HP ProDesk 480 G2 Micro Maintenance and Service Guide ProDesk 400 G2 Microtowe
HP ProDesk 480 G2 Micro Manual
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- HP ProDesk 480 G2 Micro | Maintenance and Service Guide ProDesk 400 G2 Microtowe - Page 1
Maintenance and Service Guide HP ProDesk 400 G2 Microtower HP ProDesk 480 G2 Microtower HP ProDesk 490 G2 Microtower - HP ProDesk 480 G2 Micro | Maintenance and Service Guide ProDesk 400 G2 Microtowe - 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 Part Number: 762902-002 Product notice This guide describes features that are common to most models - HP ProDesk 480 G2 Micro | Maintenance and Service Guide ProDesk 400 G2 Microtowe - Page 3
Safety warning notice WARNING! To reduce the possibility of heat-related injuries or of overheating the device, do not place the device directly on your lap or obstruct the device air vents. Use the device only on a hard, flat surface. Do not allow another hard surface, such as an adjoining optional - HP ProDesk 480 G2 Micro | Maintenance and Service Guide ProDesk 400 G2 Microtowe - Page 4
iv Safety warning notice - HP ProDesk 480 G2 Micro | Maintenance and Service Guide ProDesk 400 G2 Microtowe - Page 5
1 Product features ...1 Standard configuration features ...1 Front panel components ...2 Rear panel components - HP ProDesk 400 G2 and 480 G2 models 3 Rear panel components - HP ProDesk 490 G2 models 6 Serial number location ...7 2 Activating and Customizing the Software ...8 Activating and - HP ProDesk 480 G2 Micro | Maintenance and Service Guide ProDesk 400 G2 Microtowe - Page 6
23 Service considerations Microtower 27 Preparation for disassembly ...27 Access panel ...28 Front bezel ...29 Optical drive bezel blank ...30 Memory ...31 DIMMs ...31 DDR3-SDRAM DIMMs ...31 Populating DIMM sockets (HP ProDesk 400 G2 and 480 G2 models 32 Populating DIMM sockets (HP ProDesk 490 G2 - HP ProDesk 480 G2 Micro | Maintenance and Service Guide ProDesk 400 G2 Microtowe - Page 7
Processor ...58 Speaker ...60 Fan ...62 Power supply ...64 System board ...68 HP ProDesk 400 G2 system board callouts 70 HP ProDesk 480 G2 system board callouts 71 HP ProDesk 490 G2 system board callouts 73 6 Computer Setup (F10) Utility ...75 Computer Setup (F10) Utilities ...75 Using Computer - HP ProDesk 480 G2 Micro | Maintenance and Service Guide ProDesk 400 G2 Microtowe - Page 8
is responding 140 System Recovery when Windows is not responding 141 System Recovery using recovery media (select models only 141 Using HP Recovery Disc operating system discs (select models only 142 Appendix A Power cord set requirements ...144 General requirements ...144 Japanese power cord - HP ProDesk 480 G2 Micro | Maintenance and Service Guide ProDesk 400 G2 Microtowe - Page 9
Appendix B Statement of Volatility ...146 Appendix C Specifications ...148 Index ...150 ix - HP ProDesk 480 G2 Micro | Maintenance and Service Guide ProDesk 400 G2 Microtowe - Page 10
x - HP ProDesk 480 G2 Micro | Maintenance and Service Guide ProDesk 400 G2 Microtowe - Page 11
1 Product features Standard configuration features Features may vary depending on the model. For support assistance and to learn more about the hardware and software installed on your computer model, run the HP Support Assistant utility. Standard configuration features 1 - HP ProDesk 480 G2 Micro | Maintenance and Service Guide ProDesk 400 G2 Microtowe - Page 12
7 Headphone Connector 4 SD Card Reader 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. 2 Chapter 1 Product features - HP ProDesk 480 G2 Micro | Maintenance and Service Guide ProDesk 400 G2 Microtowe - Page 13
Rear panel components - HP ProDesk 400 G2 and 480 G2 models Several different rear panels are available. Refer to the following image that matches your computer. 1 board graphics can be disabled by changing settings in Computer Setup. Rear panel components - HP ProDesk 400 G2 and 480 G2 models 3 - HP ProDesk 480 G2 Micro | Maintenance and Service Guide ProDesk 400 G2 Microtowe - Page 14
(included on some models 12 PS/2 Keyboard Connector (purple) only) NOTE: An optional second serial port and an optional parallel port are available from HP. When a graphics card is installed in one of the system board slots, the video connectors on the graphics card and the integrated graphics on - HP ProDesk 480 G2 Micro | Maintenance and Service Guide ProDesk 400 G2 Microtowe - Page 15
purple) only) NOTE: An optional second serial port and an optional parallel port are available from HP. Some models have an optional DisplayPort on the rear panel. When a graphics card is installed in settings in Computer Setup. Rear panel components - HP ProDesk 400 G2 and 480 G2 models 5 - HP ProDesk 480 G2 Micro | Maintenance and Service Guide ProDesk 400 G2 Microtowe - Page 16
Rear panel components - HP ProDesk 490 G2 models 1 Power Cord Connector 2 Line-In Audio Connector (blue) 7 only) NOTE: An optional second serial port and an optional parallel port are available from HP. Some models have an optional DisplayPort on the rear panel. When a graphics card is - HP ProDesk 480 G2 Micro | Maintenance and Service Guide ProDesk 400 G2 Microtowe - Page 17
Serial number location Each computer has a unique serial number and a product ID number that are located on the exterior of the computer. Keep these numbers available for use when contacting customer service for assistance. Serial number location 7 - HP ProDesk 480 G2 Micro | Maintenance and Service Guide ProDesk 400 G2 Microtowe - Page 18
to 10 minutes. Carefully read and follow 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 questions, and sign up for special offers. CAUTION - HP ProDesk 480 G2 Micro | Maintenance and Service Guide ProDesk 400 G2 Microtowe - Page 19
5 to 10 minutes. Carefully read and follow the instructions on the screen to complete the activation. We recommend that you register your computer with HP during operating system set up so you can receive important software updates, facilitate support questions, and sign up for special offers. You - HP ProDesk 480 G2 Micro | Maintenance and Service Guide ProDesk 400 G2 Microtowe - Page 20
Customizing the monitor display You can customize display settings for Windows 8 separately for the Start screen and the Desktop. To customize the Start screen: 1. Point to the upper-right or lower-right corner of the Start screen to display the charms. 2. Click Settings > Change PC Settings. 3. - HP ProDesk 480 G2 Micro | Maintenance and Service Guide ProDesk 400 G2 Microtowe - Page 21
Illustrated parts catalog NOTE: HP continually improves and changes product parts. For complete and current information on supported parts for your computer, go to http://partsurfer.hp.com, select your country or region, and then follow the on-screen instructions. Computer major components Computer - HP ProDesk 480 G2 Micro | Maintenance and Service Guide ProDesk 400 G2 Microtowe - Page 22
480 models: ● Without Windows 8.1 ● Windows 8.1 Standard ● Windows 8.1 Professional ● NetClone (the People's Republic of China only) HP ProDesk 490 models: ● Without Windows 8.1 ● Windows 8.1 Standard ● Windows 8.1 Professional ● NetClone (the People's Republic of China only) Processors (include - HP ProDesk 480 G2 Micro | Maintenance and Service Guide ProDesk 400 G2 Microtowe - Page 23
Item Description Intel Core i7 4790S (3.2-GHz, 6-MB L3 cache) Intel Core i7 4771 (3.5-GHz, 8-MB L3 cache) Intel Core i7 4770 (3.4-GHz, 8-MB L3 cache) Intel Core i7 4770s (3.1-GHz, 8-MB L3 cache) Intel Core i5 4690 (3.5-GHz, 6-MB L3 cache) Intel Core i5 4690S (3.2-GHz, 6-MB L3 cache) Intel Core i5 - HP ProDesk 480 G2 Micro | Maintenance and Service Guide ProDesk 400 G2 Microtowe - Page 24
Cables Item (1) (2) Description SATA data cable, hard drive, 10 inch, two straight ends SATA data cable, 10 inch, one straight end, one right angled end SATA data cable, 14 inch, one straight end, one right angled end SATA data cable, 14 inch, one straight end, one right angled end DisplayPort - HP ProDesk 480 G2 Micro | Maintenance and Service Guide ProDesk 400 G2 Microtowe - Page 25
Misc parts Item (1) (2) (3) (4) (5) Description Fan sink (includes replacement thermal material) Standard BFR/PVC free Speaker Fan Standard Non-recycled Front I/O assembly Fan vent cover for use in models without a chassis fan WLAN modules Misc parts 15 - HP ProDesk 480 G2 Micro | Maintenance and Service Guide ProDesk 400 G2 Microtowe - Page 26
Removable frame carrier (installs in optical drive bay; includes adapter for 2.5-inch hard drives) Mouse PS2, optical USB, optical USB, laser Washable HP USB Antimicrobial Mouse (for use only in China) Keyboards PS/2 USB USB, unbranded, Katydid Smart card, CCID Wireless keyboard, mouse, and dongle - HP ProDesk 480 G2 Micro | Maintenance and Service Guide ProDesk 400 G2 Microtowe - Page 27
Drives Description Hard drives and solid-state drives (SSDs) 2 TB, 7200 rpm, 3.5 inch 1 TB, hybrid SSD, 2.5-inch 1 TB, 7200 rpm, 3.5 inch 500 GB, 7200 rpm, 2.5 inch, self-encrypting (SED) 500 GB, hybrid SSD, 2.5 inch 500 GB, 7200 rpm, 3.5 inch 500 GB, 7200 rpm, 2.5 inch 500 GB, 5400 rpm, 2.5 inch - HP ProDesk 480 G2 Micro | Maintenance and Service Guide ProDesk 400 G2 Microtowe - Page 28
PCI boards Description (1) AMD Radeon HD8350 DH PCIe x16 graphics card, 1 GB (2) Nvidia NVS310 PCIe x16 graphics card, 512 MB (3) Nvidia GeForce GT630 DP PCIe x16 graphics card, 2 GB Nvidia NVS315 PCIe x16 graphics card, 1 GB AMD Radeon HD8490 DP PCIe x16 graphics card, 1 GB AMD Radeon - HP ProDesk 480 G2 Micro | Maintenance and Service Guide ProDesk 400 G2 Microtowe - Page 29
information for the computer. Adherence to the procedures and precautions 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 - HP ProDesk 480 G2 Micro | Maintenance and Service Guide ProDesk 400 G2 Microtowe - Page 30
directly contact dissipative surfaces. ● Keep work area free of nonconductive materials such as ordinary plastic assembly aids and Styrofoam. ● Use field service tools, such as cutters, screwdrivers, and vacuums, that are conductive. 20 Chapter 4 Routine care, SATA drive guidelines, and disassembly - HP ProDesk 480 G2 Micro | Maintenance and Service Guide ProDesk 400 G2 Microtowe - Page 31
with ground cord of one-megohm +/- 10% resistance ● Static-dissipative table or floor mats with hard tie to ground ● Field service kits ● Static awareness labels ● Wrist straps and footwear straps providing one-megohm +/- 10% resistance ● Material handling packages ● Conductive plastic bags - HP ProDesk 480 G2 Micro | Maintenance and Service Guide ProDesk 400 G2 Microtowe - Page 32
● Never cover the ventilation slots on the monitor with any type of material. ● Install or enable 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 - HP ProDesk 480 G2 Micro | Maintenance and Service Guide ProDesk 400 G2 Microtowe - Page 33
ball with a clean, dry cloth before reassembly. ● To clean the mouse body, follow the procedures in Cleaning the Computer Case on page 22. 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 - HP ProDesk 480 G2 Micro | Maintenance and Service Guide ProDesk 400 G2 Microtowe - Page 34
reassembly process, it can damage the unit. HP strongly recommends that all screws removed during disassembly being removed or replaced. CAUTION: When servicing this computer, ensure that cables are placed you are working on in this guide for instructions on the replacement procedures. WARNING! This - HP ProDesk 480 G2 Micro | Maintenance and Service Guide ProDesk 400 G2 Microtowe - Page 35
designed to transmit data for only a single drive. SMART ATA drives The Self Monitoring Analysis and Recording Technology (SMART) ATA drives for the HP Personal Computers have built-in drive failure prediction that warns the user or network administrator of an impending failure or crash of the hard - HP ProDesk 480 G2 Micro | Maintenance and Service Guide ProDesk 400 G2 Microtowe - Page 36
● Some flat ribbon cables come prefolded. Never change the folds on these cables. ● Do not bend any cable sharply. A sharp bend can break the internal wires. ● Never bend a SATA data cable tighter than a 30 mm (1.18 in) radius. ● Never crease a SATA data cable. ● Do not rely on components like the - HP ProDesk 480 G2 Micro | Maintenance and Service Guide ProDesk 400 G2 Microtowe - Page 37
and replacement procedures: Microtower NOTE: HP continually improves and changes product parts. For complete and current information on supported parts for your computer, go to http://partsurfer.hp.com, select your country or region, and then follow the on-screen instructions. Adherence to the - HP ProDesk 480 G2 Micro | Maintenance and Service Guide ProDesk 400 G2 Microtowe - Page 38
the thumbscrew on the rear of the computer (1) then slide the panel back (2) and lift if off the computer (3). 28 Chapter 5 Removal and replacement procedures: Microtower - HP ProDesk 480 G2 Micro | Maintenance and Service Guide ProDesk 400 G2 Microtowe - Page 39
Front bezel Description Front bezel for use in all countries and regions except for the People's Republic of China Front bezel for use in the People's Republic of China 1. Prepare the computer for disassembly (Preparation for disassembly on page 27). 2. Remove the access panel (Access panel on page - HP ProDesk 480 G2 Micro | Maintenance and Service Guide ProDesk 400 G2 Microtowe - Page 40
tab on the right side of the blank (1), and then rotate the blank off the front of the bezel (2). 30 Chapter 5 Removal and replacement procedures: Microtower - HP ProDesk 480 G2 Micro | Maintenance and Service Guide ProDesk 400 G2 Microtowe - Page 41
are populated with at least one preinstalled DIMM. To achieve the maximum memory support, you can populate the system board with up to 16-GB of memory configured in a high-performing dual channel mode. HP ProDesk 490 G2 models The memory sockets on the system board can be populated with up to - HP ProDesk 480 G2 Micro | Maintenance and Service Guide ProDesk 400 G2 Microtowe - Page 42
, the maximum operational speed is determined by the slowest DIMM in the system. Populating DIMM sockets (HP ProDesk 490 G2 models) There are four DIMM sockets on the system board, with two sockets per channel. The DIMM in the system. 32 Chapter 5 Removal and replacement procedures: Microtower - HP ProDesk 480 G2 Micro | Maintenance and Service Guide ProDesk 400 G2 Microtowe - Page 43
panel (Access panel on page 28) 3. Open both latches of the memory module socket (1), and insert the memory module into the socket (2). In HP ProDesk 490 G2 models, populate the black DIMM sockets before the white DIMM sockets. NOTE: A memory module can be installed in only one way. Match the notch - HP ProDesk 480 G2 Micro | Maintenance and Service Guide ProDesk 400 G2 Microtowe - Page 44
graphics card configurations in HP ProDesk 400 G2 and 480 G2 models, the first (primary) card must be installed in the PCI Express x16 slot. For dual graphics card configurations in HP ProDesk 490 G2 models, the first panel on page 28) 34 Chapter 5 Removal and replacement procedures: Microtower - HP ProDesk 480 G2 Micro | Maintenance and Service Guide ProDesk 400 G2 Microtowe - Page 45
3. Remove the screw that holds down the expansion card retention latch (1) then slide the latch up (2) and pull it off the rear of the chassis (3). 4. Locate the correct vacant expansion socket on the system board and the corresponding expansion slot on the back of the computer chassis. 5. Before - HP ProDesk 480 G2 Micro | Maintenance and Service Guide ProDesk 400 G2 Microtowe - Page 46
, you must replace it with a new card or expansion slot cover for proper cooling of internal components during operation. 36 Chapter 5 Removal and replacement procedures: Microtower - HP ProDesk 480 G2 Micro | Maintenance and Service Guide ProDesk 400 G2 Microtowe - Page 47
8. To install a new expansion card, hold the card just above the expansion socket on the system board then move the card toward the rear of the chassis (1) so that the bottom of the bracket on the card slides into the small slot on the chassis. Press the card straight down into the expansion socket - HP ProDesk 480 G2 Micro | Maintenance and Service Guide ProDesk 400 G2 Microtowe - Page 48
bay; includes adapter for 2.5-inch hard drives) When installing drives, follow these guidelines: HP ProDesk 400 G2 and 480 G2 models: ● The primary Serial ATA (SATA) hard drive must be connected to the system board labeled SATA4 or SATA5. 38 Chapter 5 Removal and replacement procedures: Microtower - HP ProDesk 480 G2 Micro | Maintenance and Service Guide ProDesk 400 G2 Microtowe - Page 49
HP ProDesk 490 G2 models: ● The primary Serial ATA (SATA) hard drive must be connected to the dark blue primary SATA connector on the system board labeled SATA0. ● Connect - HP ProDesk 480 G2 Micro | Maintenance and Service Guide ProDesk 400 G2 Microtowe - Page 50
not both. To verify the type and size of the storage devices installed in the computer, run Computer Setup. 40 Chapter 5 Removal and replacement procedures: Microtower - HP ProDesk 480 G2 Micro | Maintenance and Service Guide ProDesk 400 G2 Microtowe - Page 51
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 27) 2. Remove the access panel (Access panel on page 28) 3. Remove the front bezel ( - HP ProDesk 480 G2 Micro | Maintenance and Service Guide ProDesk 400 G2 Microtowe - Page 52
, then turn on the computer. 11. Lock any security devices that were disengaged when the access panel was removed. 42 Chapter 5 Removal and replacement procedures: Microtower - HP ProDesk 480 G2 Micro | Maintenance and Service Guide ProDesk 400 G2 Microtowe - Page 53
Removing a 3.5-inch hard drive NOTE: 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 the new hard drive. 1. Prepare the computer for disassembly (Preparation for disassembly on page 27) 2. Remove the access panel (Access - HP ProDesk 480 G2 Micro | Maintenance and Service Guide ProDesk 400 G2 Microtowe - Page 54
to avoid any hard drive performance problems. If you are adding a second hard drive, connect the data cable to the light blue SATA connector labeled SATA1. HP ProDesk 490 G2 models: You must connect the primary the access panel was removed. 44 Chapter 5 Removal and replacement procedures: Microtower - HP ProDesk 480 G2 Micro | Maintenance and Service Guide ProDesk 400 G2 Microtowe - Page 55
Removing a 2.5-inch hard drive NOTE: 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 the new hard drive. 1. Prepare the computer for disassembly (Preparation for disassembly on page 27) 2. Remove the access panel (Access - HP ProDesk 480 G2 Micro | Maintenance and Service Guide ProDesk 400 G2 Microtowe - Page 56
to avoid any hard drive performance problems. If you are adding a second hard drive, connect the data cable to the light blue SATA connector labeled SATA1. HP ProDesk 490 G2 models: You must connect the primary the access panel was removed. 46 Chapter 5 Removal and replacement procedures: Microtower - HP ProDesk 480 G2 Micro | Maintenance and Service Guide ProDesk 400 G2 Microtowe - Page 57
WLAN module Description HP WLAN 802.11 a/b/g/n + Bluetooth 4.0 Intel Dual Band Wireless-N 7260NB 802.11 a/b/g/n 2x2 WiFi + BT4.0 You can install a WLAN module using a PCIe expansion card. The module - HP ProDesk 480 G2 Micro | Maintenance and Service Guide ProDesk 400 G2 Microtowe - Page 58
(2). 8. Press the module down into place (3). 9. Tighten the two Phillips screws (4) that secure the module to the PCIe card. 48 Chapter 5 Removal and replacement procedures: Microtower - HP ProDesk 480 G2 Micro | Maintenance and Service Guide ProDesk 400 G2 Microtowe - Page 59
10. Connect the antenna cables from the module (5). WLAN module 49 - HP ProDesk 480 G2 Micro | Maintenance and Service Guide ProDesk 400 G2 Microtowe - Page 60
water. Replace the battery only with the HP spare designated for this product. CAUTION: Before HP encourages customers to recycle used electronic hardware, HP original go to http://www.hp.com/recycle. 1. Prepare on the system board, complete the following instructions to replace the battery. Type 1 - HP ProDesk 480 G2 Micro | Maintenance and Service Guide ProDesk 400 G2 Microtowe - Page 61
Type 2 a. To release the battery from its holder, squeeze the metal clamp that extends above one edge of the battery. When the battery pops up, lift it out (1). b. To insert the new battery, slide one edge of the replacement battery under the lip of the holder with the positive side up. Push the - HP ProDesk 480 G2 Micro | Maintenance and Service Guide ProDesk 400 G2 Microtowe - Page 62
up to disengage it from the system board connector. To reinstall the DisplayPort connector module, reverse the removal procedure. 52 Chapter 5 Removal and replacement procedures: Microtower - HP ProDesk 480 G2 Micro | Maintenance and Service Guide ProDesk 400 G2 Microtowe - Page 63
the computer, disconnect the three front I/O cables from the following system board connectors: ● PB/LED ● FRONT USB3.0 ● FRONT AUD NOTE: System board layout may vary. HP ProBook 400 and 490 G2 models Front I/O and power switch assembly 53 - HP ProDesk 480 G2 Micro | Maintenance and Service Guide ProDesk 400 G2 Microtowe - Page 64
HP ProBook 480 G2 models 5. Remove the cables from the metal clip built into the base pan. 6. From the front of the computer, remove the Torx T15 screw (1) that secures the assembly to the chassis. 54 Chapter 5 Removal and replacement procedures: Microtower - HP ProDesk 480 G2 Micro | Maintenance and Service Guide ProDesk 400 G2 Microtowe - Page 65
7. Press the latch on the left side of the assembly (2), and then rotate the left side of the assembly into the chassis (3). 8. From the inside of the chassis, remove the assembly from the computer. To reinstall the assembly, reverse the removal procedure. Front I/O and power switch assembly 55 - HP ProDesk 480 G2 Micro | Maintenance and Service Guide ProDesk 400 G2 Microtowe - Page 66
. The pins on the socket are very fragile and any damage to them may require replacing the system board. 56 Chapter 5 Removal and replacement procedures: Microtower - HP ProDesk 480 G2 Micro | Maintenance and Service Guide ProDesk 400 G2 Microtowe - Page 67
4. Lift the fan sink from atop the processor. CAUTION: Fan sink retaining screws should be tightened in diagonally opposite pairs (as in an X) to evenly seat the heat sink on the processor. This is especially important as the pins on the socket are very fragile and any damage to them may require - HP ProDesk 480 G2 Micro | Maintenance and Service Guide ProDesk 400 G2 Microtowe - Page 68
the computer for disassembly (Preparation for disassembly on page 27). 2. Remove the access panel (Access panel on page 28). 58 Chapter 5 Removal and replacement procedures: Microtower - HP ProDesk 480 G2 Micro | Maintenance and Service Guide ProDesk 400 G2 Microtowe - Page 69
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 59 - HP ProDesk 480 G2 Micro | Maintenance and Service Guide ProDesk 400 G2 Microtowe - Page 70
the chassis. 4. From the inside of the chassis, disconnect the speaker cable from the system board connector labeled SPKR. 60 Chapter 5 Removal and replacement procedures: Microtower - HP ProDesk 480 G2 Micro | Maintenance and Service Guide ProDesk 400 G2 Microtowe - Page 71
5. Under the drive cage, remove the speaker cable from the clip built into the base of the chassis (1), and then remove the speaker from the chassis (2). To replace the speaker, reverse the removal procedures. Speaker 61 - HP ProDesk 480 G2 Micro | Maintenance and Service Guide ProDesk 400 G2 Microtowe - Page 72
chassis. 4. From the inside of the chassis, disconnect the fan control cable (1) from the system board connector labeled CHFAN2. 62 Chapter 5 Removal and replacement procedures: Microtower - HP ProDesk 480 G2 Micro | Maintenance and Service Guide ProDesk 400 G2 Microtowe - Page 73
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. Fan 63 - HP ProDesk 480 G2 Micro | Maintenance and Service Guide ProDesk 400 G2 Microtowe - Page 74
(2): Secondary hard drive (3): Optical drive (4): Main system board power connector (labeled 'PWR') (5): Processor system board power connector (labeled 'PWRCPU') 64 Chapter 5 Removal and replacement procedures: Microtower - HP ProDesk 480 G2 Micro | Maintenance and Service Guide ProDesk 400 G2 Microtowe - Page 75
Power supply connectors connect to the drives as follows: ● P3 connector: primary hard drive ● P5 connector: primary optical drive ● P4 connector: secondary hard drive Power supply 65 - HP ProDesk 480 G2 Micro | Maintenance and Service Guide ProDesk 400 G2 Microtowe - Page 76
4. From the outside rear of the chassis, remove the four silver Torx T15 screws that secure the power supply to the chassis. 66 Chapter 5 Removal and replacement procedures: Microtower - HP ProDesk 480 G2 Micro | Maintenance and Service Guide ProDesk 400 G2 Microtowe - Page 77
5. From the inside of the chassis, press the power supply release button (1), 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 - HP ProDesk 480 G2 Micro | Maintenance and Service Guide ProDesk 400 G2 Microtowe - Page 78
, noting their location for reinstallation. 5. Remove the eight Torx T15 screws that secure the system board to the chassis. 68 Chapter 5 Removal and replacement procedures: Microtower - HP ProDesk 480 G2 Micro | Maintenance and Service Guide ProDesk 400 G2 Microtowe - Page 79
6. Slide the system board toward the front of the computer to disengage the I/O panel, and then lift the system board out of the computer. 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 - HP ProDesk 480 G2 Micro | Maintenance and Service Guide ProDesk 400 G2 Microtowe - Page 80
HP ProDesk 400 G2 system board callouts Sys Bd Label Sys Bd Connector COMB Serial Port PWRCPU Processor CMOS Processor power connector Speaker Front I/O/power switch Expansion card X1PCIEXP2 PCI Express x1 Black Expansion card 70 Chapter 5 Removal and replacement procedures: Microtower - HP ProDesk 480 G2 Micro | Maintenance and Service Guide ProDesk 400 G2 Microtowe - Page 81
Primary hard drive Secondary Hard Drive Front I/O/power switch Parallel port Front I/O Black Blue Optional parallel port Front I/O/power switch HP ProDesk 480 G2 system board callouts X1PCIEXP1 PCI Express x1 Black Expansion card X16PCIEXP IN/OUT CHFAN2 DVI/VGA USB PCI Express x16 Input and - HP ProDesk 480 G2 Micro | Maintenance and Service Guide ProDesk 400 G2 Microtowe - Page 82
I/O/power switch DVI and VGA connectors USB ports Network connector and USB ports Integrated serial port Mouse and keyboard 72 Chapter 5 Removal and replacement procedures: Microtower - HP ProDesk 480 G2 Micro | Maintenance and Service Guide ProDesk 400 G2 Microtowe - Page 83
HP ProDesk 490 G2 system board callouts System Board Label COMB PWRCPU CHFAN2 System Board Color Connector Serial Port Black Processor power connector Chassis fan connector White Red Component - HP ProDesk 480 G2 Micro | Maintenance and Service Guide ProDesk 400 G2 Microtowe - Page 84
Silver port Serial port Silver PS/2 connector Silver Network connector and USB ports Integrated serial port Mouse and keyboard 74 Chapter 5 Removal and replacement procedures: Microtower - HP ProDesk 480 G2 Micro | Maintenance and Service Guide ProDesk 400 G2 Microtowe - Page 85
POST error occurs, the error is displayed regardless of the mode selected. To manually switch to Post Messages Enabled during POST, press any key (except F1 through hard drive (when supported by drive). ● Enable or disable DriveLock security (when supported by drive). Computer Setup (F10) - HP ProDesk 480 G2 Micro | Maintenance and Service Guide ProDesk 400 G2 Microtowe - Page 86
hold F10. Turn on the computer and continue to hold F10 until the Computer Setup (F10) Utility is displayed. - or - ● Follow the Windows 8 instructions for rebooting the computer into the Computer Setup (F10) Utility. 3. A choice of five headings appears in the Computer Setup Utilities menu: File - HP ProDesk 480 G2 Micro | Maintenance and Service Guide ProDesk 400 G2 Microtowe - Page 87
Computer Setup-File NOTE: Support for specific Computer Setup options may vary depending on the hardware configuration. Table 6-1 Computer Setup-File Option System Information About Set Time and Date Description - HP ProDesk 480 G2 Micro | Maintenance and Service Guide ProDesk 400 G2 Microtowe - Page 88
: Displays for USB diskette drives. SATA Emulation Allows you to choose how the SATA controller and devices are accessed by the operating system. Supported options include: IDE and AHCI (default). CAUTION: SATA emulation changes may prevent access to existing hard drive data and degrade or corrupt - HP ProDesk 480 G2 Micro | Maintenance and Service Guide ProDesk 400 G2 Microtowe - Page 89
Computer Setup-Security NOTE: Support for specific Computer Setup options may vary depending on the hardware configuration. Table 6-3 Computer Setup-Security Option Setup Password Description Allows you to set and - HP ProDesk 480 G2 Micro | Maintenance and Service Guide ProDesk 400 G2 Microtowe - Page 90
Table 6-3 Computer Setup-Security (continued) System IDs Allows you to set: ● Asset tag (18-byte identifier), a property identification number assigned by the company to the computer. ● Ownership tag (80-byte identifier) displayed during POST. ● Universal Unique Identifier (UUID) number. The UUID - HP ProDesk 480 G2 Micro | Maintenance and Service Guide ProDesk 400 G2 Microtowe - Page 91
this setting enabled. Secure Boot enabled also sets Legacy Support to disabled. ● Key Management-This option lets you boot keys. Default is Don't Clear. ◦ Key Ownership-HP Keys/Custom Keys. Selecting Custom Mode allows you to modify troubleshoot your computer. Computer Setup (F10) Utilities 81 - HP ProDesk 480 G2 Micro | Maintenance and Service Guide ProDesk 400 G2 Microtowe - Page 92
of what sleep state the system is in. Each sleep state has a unique blink pattern. Default is disabled. NOTE: For Windows 8 systems with Fast Boot support, a normal shutdown goes to the S4 state. ◦ S0 (On) = Solid white LED. ◦ S3 (Stand By)= 3 blinks at 1Hz (50% duty cycle) followed by a pause of - HP ProDesk 480 G2 Micro | Maintenance and Service Guide ProDesk 400 G2 Microtowe - Page 93
during the Power On Self Test if the BIOS encounters some kind of problem while starting the PC. A POST error message will only display on during POST. This text does not display on Windows 8 systems with Fast Boot support. Other text also will not display (for example, Ownership Tag). Default is - HP ProDesk 480 G2 Micro | Maintenance and Service Guide ProDesk 400 G2 Microtowe - Page 94
external speakers). Default is enabled. ● Multi-Processor (enable/disable). Use this option to disable multi-processor support under the OS. Default is enabled. ● USB3.0 BIOS Driver Support (enable/disable). Use this option to disable USB 3.0 ports. VGA Configuration Displayed only if there is an - HP ProDesk 480 G2 Micro | Maintenance and Service Guide ProDesk 400 G2 Microtowe - Page 95
page 86 in this guide. To assist you in resolving problems online, HP Instant Support Professional Edition provides you with selfsolve diagnostics. If you need to contact HP support, use HP Instant Support Professional Edition's online chat feature. Access HP Instant Support Professional Edition at - HP ProDesk 480 G2 Micro | Maintenance and Service Guide ProDesk 400 G2 Microtowe - Page 96
monitor serial number before calling. ● Spend time troubleshooting the problem with the service technician. ● Remove any hardware that was recently expansion board or other option. See Solving Hardware Installation Problems on page 104 for instructions. ● Be sure that all the needed device drivers - HP ProDesk 480 G2 Micro | Maintenance and Service Guide ProDesk 400 G2 Microtowe - Page 97
system, check to be sure that it is supported on the system. ● If the system has problems You may be able to easily resolve the general problems described in this section. If a problem is displayed. - or - Follow the Windows 8 instructions for rebooting the computer into the Computer Setup (F10) - HP ProDesk 480 G2 Micro | Maintenance and Service Guide ProDesk 400 G2 Microtowe - Page 98
the problem persists, replace the RTC battery. See the Removal and Replacement section for instructions on manually disable the Smart Cover lock . A key to unlock the Smart Cover Lock is not available from HP. Keys are typically available from a hardware store. 88 Chapter 7 Troubleshooting - HP ProDesk 480 G2 Micro | Maintenance and Service Guide ProDesk 400 G2 Microtowe - Page 99
for suggestions on how to improve performance by adjusting parameters in the application. 2. Add more memory. 3. Upgrade the graphics solution. Restart the computer. Solving general problems 89 - HP ProDesk 480 G2 Micro | Maintenance and Service Guide ProDesk 400 G2 Microtowe - Page 100
the power button assembly. 5. If the 5V_aux light on the system board is off, then replace the power supply. 6. Replace the system board. 90 Chapter 7 Troubleshooting without diagnostics - HP ProDesk 480 G2 Micro | Maintenance and Service Guide ProDesk 400 G2 Microtowe - Page 101
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 enters POST, then - HP ProDesk 480 G2 Micro | Maintenance and Service Guide ProDesk 400 G2 Microtowe - Page 102
power-up. Solution Check cable connections. See reconfiguration directions in the Solving Hardware Installation Problems on page 104 section. If the system still does not recognize the new device, the POST Delay in Advanced > Power-On Options. 92 Chapter 7 Troubleshooting without diagnostics - HP ProDesk 480 G2 Micro | Maintenance and Service Guide ProDesk 400 G2 Microtowe - Page 103
the power button for four or more seconds to turn off the power. To restart the computer, press the power button again. Solving hard drive problems 93 - HP ProDesk 480 G2 Micro | Maintenance and Service Guide ProDesk 400 G2 Microtowe - Page 104
Solving media card reader problems Media card will not work in media card is not inserted properly, is inserted in the wrong slot, or is not supported. Ensure that the card is inserted properly with the gold contact on the correct side. of the slot. 94 Chapter 7 Troubleshooting without diagnostics - HP ProDesk 480 G2 Micro | Maintenance and Service Guide ProDesk 400 G2 Microtowe - Page 105
(Power On Self-Test), press F9 to modify the boot menu. 3. Change the boot sequence in F10 Computer Setup. Solving display problems If you encounter display problems, see the documentation that came with the monitor and to the common causes and solutions listed in the following table. Blank screen - HP ProDesk 480 G2 Micro | Maintenance and Service Guide ProDesk 400 G2 Microtowe - Page 106
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. Blank screen and the power LED flashes Red six times, once with integrated graphics, replace the system board. 96 Chapter 7 Troubleshooting without diagnostics - HP ProDesk 480 G2 Micro | Maintenance and Service Guide ProDesk 400 G2 Microtowe - Page 107
may be too close to the monitor. Monitor needs to be degaussed. Degauss the monitor. Refer to the documentation that came with the monitor for instructions. Solving display problems 97 - HP ProDesk 480 G2 Micro | Maintenance and Service Guide ProDesk 400 G2 Microtowe - Page 108
than what the monitor supports. Solution Restart the computer and enter Safe Mode. Change the settings to a supported setting then restart the , and then under Advanced startup, click Restart now. 3. Select Troubleshoot, select Advanced options, select Startup Settings, and then click Restart. - HP ProDesk 480 G2 Micro | Maintenance and Service Guide ProDesk 400 G2 Microtowe - Page 109
monitor's on-screen display menu. 2. Manually synchronize the Clock and Clock Phase on download either SP32347 or SP32202: http://www.hp.com/support Graphics card is not seated properly or is . Solving audio problems If the computer has audio features and you encounter audio problems, see the - HP ProDesk 480 G2 Micro | Maintenance and Service Guide ProDesk 400 G2 Microtowe - Page 110
. The application is set to use a different audio device than speakers. Some graphics cards support audio over the DisplayPort connection (if applicable), so multiple audio devices may be listed in the computer. is not designed for headphone use. 100 Chapter 7 Troubleshooting without diagnostics - HP ProDesk 480 G2 Micro | Maintenance and Service Guide ProDesk 400 G2 Microtowe - Page 111
set to use a different audio device than speakers. Some graphics cards support audio over the DisplayPort connection (if applicable), so multiple audio devices output device than what is expected. Solving printer problems If you encounter printer problems, see the documentation that came with the - HP ProDesk 480 G2 Micro | Maintenance and Service Guide ProDesk 400 G2 Microtowe - Page 112
paper tray and refill it if it is empty. Solving keyboard and mouse problems If you encounter keyboard or mouse problems, see the documentation that came with the equipment and to the common causes farther apart using an external USB hub. 102 Chapter 7 Troubleshooting without diagnostics - HP ProDesk 480 G2 Micro | Maintenance and Service Guide ProDesk 400 G2 Microtowe - Page 113
computer using the keyboard then restart the computer. Remove the roller ball cover on the mouse and clean the internal components. Solving keyboard and mouse problems 103 - HP ProDesk 480 G2 Micro | Maintenance and Service Guide ProDesk 400 G2 Microtowe - Page 114
kit available from most computer stores. Solving Hardware Installation Problems You may need to reconfigure the computer when you add In Windows, use the Add Hardware Wizard and follow the instructions that appear on the screen. To open the Add Hardware Wizard Troubleshooting without diagnostics - HP ProDesk 480 G2 Micro | Maintenance and Service Guide ProDesk 400 G2 Microtowe - Page 115
computer. Beeps and flashing LEDs are codes for specific problems. 3. If you still cannot resolve the issue, contact Customer Support. Power LED flashes Red five times, once every Replace third-party memory with HP memory. 4. Replace the system board. Solving Hardware Installation Problems 105 - HP ProDesk 480 G2 Micro | Maintenance and Service Guide ProDesk 400 G2 Microtowe - Page 116
These guidelines do not discuss the process of debugging the network cabling. Table 7-2 Solving Network Problems Wake-on-LAN feature is not functioning. Cause S5 Maximum Power Saving feature is enabled. S5 . To enable Wake-on-LAN in Windows 8: 106 Chapter 7 Troubleshooting without diagnostics - HP ProDesk 480 G2 Micro | Maintenance and Service Guide ProDesk 400 G2 Microtowe - Page 117
Table 7-2 Solving Network Problems (continued) Wake-on-LAN feature is not functioning. Cause Solution 1. From the Start screen, type c, and then select Setup and enable network controller. 2. Enable the network controller in the operating system using Device Manager. Solving Network Problems 107 - HP ProDesk 480 G2 Micro | Maintenance and Service Guide ProDesk 400 G2 Microtowe - Page 118
The cable is attached to the incorrect connector. There is a problem with the cable or a device at the other end of the the resource settings for the board. Contact an authorized service provider. Diagnostics passes, but the computer does not 108 Chapter 7 Troubleshooting without diagnostics - HP ProDesk 480 G2 Micro | Maintenance and Service Guide ProDesk 400 G2 Microtowe - Page 119
end of the cable is securely attached to the correct device. Contact an authorized service provider. New network card will not boot. Cause New network card may be defective EEPROM. Cause Unprogrammed EEPROM. Solution Contact an authorized service provider. Solving Network Problems 109 - HP ProDesk 480 G2 Micro | Maintenance and Service Guide ProDesk 400 G2 Microtowe - Page 120
If you encounter memory problems, some common causes and 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 computer. 110 Chapter 7 Troubleshooting without diagnostics - HP ProDesk 480 G2 Micro | Maintenance and Service Guide ProDesk 400 G2 Microtowe - Page 121
third-party memory with HP memory. 4. Replace the system board. Solving processor problems If you encounter processor problems, common causes and solutions pause. Cause Solution The current processor does not support a feature previously enabled on this system. ▲ Reinstall the original - HP ProDesk 480 G2 Micro | Maintenance and Service Guide ProDesk 400 G2 Microtowe - Page 122
power-up. Solution Check cable connections. See reconfiguration directions in the Solving Hardware Installation Problems on page 104 section. If the system still does not recognize the new device, the documentation that came with the DVD drive. 112 Chapter 7 Troubleshooting without diagnostics - HP ProDesk 480 G2 Micro | Maintenance and Service Guide ProDesk 400 G2 Microtowe - Page 123
that you are using the correct media for the drive. 3. Try a different brand of media. Quality varies widely between manufacturers. Solving CD-ROM and DVD problems 113 - HP ProDesk 480 G2 Micro | Maintenance and Service Guide ProDesk 400 G2 Microtowe - Page 124
. Flash drive is defective. Try a different flash drive. Solving front panel component problems If you encounter problems with devices connected to the front panel, refer to the common causes and solutions one end is connected to a live outlet. 114 Chapter 7 Troubleshooting without diagnostics - HP ProDesk 480 G2 Micro | Maintenance and Service Guide ProDesk 400 G2 Microtowe - Page 125
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 (ISP) or refer to the common causes and solutions listed in the following table. Unable to connect - HP ProDesk 480 G2 Micro | Maintenance and Service Guide ProDesk 400 G2 Microtowe - Page 126
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 Repair to fix problems that might prevent Windows from starting correctly. 116 Chapter 7 Troubleshooting without diagnostics - HP ProDesk 480 G2 Micro | Maintenance and Service Guide ProDesk 400 G2 Microtowe - Page 127
HP logo screen displays. Cause Solution 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 restart the computer. Solving software problems 117 - HP ProDesk 480 G2 Micro | Maintenance and Service Guide ProDesk 400 G2 Microtowe - Page 128
-Test (POST) or computer restart, the probable source of the problem, and steps you can take to resolve the error condition. POST messages. If a POST error occurs, the screen will display the error message. To manually switch to the POST Messages Enabled mode during POST, press any key (except F10 - HP ProDesk 480 G2 Micro | Maintenance and Service Guide ProDesk 400 G2 Microtowe - Page 129
also be used). If the problem persists, replace the RTC battery. See the Removal and Replacement section for instructions on installing a new battery, installed properly. 3. If third-party memory has been added, test using HP-only memory. 4. Verify proper memory module type. RAM failure. 1. Ensure - HP ProDesk 480 G2 Micro | Maintenance and Service Guide ProDesk 400 G2 Microtowe - Page 130
ECC 1. memory error correction. 2. If additional memory was recently added, remove it to see if the problem remains. Check product documentation for memory support information. 301-Keyboard Error Keyboard failure. 1. Reconnect keyboard with computer turned off. 2. Check connector for bent - HP ProDesk 480 G2 Micro | Maintenance and Service Guide ProDesk 400 G2 Microtowe - Page 131
detached or unseated from motherboard. Reconnect or replace front USB harness. 921-Device in PCI Express slot failed to initialize There is an incompatibility/problem with this Try rebooting the system. If the error reoccurs, device and the system or PCI Express Link could the device may not work - HP ProDesk 480 G2 Micro | Maintenance and Service Guide ProDesk 400 G2 Microtowe - Page 132
System test under using F2 Diagnostics when booting the computer. Apply hard drive firmware patch if applicable. (Available at http://www.hp.com/support.) Back up contents and replace hard drive. 1796-SATA Cabling Error One or more SATA devices are improperly attached. For optimal performance - HP ProDesk 480 G2 Micro | Maintenance and Service Guide ProDesk 400 G2 Microtowe - Page 133
Control panel message Description Recommended action 3. If the memory configuration was recently changed, unplug the power cord, restore the original memory configuration, and reboot the computer. 4. If the error persists, replace the system board. 2204-Inventory error during MEBx execution - HP ProDesk 480 G2 Micro | Maintenance and Service Guide ProDesk 400 G2 Microtowe - Page 134
Control panel message 2230-General error during MEBx execution 2231-ME error during MEBx execution 2232-AMT error during MEBx execution 2233-HECI error during MEBx execution 2239-ME image lock failure 2240-ME image unlock failure Invalid Electronic Serial Number Network Server Mode Active and No - HP ProDesk 480 G2 Micro | Maintenance and Service Guide ProDesk 400 G2 Microtowe - Page 135
then replace heat sink/fan assembly. Contact an authorized reseller or service provider. Processor not installed (not 1. Check to see that the the connector on the system board. Check if a device is causing the problem by removing ALL attached devices (such as hard, diskette, or optical drives, - HP ProDesk 480 G2 Micro | Maintenance and Service Guide ProDesk 400 G2 Microtowe - Page 136
two second pause. Beeps stop after fifth iteration but LEDs continue until problem is solved. Red Power LED flashes seven 7 times, once every a time to isolate the faulty module. 3. Replace third-party memory with HP memory. 4. Replace the system board. Pre-video graphics error. For systems - HP ProDesk 480 G2 Micro | Maintenance and Service Guide ProDesk 400 G2 Microtowe - Page 137
board. The current processor does ▲ Reinstall the original processor. not support a feature previously enabled on this system. System unable to power If it is turned on, then replace the power button harness. If the problem persists, replace the system board. 5. If the 5V_aux light on the system - HP ProDesk 480 G2 Micro | Maintenance and Service Guide ProDesk 400 G2 Microtowe - Page 138
security password features, which can 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 - HP ProDesk 480 G2 Micro | Maintenance and Service Guide ProDesk 400 G2 Microtowe - Page 139
beginning these procedures, ensure that you are discharged of static electricity by briefly touching a grounded metal object. See the Safety & Regulatory Information guide for more information. 3. Remove the access panel. 4. Locate the header and jumper. NOTE: The password jumper is green so that it - HP ProDesk 480 G2 Micro | Maintenance and Service Guide ProDesk 400 G2 Microtowe - Page 140
optional equipment. Before beginning these procedures, ensure that you are discharged of static electricity by briefly touching a grounded metal object. See the Safety & Regulatory Information guide for more information. 130 Chapter 9 Password security and resetting CMOS - HP ProDesk 480 G2 Micro | Maintenance and Service Guide ProDesk 400 G2 Microtowe - Page 141
and rebooting advising you that configuration changes have occurred. Use Computer Setup to reset any special system setups along with the date and time. For instructions on Computer Setup, see Computer Setup (F10) Utility on page 75. Clearing and resetting the CMOS 131 - HP ProDesk 480 G2 Micro | Maintenance and Service Guide ProDesk 400 G2 Microtowe - Page 142
the call agent, who will either schedule support or provide replacement parts. How to access and run HP PC Hardware Diagnostics You can run the (to download the diagnostics tools to a USB drive, see the instructions in Downloading HP PC Hardware Diagnostics (UEFI) to a USB device on page 132 - HP ProDesk 480 G2 Micro | Maintenance and Service Guide ProDesk 400 G2 Microtowe - Page 143
Go. - or - Click Find Now to let HP automatically detect your product. 4. Select your computer model, and then select your operating system. 5. In the Diagnostic section, click HP UEFI Support Environment. 6. Click Download, and then select Run. Downloading HP PC Hardware Diagnostics (UEFI) to a USB - HP ProDesk 480 G2 Micro | Maintenance and Service Guide ProDesk 400 G2 Microtowe - Page 144
includes tools provided by HP and Windows to help you Support. From the Start screen, type help, and then select Help and Support recovery drive that can be used to troubleshoot a computer that is unable to start a recovery drive. Follow the on-screen instructions to continue. ● To create the Windows - HP ProDesk 480 G2 Micro | Maintenance and Service Guide ProDesk 400 G2 Microtowe - Page 145
and Support. From the Start screen, type help, and then select Help and Support. HP logo is displayed. The computer Startup Menu displays. 4. Press f11 to select the System Recovery option. 5. Choose your keyboard layout. 6. Select Troubleshoot. 7. Select Reset. 8. Follow the on-screen instructions - HP ProDesk 480 G2 Micro | Maintenance and Service Guide ProDesk 400 G2 Microtowe - Page 146
operating system media (purchased separately) To order a Windows operating system DVD, contact support. Go to http://www.hp.com/support, select your country or region, and follow the on-screen instructions. CAUTION: Using Windows operating system media completely erases the hard drive contents and - HP ProDesk 480 G2 Micro | Maintenance and Service Guide ProDesk 400 G2 Microtowe - Page 147
manually HP Recovery Manager (select models only) ● To create recovery discs, your computer must have a DVD writer. Use DVD+R or DVD-R discs (purchased separately). The discs you use will depend on the type of optical drive you are using. NOTE: DVD+R DL, DVD-R DL, or DVD±RW disc are not supported - HP ProDesk 480 G2 Micro | Maintenance and Service Guide ProDesk 400 G2 Microtowe - Page 148
recovery media using blank DVD(s), and then click Next. 4. Follow the on-screen instructions. Label each disc after you make it (for example, Recovery 1, Recovery 2), and set up the computer, you can create recovery discs using HP Recovery Disc Creator. The recovery discs allow you to reinstall your - HP ProDesk 480 G2 Micro | Maintenance and Service Guide ProDesk 400 G2 Microtowe - Page 149
Start > All Programs > Productivity and Tools > HP Recovery Disc Creator. 2. Select Driver disk. 3. Control, see Help and Support: Select Start > Help and Support. To create a backup using Follow the on-screen instructions to set up your backup. System Restore If you have a problem that might be due - HP ProDesk 480 G2 Micro | Maintenance and Service Guide ProDesk 400 G2 Microtowe - Page 150
create system recovery DVDs or USB flash drive, you can order a recovery disc set from support. Go to http://www.hp.com/support, select your country or region, and follow the on-screen instructions. NOTE: Always use the System Restore procedure before you use the System Recovery program. See System - HP ProDesk 480 G2 Micro | Maintenance and Service Guide ProDesk 400 G2 Microtowe - Page 151
the F11 key on your keyboard until the Windows is Loading 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 - HP ProDesk 480 G2 Micro | Maintenance and Service Guide ProDesk 400 G2 Microtowe - Page 152
computer and repair the operating system. To order a Windows 7 operating system DVD, contact support. Go to http://www.hp.com/support, select your country or region, and follow the on-screen instructions. CAUTION: Using a Windows 7 operating system DVD completely erases the hard drive contents and - HP ProDesk 480 G2 Micro | Maintenance and Service Guide ProDesk 400 G2 Microtowe - Page 153
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 7 143 - HP ProDesk 480 G2 Micro | Maintenance and Service Guide ProDesk 400 G2 Microtowe - Page 154
A 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 ProDesk 480 G2 Micro | Maintenance and Service Guide ProDesk 400 G2 Microtowe - Page 155
Country-specific requirements Additional requirements specific to a country are shown in parentheses and explained below. Country Accrediting Agency Country Accrediting Agency Australia (1) EANSW Italy (1) IMQ Austria (1) OVE Japan (3) METI Belgium (1) CEBC Norway (1) NEMKO Canada - HP ProDesk 480 G2 Micro | Maintenance and Service Guide ProDesk 400 G2 Microtowe - Page 156
desktop HP ProDesk 400 G2 MicroTower and Small Form Factor, HP ProDesk 480 G2 MicroTower, HP ProDesk 490/498 G2 MicroTower systems found in the Intel-based HP ProDesk 4xx G2 systems. 1. Download the latest BIOS (system ROM) from the HP website. 2. Follow the instructions to flash the BIOS that are - HP ProDesk 480 G2 Micro | Maintenance and Service Guide ProDesk 400 G2 Microtowe - Page 157
place the (blue/green) jumper back on header E49. Replace the computer hood and power cord. If Computrace is enabled on the computer, see the service provider for instruction to disable the feature. 147 - HP ProDesk 480 G2 Micro | Maintenance and Service Guide ProDesk 400 G2 Microtowe - Page 158
C Specifications Chassis Height Width Depth 13.98 in 6.50 in 14.10 in 355 mm 165 mm 358 mm Approximate Weight 14.33 lb 6.50 kg Temperature Range Operating Nonoperating 50° to 95°F -22° to 140°F 10° to 35°C -30° to 60°C NOTE: Operating temperature is derated 1.0° C per 300 m (1000 ft) to - HP ProDesk 480 G2 Micro | Maintenance and Service Guide ProDesk 400 G2 Microtowe - Page 159
Current Leakage with Energy Efficient Power Supply - HP ProDesk 480 G2 Micro | Maintenance and Service Guide ProDesk 400 G2 Microtowe - Page 160
24 SATA characteristics 25 hard drive problems 92 hard drive recovery Windows 134 Windows 7 140 Windows 8.1 134 hard drives 17 hardware installation problems 104 Help and Support Windows 7 136 helpful hints 86 HP PC Hardware Diagnostics (UEFI) downloading 132 HP Recovery Disc Creator, using 138 150 - HP ProDesk 480 G2 Micro | Maintenance and Service Guide ProDesk 400 G2 Microtowe - Page 161
removal and replacement 64 power switch removal and replacement 53 Power-On password 129, 130 power-on password 128 printer port, illustrated 18 printer problems 101 problems audio 99 CD-ROM or DVD 112 Computer Setup 87 F10 Setup 87 flash drive 114 front panel 114 general 87 hard drive 92 hardware - HP ProDesk 480 G2 Micro | Maintenance and Service Guide ProDesk 400 G2 Microtowe - Page 162
port, illustrated 18 service considerations 23 Setup password 129, 130 setup password 128 software problems 116 servicing computer 23 speaker 137 creating system restore points 137 hard drive recovery 140 Help and Support 136 steps for creating recovery discs 138 steps for creating recovery media
Maintenance and Service Guide
HP ProDesk 400 G2 Microtower
HP ProDesk 480 G2 Microtower
HP ProDesk 490 G2 Microtower