete any TSRs that you do not need. Check the memory requirements for the application or add more memory to the computer. 228 Chapter 9 Troubleshooting - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 241
or is bad. 1. Reseat DIMMs. Power on the system. 2. Replace DIMMs one at a time to isolate the faulty module. 3. Replace third-party memory with HP memory. 4. Replace the system board. Solving processor problems If you encounter processor problems, common causes and solutions are listed in - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 242
check to see if the device is listed within Computer Setup. If it is listed, the probable cause is a driver problem. If it is not listed, the probable cause is a hardware problem. If this is a newly installed drive, run the Computer Setup utility and try adding a POST delay under Advanced > PowerOn - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 243
Panel, and then select Device Manager. To access Device Manager in Windows 8, from the Start screen, type c, select Control Panel from the list of applications, and then select Device Manager. 2. Restart the computer and let Windows detect the CD or DVD driver. Solving CD-ROM and DVD problems - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 244
between manufacturers. Solving USB flash drive problems If you encounter USB flash drive problems, common causes and solutions are listed port that has been hidden in Computer Setup. The device was not properly seated before power-up. Solution Run the Computer Setup utility and enable USB ports - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 245
the computer. USB ports on the computer are disabled in Computer Setup. Run the Computer Setup utility and ensure that the USB ports are set to Enabled in Security > USB Security. Solving Internet access problems If you encounter Internet access problems, consult your Internet Service Provider - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 246
Internet. Cause Solution The CAT5 UTP cable is disconnected. Connect the CAT5 UTP cable between the cable modem and the computers's RJ-45 connector. (If the connection is good, the "PC" LED light on the front of the cable/DSL modem will be on.) IP address is not configured properly. Contact - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 247
than the factory-installed operating system, check to be sure it is supported on the system. If you encounter software problems, see the applicable solutions listed in the following table. Computer will not continue and the HP logo does not display. Cause Solution ROM issue - POST error has - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 248
to fix problems that might prevent Windows from starting correctly. To access Automatic Repair: 1. Press the Windows logo + l to open the Settings charm. 2. Select Change PC Settings, select General, and then under Advanced startup, click Restart now. 3. Select Troubleshoot, select Advanced - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 249
codes, error messages, and the various indicator light and audible sequences that you may encounter during Power-On Self-Test (POST) or computer restart, the probable source of the problem, and steps you can take to resolve the error condition. POST Message Disabled suppresses most system messages - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 250
system board. 110-Out of Memory Space for Option ROMs Recently added PCI expansion card contains 1. If a PCI expansion card was recently an option ROM too large to download added, remove it to see if the problem during POST. remains. 2. In Computer Setup, set Advanced > Device Options > NIC - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 251
time or date in configuration memory. RTC (real-time clock) battery may need to be replaced. Reset the date and time under Control Panel (Computer Setup can also be used). If the problem persists, replace the RTC battery. See the Removal and Replacement section for instructions on installing a new - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 252
ROM with the latest BIOS image. 1. Reseat CPU fan. 2. Reseat fan cable. 3. Replace CPU fan. 1. Reseat chassis, rear chassis, or front chassis fan. 2. Reseat fan cable. 3. Replace chassis, rear chassis, or front chassis fan. 1. Reseat front chassis fan. 2. Reseat fan cable. 3. Replace front chassis - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 253
Control panel message Description Recommended action 514-CPU or Chassis Fan not Detected CPU or chassis fan is not connected or may have malfunctioned. 1. Reseat CPU or chassis fan. 2. Reseat fan cable. 3. Replace CPU or chassis fan. 515-Power Supply fan not detected Power supply fan is not - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 254
patch that error message. Enter Computer Setup will fix an erroneous error message.) and run the Drive Protection System test under Storage > DPS Self-test. 2. Apply hard drive firmware patch if applicable. (Available at http://www.hp.com/support.) 3. Back up contents and replace hard drive - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 255
Control panel message Description Recommended action 2200-PMM Allocation Error during MEBx Download Memory error during POST execution of the Management Engine (ME) BIOS Extensions option ROM. 1. Reboot the computer. 2. Unplug the power cord, re-seat the memory modules, and reboot the computer. - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 256
3. If the error still persists, replace the system board. 1. Reboot the computer. 2. If the error persists, update to the latest BIOS version. 3. If the error still persists, replace the system board. Make sure there is a memory module in the black DIMM1 socket and that it is properly seated. 1. Try - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 257
the error persists, update to the latest BIOS version and ME firmware version. 3. If the error still persists, replace the system board. Invalid Electronic Serial Number Electronic serial number is missing. Enter the correct serial number in Computer Setup. POST numeric codes and text messages - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 258
missing pins. 3. Ensure that none of the keys are depressed. 4. Replace keyboard. Run Computer Setup and Diagnostic utilities. Interpreting POST diagnostic front panel LEDs and audible codes This section covers the front panel LED codes as well as the audible codes that may occur before or during - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 259
Replace the power supply. 4. Replace the system board. OR The USDT power supply adapter must be at 135W and use the Smart ID technology before the system will power up. Replace the power supply adapter with the HP-supplied USDT power supply adapter. Interpreting POST diagnostic front panel LEDs and - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 260
continue until problem is solved. Possible cause Pre-video memory error. Pre-video graphics error. System board failure (ROM detected failure prior to video). Recommended action CAUTION: To avoid damage to the DIMMs or the system board, you must unplug the computer power cord before attempting - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 261
replace the system board. 5. If the 5V_aux light on the system board is not turned on, remove the expansion cards one at a time until the 5V_aux light on the system board turns on. It the problem persists, replace the power supply. Interpreting POST diagnostic front panel LEDs and audible codes 249 - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 262
be established through the Computer Setup Utilities menu. This computer supports two security password features that are established through the Computer Setup Utilities menu: setup password and power-on password. When you establish only a setup password, any user can access all the information on - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 263
the Illustrated Parts & Service Map (IPSM). The IPSM can be downloaded from http://www.hp.com/support. 5. Remove the jumper from pins 1 and 2. Place the jumper on either pin 1 or 2, but not both, so that it does not get lost. 6. Replace the computer cover or access panel. 7. Reconnect the external - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 264
3. Remove the computer cover or access panel. CAUTION: Pushing the CMOS button will reset CMOS values to factory defaults. It is important to back up the computer CMOS settings before resetting them in case they are needed later. Back up is easily done through Computer Setup. See Computer Setup (F10 - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 265
the CMOS button and other system board components, see the Illustrated Parts & Service Map (IPSM). 5. Replace the computer cover or access panel. 6. Reconnect the external devices. 7. Plug in the computer and turn on power. NOTE: You will receive POST error messages after clearing CMOS and rebooting - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 266
to the call agent, who will either schedule support or provide replacement parts. How to access and run HP PC Hardware Diagnostics - UEFI To access the UEFI diagnostics: 1. Restart or turn on the computer and press Esc repeatedly until the BIOS boot menu appears. 2. Press F2 or select Diagnostics - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 267
. c. Third - in the BIOS, a core set of diagnostics (for memory and hard disk drive) that are accessible only if the USB or hard disk drive versions are not detected. Downloading HP PC Hardware Diagnostics to a USB device 1. Go to http://www.hp.com. 2. Click the Support & Drivers link. 3. Select the - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 268
up, restoring, and recovering in Windows 8 Your computer includes tools provided by HP and Windows to help you safeguard your information and retrieve it if you ever need to. These tools will help you return your computer to a proper working state or even back to the original factory state, all with - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 269
to troubleshoot a Windows 8 computer on-screen instructions to continue manually Support. 3. As you add photos, video, music, and other personal files, create a backup of your personal information. Windows File History can be set to regularly and automatically back up files from libraries, desktop - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 270
select Help and Support. ● If you want a quick and easy way to recover the system without losing your personal information, settings, or apps that came preinstalled on your computer or were purchased from the Windows Store, Windows Refresh is an option. This method does not require backing up data - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 271
the on-screen instructions. If Windows is not responding, use these steps to start Refresh: 1. If possible, back up all personal files. 2. If possible, check for the presence of the HP Recovery partition: From the Start screen, type c, and then select Computer NOTE: If the HP Recovery partition is - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 272
the on-screen instructions. If Windows is not responding, use these steps to start Reset: 1. If possible, back up all personal files. 2. If possible, check for the presence of the HP Recovery partition: From the Start screen, type c, and then select Computer. NOTE: If the HP Recovery partition is - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 273
system, as well as drivers, software, and utilities. To initiate recovery using Windows 8 operating system media: NOTE: This process takes several minutes. 1. If possible, back up all personal files. 2. Restart the computer, and then follow the instructions provided with the Windows 8 operating - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 274
system diagnostics). You can also manually create a system restore point at any time. For more information and steps for creating specific system restore points, see Help and Support. To access Help and Support, select Start > Help and Support. 3. As you add photos, video, music, and other personal - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 275
recovery media using HP Recovery Manager (select models only) ● To create recovery discs, your computer must have a DVD instructions. Label each disc after you make it (for example, Recovery 1, Recovery 2), and then store the discs in a secure place. To create a recovery USB flash drive: Backing - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 276
6. Follow the on-screen instructions. When the process is complete, label the drivers or applications. ● Driver Recovery DVD-Installs specific drivers and applications only, in the same way that the HP Software Setup utility installs drivers and applications. To create recovery discs, your computer - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 277
. NOTE: For detailed instructions on various backup and restore options, perform a search for these topics in Help and Support. To access Help and Support, select Start > Help and Support. NOTE: Windows includes the User Account Control feature to improve the security of your computer. You may be - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 278
, go to http://www.hp.com/support. For worldwide support, go to http://welcome.hp.com/country/us/en/wwcontact_us.html. You can also order the recovery disc set by calling support. For contact information, see the Worldwide Telephone Numbers booklet included with the computer. NOTE: Always use the - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 279
Files... message appears on the screen. 5. At the HP Recovery Manager screen, follow the on-screen instructions to continue. 6. When Windows has loaded, shut down the computer, reconnect all peripheral devices, and then turn the computer back on. System Recovery using recovery media (select models - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 280
operating system DVD to reboot the computer and repair the operating system. To order a Windows 7 operating system DVD and Driver Recovery DVD, go to the HP website. For U.S. support, go to http://www.hp.com/support. For worldwide support, go to http://welcome.hp.com/country/us/en/wwcontact_us.html - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 281
. After the repair is completed: 1. Eject the Windows 7 operating system DVD and then insert the Driver Recovery DVD. 2. Follow the on-screen instructions to install the Hardware Enabling Drivers first, and then install Recommended Applications. Backing up, restoring, and recovering in Windows 7 269 - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 282
. CAUTION: Regardless of the power-on state, voltage is always present on the system board as long as the system is plugged into an active AC outlet. You must disconnect the power cord to avoid damage to the internal components of the computer. 5. Remove the access panel. 270 Appendix A Battery - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 283
computer models, it may be necessary to remove an internal component to gain access to the battery. 7. Depending on the type of battery holder on the system board, complete the following instructions (2). Type 3 a. Pull back on the clip (1) that is holding the battery in place, and remove the battery - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 284
clip back into place. NOTE: After the battery has been replaced, use the following steps to complete this procedure. 8. Replace the access panel. 9. Plug in the computer and turn on power to the computer. 10. Reset the date and time, your passwords, and any special system setups using Computer Setup - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 285
B Power cord set requirements The power supplies on some computers have external power switches. The voltage select switch feature on the computer permits it to operate from any line voltage between 100-120 or 220-240 volts AC. Power supplies on those computers that do not have external power - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 286
Kingdom (1) BSI France (1) UTE United States (2) UL Germany (1) VDE 1. The flexible cord must be Type HO5VV-F, 3-conductor, 0.75mm2 conductor size. Power cord set fittings (appliance coupler and wall plug) must bear the certification mark of the agency responsible for evaluation in the - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 287
10-90% Nonoperating (38.7°C max wet bulb) 5-95% 5-95% Maximum Altitude (unpressurized) Operating Nonoperating 10,000 ft 30,000 ft 3048 m 9144 m Power Supply Operating Voltage Range 90-264 VAC Rated Voltage Range1 Rated Line Frequency Operating Line Frequency 100-240 VAC 50-60 Hz 47-63 Hz - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 288
factor corrected power supply also has the added benefit of not requiring an input voltage range select switch. SFF specifications Chassis (in the desktop position) Height 3.95 in 10.0 cm Width 13.3 in 33.8 cm Depth 14.9 in 37.9 cm Approximate Weight 16.7 lb 7.6 kg Weight Supported - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 289
the computer is equipped with a port security bracket) Approximate Weight 6.8 lb 3.1 kg Weight Supported (maximum distributed load in desktop position Input Current N/A 1 This system utilizes an active power factor corrected external power supply. This allows the system to pass the CE mark - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 290
safety precautions 39 CMOS backing up 250 clearing and resetting 252 computer specifications 276, 277 computer cleaning 39 country power cord set requirements 274 Customer Support 196 D deleted files restoring for Windows 8 computer models 258 DIMMs. See memory disassembly preparation SFF 94 TWR 44 - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 291
79 TWR spare part number 79 TWR, spare part number 17, 19 fan, power supply 40 flash drive problems 232 flashing LEDs 246 front bezel removing blanks 99, 145 SFF removal and replacement 96 SFF security 97 SFF spare part number 96 SFF, spare part number 22, 28 TWR blank removal 48 TWR removal 47 - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 292
clearing 250 power-on 250 setup 250 PCI expansion slot daughter card TWR removal and replacement 92 port cover USDT spare part number 179 POST error messages 237 power cord set requirements country specific 274 power problems 203 power supply fan 40 operating voltage range 275, 276, 277 SFF removal - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 293
SFF speaker 134 SFF system board 138 TWR fan 87 TWR fan sink 79 TWR front USB panel 76 TWR hood sensor 86 TWR PCI expansion slot daughter card 92 TWR power supply 89 TWR power switch assembly 77 TWR processor 81 TWR solenoid lock 83 TWR speaker 82 TWR system board 92 USDT access panel 142 USDT card - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 294
serial port, spare part number 17, 24 service considerations 40 setup password 250 SFF access panel, spare part number 22, 28 disassembly preparation 94 drive power cable, spare part number 23, 28 fan duct removal and replacement 124 fan duct, spare part number 24, 27 fan sink removal and - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 295
tower conversion SFF 140 USDT 178 TWR access panel, spare part number 15, 21 disassembly preparation 44 drive power cable, spare part number 16, 21 fan removal and replacement 87 fan sink removal and replacement 79 fan sink, spare part number 17, 19 fan, spare part number 17, 20 front bezel, spare - HP EliteDesk 800 | Maintenance and Service Guide - HP EliteDesk 800 G1 Tower, HP - Page 296
Windows 7 operating system DVD creating 264 using for restore 268 Windows 7 operating system media creating 264 Windows 8 backup and restore 256 Driver Recovery media 261 f11 recovery 258 hard drive recovery 258 operating system DVD 261 recovery partition 258 restoring the hard drive 258 WLAN module
Maintenance and Service Guide
HP EliteDesk 800 G1 Tower
HP EliteDesk 800 G1 Small Form Factor
HP EliteDesk 800 G1 Ultra-Slim Desktop