HP EliteDesk 880 G4 Maintenance and Service Guide
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- HP EliteDesk 880 G4 | Maintenance and Service Guide - Page 1
Maintenance and Service Guide HP EliteDesk 800 G4 TWR Business PC HP EliteDesk 880 G4 TWR Business PC - HP EliteDesk 880 G4 | Maintenance and Service Guide - Page 2
for HP products and services are set forth in the express warranty statements accompanying such products and services. Nothing herein should be access the latest user guide, go to http://www.hp.com/support, and follow the instructions to find your product. Then select User Guides. Software terms By - HP EliteDesk 880 G4 | Maintenance and Service Guide - 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 EliteDesk 880 G4 | Maintenance and Service Guide - Page 4
iv Safety warning notice - HP EliteDesk 880 G4 | Maintenance and Service Guide - Page 5
cleaning safety precautions 13 Cleaning the computer case ...13 Cleaning the keyboard ...13 Cleaning the monitor ...14 Cleaning the mouse ...14 Service considerations ...14 Power supply fan ...14 Tools and software requirements ...14 Screws ...14 Cables and connectors ...15 Hard Drives ...15 - HP EliteDesk 880 G4 | Maintenance and Service Guide - Page 6
4 Removal and replacement procedures ...18 Preparation for disassembly ...18 Access panel ...19 Front bezel ...20 Front bezel security ...21 Removing bezel blanks ...22 Optional front bezel dust filter ...23 System board connections ...24 Memory ...25 Populating DIMM sockets ...25 Removing and - HP EliteDesk 880 G4 | Maintenance and Service Guide - Page 7
81 Recovering the Configuration Settings ...81 6 Troubleshooting without diagnostics ...82 Safety and comfort ...82 Before you call for technical support ...82 Helpful hints ...83 Solving general problems ...84 Solving power problems ...88 Solving hard drive problems ...89 Solving media card reader - HP EliteDesk 880 G4 | Maintenance and Service Guide - Page 8
Downloading HP PC Hardware Diagnostics Windows 120 Downloading the latest HP PC Hardware Diagnostics Windows version 121 Downloading HP Hardware Diagnostics Windows by product name or number (select products only 121 Installing HP PC Hardware Diagnostics Windows 121 Using HP PC Hardware - HP EliteDesk 880 G4 | Maintenance and Service Guide - Page 9
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. NOTE: This computer model can be used in a tower orientation or - HP EliteDesk 880 G4 | Maintenance and Service Guide - Page 10
-out (headphone)/Audio-in (microphone) combo jack NOTE: The combo jack supports headphones, line output devices, microphones, line input devices, or CTIA style 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 - HP EliteDesk 880 G4 | Maintenance and Service Guide - Page 11
Rear panel components Rear panel components 1 Audio-out jack for powered audio devices 6 2 DisplayPort monitor connectors (2) 7 3 Optional port (DisplayPort 1.2, HDMI, VGA or 8 USB-C) (USB-C option has alt mode DisplayPort™ 1.2 or 15W output) 4 USB 2.0 ports with wake from S4/S5 (2) 9 - HP EliteDesk 880 G4 | Maintenance and Service Guide - Page 12
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. 4 Chapter 1 Product features - HP EliteDesk 880 G4 | Maintenance and Service Guide - Page 13
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 Item Description (1) Access panel (2) Power supply 500 - HP EliteDesk 880 G4 | Maintenance and Service Guide - Page 14
5.0 Combo Adapter (non-vPro) Realtek RTL8821CE 802.11 ac 1x1 WiFi + BT 4.2 Combo Adapter (MU-MIMO supported) Realtek RTL8822BE 802.11 ac 2x2 WiFi + BT 4.2 Combo Adapter (MU-MIMO supported) SATA data cable, 17.7 inch, 2 straight ends SATA data cable, 6 inch, 1 straight end, 1 angled end (not - HP EliteDesk 880 G4 | Maintenance and Service Guide - Page 15
Item Description Intel Core i3-8011 processor Intel Pentium G5600 processor Intel Pentium G5500 processor Intel Pentium G5400 processor Intel Celeron G4900 processor (18) Memory module (UDIMM, non-ECC, 1.2v, PC4-2666) 16-GB 8-GB (19) RTC battery (20) System board (includes replacement - HP EliteDesk 880 G4 | Maintenance and Service Guide - Page 16
Item (26) Description 512-GB, FIPS-140-2 512-GB, OPAL 2, self-encrypting drive (SED) 512-GB 256-GB, FIPS-140-2 256-GB, OPAL 2, self-encrypting drive (SED) 256-GB Optical drives, 9.5 mm DVD Blu-ray-writer DVD±RW drive DVD-ROM drive Miscellaneous parts Description HP USB-Type C to USB Type-A Hub ( - HP EliteDesk 880 G4 | Maintenance and Service Guide - Page 17
Description USB, grey Power cord Miscellaneous parts 9 - HP EliteDesk 880 G4 | Maintenance and Service Guide - Page 18
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 EliteDesk 880 G4 | Maintenance and Service Guide - Page 19
when fixtures must 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. Electrostatic discharge information 11 - HP EliteDesk 880 G4 | Maintenance and Service Guide - Page 20
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 EliteDesk 880 G4 | Maintenance and Service Guide - Page 21
● 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 EliteDesk 880 G4 | Maintenance and Service Guide - Page 22
ball with a clean, dry cloth before reassembly. ● To clean the mouse body, follow the procedures in Cleaning the computer case on page 13. 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 EliteDesk 880 G4 | Maintenance and Service Guide - Page 23
or snagged by parts being removed or replaced. CAUTION: When servicing this computer, ensure that cables are placed in their proper location replacement chapter for the chassis you are working on in this guide for instructions on the replacement procedures. WARNING! This computer contains a lithium - HP EliteDesk 880 G4 | Maintenance and Service Guide - Page 24
SATA hard drives Serial ATA Hard Drive Characteristics Number of pins/conductors in data cable Number of pins in power cable Maximum data cable length Data interface voltage differential Drive voltages Jumpers for configuring drive Data transfer rate 7/7 15 39.37 in (100 cm) 400-700 mV 3.3 V, 5 V, - HP EliteDesk 880 G4 | Maintenance and Service Guide - Page 25
Cable management Always follow good cable management practices when working inside the 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 like these are not designed to take excessive - HP EliteDesk 880 G4 | Maintenance and Service Guide - Page 26
and precautions described in this chapter is essential for proper service. After completing all necessary removal and replacement procedures, run all components operate properly. NOTE: Not all features listed in this guide are available on all computers. Preparation for disassembly See Routine care, - HP EliteDesk 880 G4 | Maintenance and Service Guide - Page 27
Access panel To access internal components, you must remove the access panel: 1. Prepare the computer for disassembly (Preparation for disassembly on page 18) 2. Slide the access panel release lever to the left (1) so that it locks into place. Then slide the access panel back (2) and lift it off the - HP EliteDesk 880 G4 | Maintenance and Service Guide - Page 28
Front bezel 1. Prepare the computer for disassembly (Preparation for disassembly on page 18) 2. Remove the access panel (Access panel on page 19) 3. Lift up the three tabs on the top of the bezel (1), and then rotate the bezel off the chassis (2). To replace the front bezel, reverse the disassembly - HP EliteDesk 880 G4 | Maintenance and Service Guide - Page 29
Front bezel security The front bezel can be secured in place by installing a screw through the front of the chassis into the front bezel. 1. Prepare the computer for disassembly (Preparation for disassembly on page 18) 2. Remove the access panel (Access panel on page 19) 3. Remove the silver 6-32 - HP EliteDesk 880 G4 | Maintenance and Service Guide - Page 30
Removing bezel blanks On some models, there may be bezel blanks covering the optical drive bays. You must remove the bezel blank before installing an optical drive. To remove a bezel blank: 1. Prepare the computer for disassembly (Preparation for disassembly on page 18) 2. Remove the access panel ( - HP EliteDesk 880 G4 | Maintenance and Service Guide - Page 31
Optional front bezel dust filter Some models are equipped with an optional front bezel dust filter. You must periodically clean the dust filter so that the dust collected on the filter does not impede air flow through the computer. NOTE: The optional front bezel dust filter is available from HP. To - HP EliteDesk 880 G4 | Maintenance and Service Guide - Page 32
System board connections Refer to the following illustration and table to identify the system board connectors for your model. Item System board connector System board label 1 PCI Express x16 downshifted to X4PCIEXP a x4 2 PCI Express x1 X1PCIEXP2 3 PCI Express x1 X1PCIEXP1 4 PCI - HP EliteDesk 880 G4 | Maintenance and Service Guide - Page 33
inline memory modules (DIMMs). The memory sockets on the system board are populated with at least one preinstalled memory module. To achieve the maximum memory support, you can populate the system board with up to 64 GB of memory configured in a high-performing dual-channel mode. For proper system - HP EliteDesk 880 G4 | Maintenance and Service Guide - Page 34
DIMM and one 1 GB DIMM, and Channel B should be populated with the other two 1 GB DIMMs. With this configuration, 4 GB will run as dual-channel and 1 GB will run as single-channel. ● In any mode, the maximum operational speed is determined by the slowest DIMM in the system. Removing and installing - HP EliteDesk 880 G4 | Maintenance and Service Guide - Page 35
5. Push the module down into the socket, ensuring that the module is fully inserted and properly seated. Make sure the latches are in the closed position (3). 6. Replace the computer access panel. 7. Reconnect the power cord and turn on the computer. 8. Lock any security devices that were disengaged - HP EliteDesk 880 G4 | Maintenance and Service Guide - Page 36
Drive cage You must rotate the drive cage to the upright position to access components underneath it. To rotate the drive cage: 1. Prepare the computer for disassembly (Preparation for disassembly on page 18) 2. Remove the access panel (Access panel on page 19) 3. Remove the front bezel (Front bezel - HP EliteDesk 880 G4 | Maintenance and Service Guide - Page 37
Drives IMPORTANT: 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 a drive while the computer is on or in standby mode. Before handling a - HP EliteDesk 880 G4 | Maintenance and Service Guide - Page 38
Removing and installing drives When installing drives, follow these guidelines: ● The primary Serial ATA (SATA) hard drive must be connected to the dark-blue primary SATA connector on the system board labeled SATA0. ● Connect secondary hard drives and optical drives to any of the light-blue SATA - HP EliteDesk 880 G4 | Maintenance and Service Guide - Page 39
5. Push the green drivelock mechanism towards the optical drive (1), and then slide the drive from the drive bay (2). Drives 31 - HP EliteDesk 880 G4 | Maintenance and Service Guide - Page 40
Installing a 5.25-inch drive 1. Prepare the computer for disassembly (Preparation for disassembly on page 18) 2. Remove the access panel (Access panel on page 19) 3. Remove the front bezel. If you are installing a drive in a bay covered by a bezel blank, remove the bezel blank. See Removing bezel - HP EliteDesk 880 G4 | Maintenance and Service Guide - Page 41
6. Slide the drive into the drive bay, making sure to align the mounting screws with the mounting slots, until the drive snaps into place. 7. Connect the power cable (1) and data cable (2) to the rear of the optical drive. 8. Connect the opposite end of the data cable to one of the light-blue SATA - HP EliteDesk 880 G4 | Maintenance and Service Guide - Page 42
3. Disconnect the power cable (1) and data cable (2) from the rear of the drive. IMPORTANT: When removing the cables, pull the tab or connector instead of the cable itself to avoid damaging the cable. 4. Push the green release latch on the right rear side of the drive toward the center of the drive - HP EliteDesk 880 G4 | Maintenance and Service Guide - Page 43
4. Align the small pin on the release latch with the small hole on the side of the drive and press the latch firmly onto the drive. 5. Slide the optical drive through the front bezel all the way into the bay (1) so that the latch on the rear of the drive locks into place (2). Drives 35 - HP EliteDesk 880 G4 | Maintenance and Service Guide - Page 44
6. Connect the power cable (1) and data cable (2) to the rear of the optical drive. 7. Connect the opposite end of the data cable to one of the light-blue SATA connectors on the system board. NOTE: Refer to System board connections on page 24 for an illustration of the system board drive connectors. - HP EliteDesk 880 G4 | Maintenance and Service Guide - Page 45
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 18) 2. Remove the access panel (Access - HP EliteDesk 880 G4 | Maintenance and Service Guide - Page 46
7. Remove the four mounting screws (two on each side) from the old drive. You will need these screws if you install a new drive. Installing a 3.5-inch hard drive 1. Prepare the computer for disassembly (Preparation for disassembly on page 18) 2. Remove the access panel (Access panel on page 19) 3. - HP EliteDesk 880 G4 | Maintenance and Service Guide - Page 47
● 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 2.5-inch drive into the 3.5-inch adapter bracket. Drives 39 - HP EliteDesk 880 G4 | Maintenance and Service Guide - Page 48
- Secure the drive to the bay adapter bracket by installing four black M3 adapter bracket screws through the underside of the bracket and into the drive. - Install four 6-32 silver-and-blue mounting screws in the adapter bracket (two on each side of the bracket). 5. Rotate the drive cage up (see - HP EliteDesk 880 G4 | Maintenance and Service Guide - Page 49
board connector. NOTE: You must connect the primary hard drive data 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 light-blue SATA connectors. 10. Reassemble the computer. Drives - HP EliteDesk 880 G4 | Maintenance and Service Guide - Page 50
Removing a 2.5-inch hard drive 1. Prepare the computer for disassembly (Preparation for disassembly on page 18) 2. Remove the access panel (Access panel on page 19) 3. Disconnect the power cable (1) and data cable (2) from the rear of the hard drive. 4. Pull the release lever at the rear of the - HP EliteDesk 880 G4 | Maintenance and Service Guide - Page 51
Installing a 2.5-inch hard drive 1. Prepare the computer for disassembly (Preparation for disassembly on page 18) 2. Remove the access panel (Access panel on page 19) 3. Install four black-and-blue M3 mounting screws (two on each side of the drive). NOTE: M3 metric mounting screws can be purchased - HP EliteDesk 880 G4 | Maintenance and Service Guide - Page 52
the light-blue SATA connectors on the system board. 6. Reassemble the computer. Removing and installing an M.2 SSD storage card NOTE: The computer supports 2230 and 2280 M.2 SSD cards. 1. Prepare the computer for disassembly (Preparation for disassembly on page 18) 2. Remove the access panel (Access - HP EliteDesk 880 G4 | Maintenance and Service Guide - Page 53
6. To remove an M.2 SSD card, remove the screw that secures the card (1), lift the end of the card up (2), and then slide the card out of the system board connector (3). 7. To install an M.2 SSD card, slide the pins on the card into the system board connector while holding the card at approximately - HP EliteDesk 880 G4 | Maintenance and Service Guide - Page 54
1. Prepare the computer for disassembly (Preparation for disassembly on page 18) 2. Remove the access panel (Access panel on page 19) 3. Remove the front bezel (Front bezel on page 20). 4. Disconnect the power and data cables from the rear of the drives in the drive cage. 5. Rotate the drive cage up - HP EliteDesk 880 G4 | Maintenance and Service Guide - Page 55
NOTE: You can install a PCI Express x1, x4, x8, or x16 expansion card in the PCI Express x16 socket. For dual graphics card configurations, the first (primary) card must be installed in the PCI Express x16 socket that is NOT downshifted to a x4. To remove, replace, or add an expansion card: 1. - HP EliteDesk 880 G4 | Maintenance and Service Guide - Page 56
● The other two slot covers must be removed with a screwdriver. Insert a flat-bladed screwdriver into the slots on the rear of slot cover (1) and rock the slot cover back and forth (2) to break it free from the chassis. 48 Chapter 4 Removal and replacement procedures - HP EliteDesk 880 G4 | Maintenance and Service Guide - Page 57
b. If you are removing a PCI Express x1 card, hold the card at each end and carefully rock it back and forth until the connectors pull free from the socket. Lift the card straight up (1) then away from the inside of the chassis (2) to remove it. Be sure not to scrape the card against other - HP EliteDesk 880 G4 | Maintenance and Service Guide - Page 58
IMPORTANT: After removing an expansion card, you must replace it with a new card or expansion slot cover for proper cooling of internal components during operation. 8. To install a half-length expansion card, hold the card just above the expansion socket on the system board then move the card toward - HP EliteDesk 880 G4 | Maintenance and Service Guide - Page 59
c. To install a full-length 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 - HP EliteDesk 880 G4 | Maintenance and Service Guide - Page 60
Optional rear port The optional rear port is attached to the rear of the chassis with two screws. 1. Prepare the computer for disassembly (Preparation for disassembly on page 18). 2. Remove the computer access panel (Access panel on page 19). 3. Disconnect the cable from the system board connector - HP EliteDesk 880 G4 | Maintenance and Service Guide - Page 61
Rear fan The rear fan is secured to the rear of the chassis with three Phillips screws. 1. Prepare the computer for disassembly (Preparation for disassembly on page 18). 2. Remove the access panel (Access panel on page 19). 3. Disconnect the fan control cable (1) from the system board connector - HP EliteDesk 880 G4 | Maintenance and Service Guide - Page 62
Hood lock (solenoid) The hood lock is secured to the rear of the chassis with two screws. 1. Prepare the computer for disassembly (Preparation for disassembly on page 18). 2. Remove the access panel (Access panel on page 19). 3. Disconnect the cable (1) from the system board connector labeled HLCK. - HP EliteDesk 880 G4 | Maintenance and Service Guide - Page 63
Hood sensor The hood sensor is secured in a slot in the rear of the chassis. 1. Prepare the computer for disassembly (Preparation for disassembly on page 18). 2. Remove the access panel (Access panel on page 19). 3. Disconnect the cable (1) from the system board connector labeled HSENSE. 4. Using a - HP EliteDesk 880 G4 | Maintenance and Service Guide - Page 64
Option board For a list of available option boards, see Computer major components on page 5. An option board can be installed near the back of the system board that provides an additional connector on the rear I/O panel. NOTE: The image in this section shows a serial port expansion board. To remove - HP EliteDesk 880 G4 | Maintenance and Service Guide - Page 65
Fan sink Fan sinks are available for models that use up to a 65 W processor and models that use a 95 W processor. CAUTION: The bond between the fan sink and the processor may be very tight. If the computer will power on, before removing the fan sink, turn on the computer until it warms the fan sink. - HP EliteDesk 880 G4 | Maintenance and Service Guide - Page 66
5. Lift the heat sink from atop the processor (3). Up to 65 W processor models 95 W processor models 58 Chapter 4 Removal and replacement procedures - HP EliteDesk 880 G4 | Maintenance and Service Guide - Page 67
6. Each time the heat sink is removed, thoroughly clean the thermal grease from the bottom of the heat sink (1) and apply fresh thermal grease to the top of the processor (2). Replacement thermal material is included with the fan sink and system board spare part kits. CAUTION: Fan sink retaining - HP EliteDesk 880 G4 | Maintenance and Service Guide - Page 68
version of the BIOS is being used on the computer. The latest system BIOS can be found on the Web at: http://www.hp.com/support. 60 Chapter 4 Removal and replacement procedures - HP EliteDesk 880 G4 | Maintenance and Service Guide - Page 69
WLAN module The WLAN module installs into a slot on the system board. For a list of available WLAN modules, see Computer major components on page 5. To remove the WLAN module: 1. Prepare the computer for disassembly (Preparation for disassembly on page 18) 2. Remove the access panel (Access panel on - HP EliteDesk 880 G4 | Maintenance and Service Guide - Page 70
Speaker The speaker is attached to the front of the chassis. Remove it from the inside of the chassis. 1. Prepare the computer for disassembly (Preparation for disassembly on page 18). 2. Remove the access panel (Access panel on page 19). 3. Remove the front bezel (Front bezel on page 20). 4. - HP EliteDesk 880 G4 | Maintenance and Service Guide - Page 71
Card reader The card reader is secured to the front of the chassis under the front bezel. 1. Prepare the computer for disassembly (Preparation for disassembly on page 18). 2. Remove the access panel (Access panel on page 19). 3. Remove the front bezel (Front bezel on page 20). 4. Disconnect the - HP EliteDesk 880 G4 | Maintenance and Service Guide - Page 72
Power supply For a list of available power supplies, see Computer major components on page 5. The power supply is secured to the rear of the chassis with three screws. Three cables connect the power supply to the system board. 1. Prepare the computer for disassembly (Preparation for disassembly on - HP EliteDesk 880 G4 | Maintenance and Service Guide - Page 73
System board 1. Prepare the computer for disassembly (Preparation for disassembly on page 18). 2. Remove the access panel (Access panel on page 19). 3. Remove the front bezel (Front bezel on page 20). 4. Disconnect the power and data cables from the rear of the drives in the drive cage. 5. Rotate - HP EliteDesk 880 G4 | Maintenance and Service Guide - Page 74
7. Disconnect the following cables from the system board: IMPORTANT: Connected cables may vary depending on system configuration. (1) Speaker connector (SPKR) (2) White power supply connector (PWR) (3) Black drive power connector (SATAPWR0) (4) Hard drive connector (SATA0) (5) White power supply - HP EliteDesk 880 G4 | Maintenance and Service Guide - Page 75
9. Lift and slide the system board toward the front of the computer to disengage the rear connectors from the chassis (1). 10. Lift the rear of the board (2), and then pull board toward the rear and up and out of the computer (3). When reinstalling the system board, first insert the I/O panel back - HP EliteDesk 880 G4 | Maintenance and Service Guide - Page 76
Sys Bd Label CPUFAN Color White Component Processor fan DIMM4 DIMM3 DIMM2 DIMM1 BAT SPKR PWR SATAPWR0 WIRELESS SD RDR SSD2 White Black White Black Black White White Black Black Black Black Memory module Memory module Memory module Memory module RTC battery Speaker 6-pin main power Drives WLAN - HP EliteDesk 880 G4 | Maintenance and Service Guide - Page 77
information on a USB device and restoring it on one or more computers. ● Enable or disable DriveLock security or securely erase a hard drive (when supported by drive). Using Computer Setup (F10) Utilities Computer Setup can be accessed only by turning the computer on or restarting the system. To - HP EliteDesk 880 G4 | Maintenance and Service Guide - Page 78
4. Use the arrow (left and right) keys to select the appropriate heading. Use the arrow (up and down) keys to select the option you want, then press Enter. To return to the Computer Setup Utilities menu, press Esc. 5. To apply and save changes, select Main > Save Changes and Exit. ● If you have made - HP EliteDesk 880 G4 | Maintenance and Service Guide - Page 79
Computer Setup-Main NOTE: Support for specific Computer Setup options may vary depending on version ● Reference code version ● Super I/O Firmware version ● USB Type-C controller(s) firmware version ● Service Born on date ● Serial number ● SKU number ● UUID (Universally Unique Identifier) ● Asset - HP EliteDesk 880 G4 | Maintenance and Service Guide - Page 80
Table 5-1 Computer Setup-Main (continued) Option Description ● Hardware subsystem tests ● Component tests ● Show test logs ● Language selection Update System BIOS Lets you update the system BIOS from www.hp.com or another network server, from a removable USB drive, or from a file located on the - HP EliteDesk 880 G4 | Maintenance and Service Guide - Page 81
Save Changes and Exit Saves changes to current system configuration, exits Computer Setup, and reboots. Computer Setup-Security NOTE: Support for specific Computer Setup options may vary depending on the hardware configuration. Table 5-2 Computer Setup-Security Option Description Create BIOS - HP EliteDesk 880 G4 | Maintenance and Service Guide - Page 82
(for example, Windows' Bitlocker encryption service) will lose functionality that depends on saved data. BIOS Sure Start ● Verify Boot Block on every boot. Default is disabled. ● BIOS Data Recovery Policy. Default is Automatic. IMPORTANT: Only select Manual in situations in which forensic analysis - HP EliteDesk 880 G4 | Maintenance and Service Guide - Page 83
Save/Restore MBR of System Hard Drive NOTE: Windows 10 systems are generally not formatted to include an MBR. Instead they use GUID Partition Table (GPT) format, which better supports large hard drives. Enabling this feature will save the Master Boot Record (MBR) of the system hard drive. If the MBR - HP EliteDesk 880 G4 | Maintenance and Service Guide - Page 84
. NOTE: This selection will only appear when at least one drive that supports the DriveLock feature is attached to the system. CAUTION: Be aware that Command Allows authorized personnel to reset security settings during a service event. Default is enabled. Restore Security Settings to Default - HP EliteDesk 880 G4 | Maintenance and Service Guide - Page 85
Disabling this setting alters the Secure Boot key list to further restrict the allowed software components. Set this option to 'disable' to support Device Guard. System Options Turbo boost Intel Turbo Boost Technology (TBT) automatically allows processor cores to run faster than the base operating - HP EliteDesk 880 G4 | Maintenance and Service Guide - Page 86
using the shared hardware resources of a single processor core. Default is enabled. Multi-processor Use this option to disable multi-processor support under the operating system. Default is enabled. Virtualization Technology (VTx) (Intel only) Controls the virtualization features of the processor - HP EliteDesk 880 G4 | Maintenance and Service Guide - Page 87
Table 5-3 Computer Setup-Advanced (for advanced users) (continued) Option Heading Internal Speakers (does not affect external speakers) Clear to disable the chassis speaker or speakers. This function is applicable to normal audio playback in the operating system and does not affect the error or - HP EliteDesk 880 G4 | Maintenance and Service Guide - Page 88
). Default is enabled. Allows you to discover, repair, and protect networked computing devices. USB Key Provisioning Support (enable/disable) Default is disabled. USB Redirection Support (enable/disable). Default is enabled. USB redirection allows USB devices plugged into a client computer to be - HP EliteDesk 880 G4 | Maintenance and Service Guide - Page 89
Timer (min.) - (5/10/15/20/25). Default is 5 min. CIRA Timeout (min.) (1/2/3/4/Never) CIRA is Customer Initiated Remote Assistance, an Intel service to help users employing Active Management Technology (AMT). Computer Setup-UEFI Drivers Lets you restart the computer into the 3rd Party Option ROM - HP EliteDesk 880 G4 | Maintenance and Service Guide - Page 90
on choosing a workspace and creating a safe and comfortable work environment. For more information, refer to the Safety & Regulatory Information guide. Before you call for technical support If you are having problems with the computer, try the appropriate solutions below to try to isolate the exact - HP EliteDesk 880 G4 | Maintenance and Service Guide - Page 91
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 100 for instructions. ● Be sure that all the needed device drivers - HP EliteDesk 880 G4 | Maintenance and Service Guide - Page 92
check to be sure that it is supported on the system. ● If the problems You may be able to easily resolve the general problems described in this section. If a problem displayed. - or - Follow the Windows instructions for rebooting the computer into the Computer Setup Troubleshooting without diagnostics - HP EliteDesk 880 G4 | Maintenance and Service Guide - Page 93
date and time). If the problem persists, replace the RTC battery. See the Removal and Replacement section for instructions on installing a new battery, In case of forgotten password, power loss, or computer malfunction, you must manually disable the Smart Cover lock . A key to unlock the Smart Cover - HP EliteDesk 880 G4 | Maintenance and Service Guide - Page 94
System unable to power on. Press and hold the power button for less than 4 seconds. If the hard drive LED turns white, then: 86 Chapter 6 Troubleshooting without diagnostics - HP EliteDesk 880 G4 | Maintenance and Service Guide - Page 95
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. Solving general problems 87 - HP EliteDesk 880 G4 | Maintenance and Service Guide - Page 96
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 power supply. 5. Replace the system board. 88 Chapter 6 Troubleshooting without diagnostics - HP EliteDesk 880 G4 | Maintenance and Service Guide - Page 97
hidden in Computer Setup. Drive responds slowly immediately after power-up. Solution Check cable connections. See reconfiguration directions in the Solving Hardware Installation Problems on page 100 section. If the system still does not recognize the new device, check to see if the device is listed - HP EliteDesk 880 G4 | Maintenance and Service Guide - Page 98
off the power. To restart the computer, press the power button again. Solving media card reader problems Media card will not work in a digital camera after formatting it in Windows. Cause Solution By the media card in a computer with Windows. 90 Chapter 6 Troubleshooting without diagnostics - HP EliteDesk 880 G4 | Maintenance and Service Guide - Page 99
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 the gold contact on the correct side. The green LED will the card when the green LED is flashing Solving media card reader problems 91 - HP EliteDesk 880 G4 | Maintenance and Service Guide - Page 100
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 Personalization, select Adjust screen resolution. 92 Chapter 6 Troubleshooting without diagnostics - HP EliteDesk 880 G4 | Maintenance and Service Guide - Page 101
energy saver features. Cause Solution Monitor without energy saver capabilities is being used with energy saver features enabled. Disable monitor energy saver feature. Solving display problems 93 - HP EliteDesk 880 G4 | Maintenance and Service Guide - Page 102
to the monitor. Degauss the monitor. Refer to the documentation that came with the monitor for instructions. Image is not centered. Cause Position may need adjustment. Solution Press the monitor's Menu power is off while connecting the video cable. 94 Chapter 6 Troubleshooting without diagnostics - HP EliteDesk 880 G4 | Maintenance and Service Guide - Page 103
monitor's on-screen display menu. 2. Manually synchronize the Clock and Clock Phase on . Cause The font you are using does not support that particular symbol. Solution Use the Character Map . Solving audio problems If the computer has audio features and you encounter audio problems, see the - HP EliteDesk 880 G4 | Maintenance and Service Guide - Page 104
. 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 default output device than what is expected. 96 Chapter 6 Troubleshooting without diagnostics - HP EliteDesk 880 G4 | Maintenance and Service Guide - Page 105
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 EliteDesk 880 G4 | Maintenance and Service Guide - Page 106
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. 98 Chapter 6 Troubleshooting without diagnostics - HP EliteDesk 880 G4 | Maintenance and Service Guide - Page 107
the mouse and clean with the ball are dirty. the internal components with a mouse cleaning kit available from most computer stores. Solving keyboard and mouse problems 99 - HP EliteDesk 880 G4 | Maintenance and Service Guide - Page 108
installation of the new hardware. In Windows, use the Add Hardware Wizard and follow the instructions that appear on the screen. To open the Add Hardware Wizard, open a Command Prompt and . Beeps and flashing LEDs are codes for specific problems. 100 Chapter 6 Troubleshooting without diagnostics - HP EliteDesk 880 G4 | Maintenance and Service Guide - Page 109
Solution 3. If you still cannot resolve the issue, contact Customer Support. Power LED flashes Red three times and then white two memory. 4. Replace the system board. Solving Network Problems Some common causes and solutions for network problems are listed in the following table. These guidelines - HP EliteDesk 880 G4 | Maintenance and Service Guide - Page 110
. 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 other end are operating correctly. Contact an authorized service provider. Diagnostics passes, but the computer does not communicate Troubleshooting without diagnostics - HP EliteDesk 880 G4 | Maintenance and Service Guide - Page 111
EEPROM. Solution Contact an authorized service provider. Solving memory problems If you encounter memory problems, some common causes and solutions , 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 - HP EliteDesk 880 G4 | Maintenance and Service Guide - Page 112
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. 104 Chapter 6 Troubleshooting without diagnostics - HP EliteDesk 880 G4 | Maintenance and Service Guide - Page 113
hidden in Computer Setup. Drive responds slowly immediately after power-up. Solution Check cable connections. See reconfiguration directions in the Solving Hardware Installation Problems on page 100 section. If the system still does not recognize the new device, check to see if the device is listed - HP EliteDesk 880 G4 | Maintenance and Service Guide - Page 114
when recording. 2. Verify that you are using the correct media for the drive. 3. Try a different brand of media. Quality varies widely between manufacturers. 106 Chapter 6 Troubleshooting without diagnostics - HP EliteDesk 880 G4 | Maintenance and Service Guide - Page 115
If you encounter USB flash drive problems, common causes and solutions are listed in the following table. USB flash drive is not seen as a drive letter in drive only after the operating system boots. Flash drive is defective. Try a different flash drive. Solving USB flash drive problems 107 - HP EliteDesk 880 G4 | Maintenance and Service Guide - Page 116
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 select Control Panel from the list of applications. 108 Chapter 6 Troubleshooting without diagnostics - HP EliteDesk 880 G4 | Maintenance and Service Guide - Page 117
● If you have installed an operating system other 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 - HP EliteDesk 880 G4 | Maintenance and Service Guide - Page 118
-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 EliteDesk 880 G4 | Maintenance and Service Guide - Page 119
time clock) battery may need to be replaced. Processor is not supported by the BIOS. Memory error during POST execution of the Management setup failure. Recommended action problem persists, replace the RTC battery. See the Removal and Replacement section for instructions on installing a new battery - HP EliteDesk 880 G4 | Maintenance and Service Guide - Page 120
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. DIMM1 is not installed. Make sure there is a memory module in the DIMM1 socket and that it is properly seated. A change - HP EliteDesk 880 G4 | Maintenance and Service Guide - Page 121
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. Boot device not found. Insert boot device or load operating system. Hard disk 1 error. 1. Check and - HP EliteDesk 880 G4 | Maintenance and Service Guide - Page 122
41B-Device in PCI Express Slot Failed To Initialize There is an incompatibility or problem with a PCIe device and the system or PCIe link could not be installed in the system that is not supported and has been disabled. Replace with a supported module. 800-Keyboard Error Keyboard failure - HP EliteDesk 880 G4 | Maintenance and Service Guide - Page 123
Control panel message 904-SATA Cabling Error 90B-Fan Failure 90D-System Temperature 90E-Power Supply Fan Not detected 910-Filter Warning Description Recommended action One or more SATA devices are improperly attached. For optimal performance, the SATA 0 and SATA 1 ports should be used for hard - HP EliteDesk 880 G4 | Maintenance and Service Guide - Page 124
initialization. 3.4 The system board displays a power failure (crowbar).* 3.5 The processor is not detected.* 3.6 The processor does not support an enabled feature. Thermal 4.2 A processor over temperature condition has been detected.* 4.3 An ambient temperature over temperature condition - HP EliteDesk 880 G4 | Maintenance and Service Guide - Page 125
or forget the password when in stringent security mode, the system can only be reset by System Management Command. This is a way for HP Service and Support to provide a secure method to access the BIOS and command a password reset for a specifically identified unit under the direction of the owner - HP EliteDesk 880 G4 | Maintenance and Service Guide - Page 126
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 EliteDesk 880 G4 | Maintenance and Service Guide - Page 127
by briefly touching a grounded metal object. See the Safety & Regulatory Information guide for more information. 3. Remove the access panel. CAUTION: Pushing the system setups along with the date and time. For instructions on Computer Setup, see Computer Setup (F10) Utility on page 69. Clearing - HP EliteDesk 880 G4 | Maintenance and Service Guide - Page 128
Failure ID code is generated. For assistance in correcting the problem, contact support, and then provide the Failure ID code. Downloading HP PC Hardware Diagnostics Windows ● The HP PC Hardware Diagnostics Windows download instructions are provided in English only. ● You must use a Windows computer - HP EliteDesk 880 G4 | Maintenance and Service Guide - Page 129
, double- click the .exe file, and then follow the on-screen instructions. Using HP PC Hardware Diagnostics UEFI HP PC Hardware Diagnostics UEFI (Unified digit Failure ID code is generated. For assistance in correcting the problem, contact support, and provide the Failure ID code. NOTE: To start - HP EliteDesk 880 G4 | Maintenance and Service Guide - Page 130
The hard drive is damaged. NOTE: The HP PC Hardware Diagnostics UEFI download instructions are provided in English only, and you must use a Windows computer to download and create the HP UEFI support environment because only .exe files are provided. Downloading the latest HP PC Hardware Diagnostics - HP EliteDesk 880 G4 | Maintenance and Service Guide - Page 131
name or number, follow these steps: 1. Go to http://www.hp.com/support. 2. Select Get software and drivers, enter the product name or number, select operating system. 3. In the Diagnostics section, follow the on-screen instructions to select and download the Remote UEFI version for the product. - HP EliteDesk 880 G4 | Maintenance and Service Guide - Page 132
3. Make your customization selections. 4. Select Main, and then Save Changes and Exit to save your settings. Your changes take effect when the computer restarts. 124 Chapter 9 Using HP PC Hardware Diagnostics - HP EliteDesk 880 G4 | Maintenance and Service Guide - Page 133
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 to replace the battery. Type 1 a. Lift the battery out of its holder. 125 - HP EliteDesk 880 G4 | Maintenance and Service Guide - Page 134
b. Slide the replacement battery into position, positive side up. The battery holder automatically secures the battery in the proper position. Type 2 a. To release the battery from its holder, squeeze the metal clamp that extends above one edge of the battery (1). When the battery pops up, lift it - HP EliteDesk 880 G4 | Maintenance and Service Guide - Page 135
b. Insert the new battery and position the clip back into place. NOTE: After the battery has been replaced, use the following steps to complete this procedure. 8. Replace the computer access panel. 9. Reconnect the power cord and any external devices, and then turn on the computer. 10. Reset the - HP EliteDesk 880 G4 | Maintenance and Service Guide - Page 136
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 880 G4 | Maintenance and Service Guide - Page 137
Country-Specific Requirements Additional requirements specific to a country are shown in parentheses and explained below. Country Accrediting Agency Country Accrediting Agency Australia (1) Austria (1) Belgium (1) Canada (2) EANSW OVE CEBC CSA Italy (1) Japan (3) Norway (1) Sweden (1) IMQ - HP EliteDesk 880 G4 | Maintenance and Service Guide - Page 138
The purpose of this chapter is to provide general information regarding nonvolatile memory in HP Business computers. This chapter also provides general instructions for restoring nonvolatile memory that can contain personal data after the system has been powered off and the hard drive has been - HP EliteDesk 880 G4 | Maintenance and Service Guide - Page 139
Hard Drive Utilities. d. Under Utilities, select Secure Erase, select the hard drive storing the data you want to clear, and then follow the on-screen instructions to continue. 131 - HP EliteDesk 880 G4 | Maintenance and Service Guide - Page 140
critical System solely by the HP Sure Start BIOS code, EC Embedded Controller. firmware, and critical computer configuration data for select platforms that support HP Sure Start. For more information, see Using HP Sure Start (select models only) on page 135. Yes Stores system RTC battery - HP EliteDesk 880 G4 | Maintenance and Service Guide - Page 141
Firmware MBytes (present only in select Elite or Z models. For more information, go to http://www.hp.com/ support. Select Find your product, and then follow the onscreen instructions.) Bluetooth flash 2 Mbit No (select products only) 802.11 WLAN EEPROM 4 Kbit to 8 Kbit No Webcam (select 64 - HP EliteDesk 880 G4 | Maintenance and Service Guide - Page 142
and Exit. c. Follow the on-screen instructions. d. Select Main, select Save Changes and Exit, and then follow the on-screen instructions. 2. What is a UEFI BIOS, and OS). It is a replacement for the older BIOS architecture, but supports much of the legacy BIOS functionality. Like the legacy BIOS, the - HP EliteDesk 880 G4 | Maintenance and Service Guide - Page 143
Security menu, select Secure Boot Configuration, and then follow the on-screen instructions. c. At the Secure Boot Configuration window, select Secure Boot, select Clear http://www.hp.com/support. Select Find your product, and then follow the on-screen instructions. Using HP Sure Start (select models - HP EliteDesk 880 G4 | Maintenance and Service Guide - Page 144
D Specifications Item Dimensions Width Depth Height Weight Max supported weight (desktop orientation) Temperature range Operating Non-operating Relative Humidity (at max inlet temperature) Operating Non-operating Maximum altitude Operating Non-operating Power supply 80 - HP EliteDesk 880 G4 | Maintenance and Service Guide - Page 145
cleaning computer 13 mouse 14 safety precautions 13 CMOS backing up 117 computer cleaning 13 Computer Setup access problem 84 country power cord set requirements 129 Customer Support 82 D disassembly preparation 18 drive cage 28 drives cable connections 29, 30 installation 29, 30 locations 29 dust - HP EliteDesk 880 G4 | Maintenance and Service Guide - Page 146
operating voltage range 136 removal and replacement 64 power-on password 117 printer port illustrated 7 printer problems 97 problems audio 95 CD-ROM or DVD 105 Computer Setup 84 F10 Setup 84 flash drive 107 correct size 14 security front bezel 21 serial number location 4 service considerations 14 - HP EliteDesk 880 G4 | Maintenance and Service Guide - Page 147
software problems 109 servicing computer 14 solid-state drives sizes 6, 7 speaker illustrated 5 removal and 24 system memory, removing personal data from volatile 130 T temperature control 12 tools, servicing 14 Torx T15 screwdriver 14 V ventilation, proper 12 W wireless antennas disconnecting 61
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Maintenance and Service Guide
HP EliteDesk 800 G4 TWR Business PC
HP EliteDesk 880 G4 TWR Business PC