HP ProDesk 480 G7 PCI Micro Maintenance and Service Guide
HP ProDesk 480 G7 PCI Micro Manual
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- HP ProDesk 480 G7 PCI Micro | Maintenance and Service Guide - Page 1
Maintenance and Service Guide SUMMARY This guide provides information about spare parts, removal and replacement of parts, security, backing up, and more. - HP ProDesk 480 G7 PCI Micro | 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 guides, go to http://www.hp.com/support, and follow the instructions to find your product. Then select Manuals. Software terms By - HP ProDesk 480 G7 PCI Micro | Maintenance and Service Guide - Page 3
computer 16 Cleaning your computer with a disinfectant 17 Cleaning the computer case ...17 Cleaning the keyboard ...18 Cleaning the monitor ...18 Cleaning the mouse ...18 Service considerations ...19 Tools and software requirements ...19 Screws ...19 ENWW iii - HP ProDesk 480 G7 PCI Micro | Maintenance and Service Guide - Page 4
antennas (select models only) ...49 System board ...51 System board callouts ...51 5 Troubleshooting without diagnostics ...53 Before you call for technical support ...53 Helpful hints ...54 Solving general problems ...55 Cannot access the Computer Setup (F10) Utility when booting the computer 55 - HP ProDesk 480 G7 PCI Micro | Maintenance and Service Guide - Page 5
Keyboard commands and typing are not recognized by the computer 67 Mouse does not respond to movement or is too slow 67 Solving hardware installation problems ...68 A new device is not recognized as part of the system 68 Computer will not start ...68 Power light blinks red three times and then - HP ProDesk 480 G7 PCI Micro | Maintenance and Service Guide - Page 6
followed by a two-second pause and the computer beeps five times (Beeps stop after fifth iteration but lights continue blinking 74 Solving USB flash drive problems ...75 USB flash drive is not seen as a drive letter in Windows 75 USB flash drive not found (identified) ...75 System will not boot - HP ProDesk 480 G7 PCI Micro | Maintenance and Service Guide - Page 7
Recovering using HP Recovery media ...107 Changing the computer boot order ...108 Using HP Sure Recover (select products only 108 10 Using HP PC Hardware Diagnostics ...109 Downloading the HP PC Hardware Diagnostics Windows from the Microsoft Store 109 Customizing Remote HP PC Hardware Diagnostics - HP ProDesk 480 G7 PCI Micro | Maintenance and Service Guide - Page 8
viii ENWW - HP ProDesk 480 G7 PCI Micro | Maintenance and Service Guide - Page 9
assistance and to learn more about the hardware and software installed on your computer model, run the HP Support Assistant utility. NOTE: The desktop microtower can be used in a tower orientation or a desktop orientation. Front panel components To identify the front panel components, use - HP ProDesk 480 G7 PCI Micro | Maintenance and Service Guide - Page 10
® card reader (optional) 4 Power button NOTE: The combo jack supports headphones, line output devices, microphones, line input devices, or CTIA the computer displays a diagnostic code to indicate a problem. See the Maintenance and Service Guide to interpret the code. Rear panel components To - HP ProDesk 480 G7 PCI Micro | Maintenance and Service Guide - Page 11
computer has a unique serial number and a product ID number that are located on the exterior of the computer. Keep these numbers available when contacting customer service for assistance. ENWW Serial number location 3 - HP ProDesk 480 G7 PCI Micro | Maintenance and Service Guide - Page 12
4 Chapter 1 Product features ENWW - HP ProDesk 480 G7 PCI Micro | Maintenance and Service Guide - Page 13
improves and changes product parts. For complete and current information about 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 To identify the computer major components, use this - HP ProDesk 480 G7 PCI Micro | Maintenance and Service Guide - Page 14
Table 2-1 Computer major components and their descriptions[cad edit-add processor and speaker] (continued) Item Description Slim optical drive blank bezel with 525 Slim optical drive latch 9.5 mm (4) Processor: Intel™ Core® i7-10700 processor (2.9 GHz, 8 cores, 65 W) Intel Core i5-10600 - HP ProDesk 480 G7 PCI Micro | Maintenance and Service Guide - Page 15
Table 2-1 Computer major components and their descriptions[cad edit-add processor and speaker] (continued) Item Description Internal dual antenna Internal single antenna Antenna cover Hood sensor (not illustrated) UDIMM memory module (not illustrated): 32 GB 1.2 V DDR4-3200 NECC UDIMM memory - HP ProDesk 480 G7 PCI Micro | Maintenance and Service Guide - Page 16
Table 2-2 Mass storage devices and their descriptions (continued) Description 500 GB, 7200 RPM, self-encrypting drive (SED), OPAL2 M.2 2280 solid-state drive: 2 TB, M.2 2280, peripheral component interconnect express (PCIe), non-volatile memory express (NVMe), Secure Seal (SS) solid-state drive with - HP ProDesk 480 G7 PCI Micro | Maintenance and Service Guide - Page 17
Table 2-3 Cables and their descriptions (continued) Description DisplayPort-to-DisplayPort 1.2 cable (1.8 m (6 ft), black) DisplayPort-to-DVI cable DisplayPort-to-VGA cable DVI-to-DVI (D) cable (1.8 m (6 ft), white) 130 mm (5.1 in) SATA power cable, RF solution SATA power connector cable, 2×3 pin - HP ProDesk 480 G7 PCI Micro | Maintenance and Service Guide - Page 18
Table 2-4 Miscellaneous parts and their descriptions (continued) Description Power cord, Cert-7A, for use in Japan (black) Power cord (1.8 m (6 ft), black) Power cord, C13, 5-15P, for use in Thailand (1.8 m (6 ft), black) Power cord, C13, 6 amp, for use in India (2.0 m (6.6 ft)) Power cord, C13 with - HP ProDesk 480 G7 PCI Micro | Maintenance and Service Guide - Page 19
3 Routine care, SATA drive guidelines, and disassembly preparation This information provides general service information for the computer. Adherence to the procedures and precautions is essential for proper service. IMPORTANT: When the computer is plugged into an AC power source, voltage is always - HP ProDesk 480 G7 PCI Micro | Maintenance and Service Guide - Page 20
Electrostatic discharge information A sudden discharge of static electricity from your finger or other conductor can destroy static-sensitive devices or microcircuitry. Often the spark is neither felt nor heard, but damage occurs. An electronic device exposed to electrostatic discharge (ESD) might - HP ProDesk 480 G7 PCI Micro | Maintenance and Service Guide - Page 21
Preventing electrostatic damage to equipment Many electronic components are sensitive to ESD. Circuitry design and structure determine the degree of sensitivity. The following packaging and grounding precautions are necessary to prevent static electricity damage to electronic components. ● To avoid - HP ProDesk 480 G7 PCI Micro | Maintenance and Service Guide - Page 22
workstations with ground cord of 1 MΩ ±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 1 MΩ ±10% resistance ● Material handling packages ● Conductive plastic bags ● Conductive - HP ProDesk 480 G7 PCI Micro | Maintenance and Service Guide - Page 23
● Do not stack computers on top of each other or place computers so near each other that they are subject to each other's recirculated or preheated air. ● If the computer is to be operated within a separate enclosure, intake and exhaust ventilation must be provided on the enclosure, and the same - HP ProDesk 480 G7 PCI Micro | Maintenance and Service Guide - Page 24
Routine care Use this information to properly care for your computer. General cleaning safety precautions Use this information to safely clean your computer. 1. Never use solvents or flammable solutions to clean the computer. 2. Never immerse any parts in water or cleaning solutions; apply any - HP ProDesk 480 G7 PCI Micro | Maintenance and Service Guide - Page 25
Cleaning your computer with a disinfectant The World Health Organization (WHO) recommends cleaning surfaces, followed by disinfection, as a best practice for preventing the spread of viral respiratory illnesses and harmful bacteria. After cleaning the external surfaces of your computer using the - HP ProDesk 480 G7 PCI Micro | Maintenance and Service Guide - Page 26
● After cleaning, always wipe the unit with a clean, lint-free cloth. ● Occasionally clean the air vents on the computer. Lint and other foreign matter can block the vents and limit the airflow. Cleaning the keyboard Use this information to properly clean the keyboard. Follow all safety precautions - HP ProDesk 480 G7 PCI Micro | Maintenance and Service Guide - Page 27
or twisting the cables, and route the cables so that they cannot be caught or snagged by parts being removed or replaced. IMPORTANT: When servicing this computer, be sure to place cables in their proper location during the reassembly process. Improper cable placement can damage the computer. Hard - HP ProDesk 480 G7 PCI Micro | Maintenance and Service Guide - Page 28
a minimum lifetime of approximately three years. See the appropriate removal and replacement chapter for the chassis that you are working on for instructions on the replacement procedures. WARNING! This computer contains a lithium battery. There is a risk of fire and chemical burn if the battery is - HP ProDesk 480 G7 PCI Micro | Maintenance and Service Guide - Page 29
The SATA data cable is a thin, seven-pin cable designed to transmit data for only a single drive. Cable management Always follow good cable management practices when working inside the computer. ● Keep cables away from major heat sources like the heat sink. ● Keep cables clear of sliding or moveable - HP ProDesk 480 G7 PCI Micro | Maintenance and Service Guide - Page 30
22 Chapter 3 Routine care, SATA drive guidelines, and disassembly preparation ENWW - HP ProDesk 480 G7 PCI Micro | Maintenance and Service Guide - Page 31
guide are available on all computers. NOTE: HP continually improves and changes product parts. For complete and current information about supported parts for your computer, go to http://partsurfer.hp.com, select your country or region, and then follow the on-screen instructions before servicing a - HP ProDesk 480 G7 PCI Micro | Maintenance and Service Guide - Page 32
Remove the access panel: ▲ Loosen the thumbscrew on the rear of the computer (1), slide the panel backward (2), and lift if off the computer. To install the access panel, reverse the removal procedure. Optical drive To remove the optical drive, use these procedures. Before removing the optical drive - HP ProDesk 480 G7 PCI Micro | Maintenance and Service Guide - Page 33
2. Push the green release latch on the left rear side of the drive toward the center of the drive (3), and then slide the drive forward and out of the bay (4). To install the optical drive, reverse the removal procedure. Front bezel To remove the front bezel, use these procedures. Before removing - HP ProDesk 480 G7 PCI Micro | Maintenance and Service Guide - Page 34
4. Swing the front bezel (3) down and away from the system chassis. 5. Remove the front bezel. To install the front bezel, reverse the removal procedure. Optical drive cage To remove the optical drive cage, use these procedures. The optical drive cage is located next to the heat sink. The drive - HP ProDesk 480 G7 PCI Micro | Maintenance and Service Guide - Page 35
2. Disconnect the 2.5 inch hard drive data cable (2) and 2.5 inch hard drive power cable (3) from the 2.5 inch hard drive. 3. Remove the slotted Torx15 screw (1) that secures the optical drive cage to the primary drive cage. 4. Press and hold the green release lever (2), and then lift the left side - HP ProDesk 480 G7 PCI Micro | Maintenance and Service Guide - Page 36
Table 4-1 2.5 inch hard drive descriptions (continued) Description 1 TB, 7200 RPM 500 GB, 7200 RPM 500 GB, 7200 RPM, Federal Information Processing Standards (FIPS) 500 GB, 7200 RPM, self-encrypting drive (SED), OPAL2 NOTE: Before you remove the old 2.5 inch hard drive, be sure to back up the data - HP ProDesk 480 G7 PCI Micro | Maintenance and Service Guide - Page 37
Table 4-2 3.5 inch hard drive descriptions Description 2 TB, 7200 RPM 1 TB, 7200 RPM 500 GB, 7200 RPM NOTE: Before you remove the old 3.5 inch primary hard drive, be sure to back up the data from the old 3.5 inch primary hard drive so that you can transfer the data to the new 3.5 inch primary hard - HP ProDesk 480 G7 PCI Micro | Maintenance and Service Guide - Page 38
5. Remove the 3.5 inch primary hard drive cage (2) from the system chassis. 6. Release the tabs on the 3.5 inch primary hard drive cage cover (1) from the 3.5 inch primary hard drive. 7. Swing the edge of the 3.5 inch primary hard drive cage cover (2) up and away from the 3.5 inch primary hard - HP ProDesk 480 G7 PCI Micro | Maintenance and Service Guide - Page 39
9. Slide the 3.5 inch primary hard drive (2) toward the open end of the 3.5 inch primary hard drive drive cage, and then remove the 3.5 inch primary hard drive (3). 10. To install a 3.5 inch primary hard drive, you must replace the silver screws from the old 3.5 inch primary hard drive with standard - HP ProDesk 480 G7 PCI Micro | Maintenance and Service Guide - Page 40
11. You can also install a 2.5 inch hard drive into a 3.5 inch drive bay using an adapter bracket similar to the following example. Slide the 2.5 inch drive into the 3.5 inch adapter bracket. 12. Secure the drive to the bay adapter bracket by installing four black M3 adapter bracket screws through - HP ProDesk 480 G7 PCI Micro | Maintenance and Service Guide - Page 41
UDIMM memory module 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 operation - HP ProDesk 480 G7 PCI Micro | Maintenance and Service Guide - Page 42
● Single-sided and double-sided memory modules ● Memory modules constructed with ×8 and ×16 DDR devices; memory modules constructed with ×4 SDRAM are not supported NOTE: The system does not operate properly if you install unsupported memory modules. There are four memory sockets on the system board - HP ProDesk 480 G7 PCI Micro | Maintenance and Service Guide - Page 43
Before replacing the memory modules, follow these steps: 1. Prepare the computer for disassembly (Preparation for disassembly on page 23). 2. Remove the access panel (Access panel on page 23). 3. Remove the optical drive (Optical drive on page 24). 4. Remove the front bezel (Front bezel on page 25). - HP ProDesk 480 G7 PCI Micro | Maintenance and Service Guide - Page 44
2. To install a memory module, open both latches of the memory module socket (1), and insert the memory module into the socket (2). Press the module down into the socket so that the module is fully inserted and properly seated. Be sure that the latches are in the closed position (3). NOTE: A memory - HP ProDesk 480 G7 PCI Micro | Maintenance and Service Guide - Page 45
To remove an expansion card: 1. Remove the Phillips screw (1) that secures the expansion card bracket to the expansion card. 2. Release the expansion card bracket (2) from the expansion card. 3. Release the slot cover retention latch (3) that secures the slot covers by lifting the tab on the latch - HP ProDesk 480 G7 PCI Micro | Maintenance and Service Guide - Page 46
Table 4-4 Solid-state drive descriptions (continued) Description 512 GB, M.2 2280, PCIe, NVMe, value solid-state drive 512 GB, M.2 2280, PCIe-3×4, SED solid-state drive with TLC 512 GB, M.2 2280, PCIe, NVMe + 32 GB, 3D Xpoint solid-state drive 256 GB, M.2 2280, PCIe, NVMe, SS solid-state drive with - HP ProDesk 480 G7 PCI Micro | Maintenance and Service Guide - Page 47
2. Pull the drive out of the system board connector (2). To install the solid-state drive module, reverse the removal procedure. NOTE: Solid-state drive modules are designed with a notch to prevent incorrect insertion. WLAN module To remove the WLAN module, use these procedures. Table 4-5 WLAN - HP ProDesk 480 G7 PCI Micro | Maintenance and Service Guide - Page 48
1. Disconnect the antenna cables from the module (1). NOTE: The WLAN antenna cable labeled 1/MAIN connects to the WLAN module Main terminal. The WLAN antenna cable labeled 2/AUX connects to the WLAN module Aux terminal. 2. Remove the screw (2) that secures the module to the computer. 3. Pull the - HP ProDesk 480 G7 PCI Micro | Maintenance and Service Guide - Page 49
To install the WLAN module, reverse the removal procedure. NOTE: WLAN modules are designed with a notch to prevent incorrect insertion. Speaker To remove the speaker, use these procedures. A single speaker is located on the left side of the computer behind the front bezel, inside the chassis. It is - HP ProDesk 480 G7 PCI Micro | Maintenance and Service Guide - Page 50
1. Prepare the computer for disassembly (Preparation for disassembly on page 23). 2. Remove the access panel (Access panel on page 23). 3. Remove the optical drive (Optical drive on page 24). 4. Remove the front bezel (Front bezel on page 25). 5. Remove the optical drive cage (Optical drive cage on - HP ProDesk 480 G7 PCI Micro | Maintenance and Service Guide - Page 51
cage (Optical drive cage on page 26). Remove the battery: 1. Depending on the type of battery holder on the system board, complete the following instructions to replace the battery. 2. Type 1: Lift the battery out of its holder. 3. Slide the replacement battery into position, positive side up. The - HP ProDesk 480 G7 PCI Micro | Maintenance and Service Guide - Page 52
4. Type 2: 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 out (2). 5. To insert the new battery, slide one edge of the replacement battery under the holder's lip with the positive side up (1). Push - HP ProDesk 480 G7 PCI Micro | Maintenance and Service Guide - Page 53
IMPORTANT: The bond between the heat sink and the processor can be very tight. If the computer will turn on, before removing the heat sink, turn on the computer until it warms the heat sink. Warming the heat sink loosens the bond between the heat sink and the processor, thereby making it easier to - HP ProDesk 480 G7 PCI Micro | Maintenance and Service Guide - Page 54
To replace the heat sink, reverse the removal procedures. Processor To remove the processor, use these procedures. Table 4-6 Processor descriptions Description Intel Core i7-10700 processor (2.9 GHz, 8 cores, 65 W) Intel Core i5-10600 processor (3.3 GHz, 6 cores, 65 W) Intel Core i5-10500 processor - HP ProDesk 480 G7 PCI Micro | Maintenance and Service Guide - Page 55
that the latest version of the BIOS is being used on the computer. You can find the latest system BIOS on the web at: https://support.hp.com/us-en. Power supply To remove the power supply, use these procedures. NOTE: All power supply spare part kits include replacement thermal material - HP ProDesk 480 G7 PCI Micro | Maintenance and Service Guide - Page 56
Remove the power supply: 1. Disconnect the power supply P2 (1) cable from the system board. 2. Disconnect the power supply P1 (2) cable from the system board. 3. Disconnect the power supply P3 (3) cable from the system board. 4. Remove the three Phillips screws (1) that secure the power supply to - HP ProDesk 480 G7 PCI Micro | Maintenance and Service Guide - Page 57
Update SMBIOS information in Computer Setup. Wireless antennas (select models only) To remove the wireless antennas, use these procedures. The external connection antennas route from the WLAN module to the cable connectors on the front and rear panels of the computer. Before removing the wireless - HP ProDesk 480 G7 PCI Micro | Maintenance and Service Guide - Page 58
7. Remove the slotted Torx15 screw (4) that secures the wireless antenna transceiver to the system chassis rear panel. 8. Remove the wireless antenna transceiver (5). 9. Release the wireless antenna cable through the opening (6) in the system chassis rear panel. To install the wireless antenna, - HP ProDesk 480 G7 PCI Micro | Maintenance and Service Guide - Page 59
System board System board callouts Use this illustration and table to determine system board callout locations. Table 4-7 System board callouts Item Description Item (1) Power supply P3 cable (5) connector (2) Heat sink fan cable connector (6) (3) SATA drive data cable (7) connectors - HP ProDesk 480 G7 PCI Micro | Maintenance and Service Guide - Page 60
52 Chapter 4 Removal and replacement procedures ENWW - HP ProDesk 480 G7 PCI Micro | Maintenance and Service Guide - Page 61
environment. For more information, see the Safety & Regulatory Information guide. Before you call for technical support If you are having problems with the computer, try these solutions to isolate the exact problem before calling for technical support. ● Run the HP diagnostic tool. ● Run the hard - HP ProDesk 480 G7 PCI Micro | Maintenance and Service Guide - Page 62
● Spend time troubleshooting the problem with the service technician. ● Remove any hardware that was recently operating system other than the factory-installed operating system, check to be sure that it is supported on the system. NOTICE: When the computer is plugged into an AC power source, there - HP ProDesk 480 G7 PCI Micro | Maintenance and Service Guide - Page 63
F10 until the Computer Setup (F10) Utility is displayed. - or - Follow the Windows® instructions for rebooting the computer into the Computer Setup (F10) Utility. Computer appears locked up and will is incorrect Use this information to troubleshoot the computer. ENWW Solving general problems 55 - HP ProDesk 480 G7 PCI Micro | Maintenance and Service Guide - Page 64
the problem persists, replace the RTC battery. See the Removal and Replacement section for instructions volume is too low Use this information to troubleshoot the computer. Cause System volume might be set power loss, or computer malfunction, you must manually disable the Smart Cover lock. A key - HP ProDesk 480 G7 PCI Micro | Maintenance and Service Guide - Page 65
power light blinks red four times and then white two times Use this information to troubleshoot the computer. Cause Processor thermal protection activated. A fan might be blocked or not computer are not blinking Use this information to troubleshoot the computer. ENWW Solving general problems 57 - HP ProDesk 480 G7 PCI Micro | Maintenance and Service Guide - Page 66
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. 58 Chapter 5 Troubleshooting without diagnostics ENWW - HP ProDesk 480 G7 PCI Micro | Maintenance and Service Guide - Page 67
These tables provide common causes and solutions for power problems. Power supply shuts down intermittently Use this information to troubleshoot the computer. Cause Solution If the computer has a voltage selector, voltage selector switch on Select the proper AC voltage using the selector switch - HP ProDesk 480 G7 PCI Micro | Maintenance and Service Guide - Page 68
is seated into the connector on the system board. 3. Check whether a device is causing the problem by removing all attached devices (such as hard drives or optical drives and expansion cards). Turn on power supply. 5. Replace the system board. 60 Chapter 5 Troubleshooting without diagnostics ENWW - HP ProDesk 480 G7 PCI Micro | Maintenance and Service Guide - Page 69
and block usage of bad sectors. If necessary, reformat the hard disk. Disk transaction problem Use this information to troubleshoot the computer. Cause Solution Either the directory structure is bad or there is a problem with a file. In Windows 10, type file in the taskbar search box, and then - HP ProDesk 480 G7 PCI Micro | Maintenance and Service Guide - Page 70
sure that the bootable hard drive is listed immediately under the Hard Drive entry. Computer will not boot from hard drive Use this information to troubleshoot the computer. Cause The device is attached to a SATA port that has been hidden in Computer Setup. Boot order is not correct. Hard drive is - HP ProDesk 480 G7 PCI Micro | Maintenance and Service Guide - Page 71
If the computer has audio features and you encounter audio problems, see the common causes and solutions listed in these tables. Sound cuts in and out Use this information to troubleshoot the computer. Cause Processor resources are being used by other open applications. Solution Shut down all - HP ProDesk 480 G7 PCI Micro | Maintenance and Service Guide - Page 72
Line-in jack is not functioning properly Use this information to troubleshoot the computer. Cause Jack has been reconfigured in the audio driver or application software. Solution In the audio driver or application software, reconfigure the jack - HP ProDesk 480 G7 PCI Micro | Maintenance and Service Guide - Page 73
If you encounter printer problems, see the documentation that came with the printer and the common causes and solutions listed in these tables. Printer will not print Use this information to troubleshoot the computer. Cause Printer is not turned on and online. The correct printer drivers for - HP ProDesk 480 G7 PCI Micro | Maintenance and Service Guide - Page 74
Cause The printer might be out of paper. Solution Check the paper tray, and refill it if it is empty. 66 Chapter 5 Troubleshooting without diagnostics ENWW - HP ProDesk 480 G7 PCI Micro | Maintenance and Service Guide - Page 75
problems, see the documentation that came with the equipment and the common causes and solutions listed in these tables. Keyboard commands and typing are not recognized by the computer Use this information to troubleshoot the instructions that came with the mouse. ENWW Solving keyboard and mouse - HP ProDesk 480 G7 PCI Micro | Maintenance and Service Guide - Page 76
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 codes for specific problems. 3. If you still cannot resolve the issue, contact Customer Support. 68 Chapter 5 Troubleshooting without diagnostics ENWW - HP ProDesk 480 G7 PCI Micro | Maintenance and Service Guide - Page 77
light blinks red three times and then white two times Use this information to troubleshoot the computer. Cause Memory is installed incorrectly or is bad. Solution To avoid damage third-party memory with HP memory. 4. Replace the system board. ENWW Solving hardware installation problems 69 - HP ProDesk 480 G7 PCI Micro | Maintenance and Service Guide - Page 78
Some common causes and solutions for network problems are listed in these tables. The guidelines do not discuss the process of debugging the network cabling. Network driver does not detect network controller Use this information to troubleshoot the computer. Cause Network controller is disabled - HP ProDesk 480 G7 PCI Micro | Maintenance and Service Guide - Page 79
connector, and that the other end of the cable is securely attached to the correct device. Contact an authorized service provider. Cannot connect to network server when attempting remote system installation Use this information to troubleshoot the computer. ENWW Solving network problems 71 - HP ProDesk 480 G7 PCI Micro | Maintenance and Service Guide - Page 80
contains the network interface card (NIC) drivers for your NIC. System setup utility reports unprogrammed EEPROM Use this information to troubleshoot the computer. Cause Unprogrammed EEPROM. Solution Contact an authorized service provider. 72 Chapter 5 Troubleshooting without diagnostics ENWW - HP ProDesk 480 G7 PCI Micro | Maintenance and Service Guide - Page 81
encounter memory problems, some 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 be mixed. Out of memory error Use this information to troubleshoot the computer. Cause You have run out of memory to - HP ProDesk 480 G7 PCI Micro | Maintenance and Service Guide - Page 82
by a two-second pause and the computer beeps five times (Beeps stop after fifth iteration but lights continue blinking) Use this information to troubleshoot the computer. Cause Memory is installed incorrectly or is bad. Solution 1. Reseat DIMMs. Turn on the system. 2. Replace DIMMs one at a time - HP ProDesk 480 G7 PCI Micro | Maintenance and Service Guide - Page 83
If you encounter USB flash drive problems, common causes and solutions are listed in these tables. USB flash drive is not seen as a drive letter in Windows Use this information to troubleshoot the computer. Cause The drive letter after the last physical drive is not available. Solution Change - HP ProDesk 480 G7 PCI Micro | Maintenance and Service Guide - Page 84
If you encounter internet access problems, consult your internet service provider (ISP), or see the common causes and solutions listed in these tables. Unable to connect to the internet Use this information to troubleshoot the computer. Cause Solution Internet Service Provider (ISP) account is - HP ProDesk 480 G7 PCI Micro | Maintenance and Service Guide - Page 85
-installed operating system, it might not be supported on the system. If you encounter software problems, see the applicable solutions listed in the following table. Computer will not start up and the HP logo does not appear Use this information to troubleshoot the computer. Cause ROM issue - POST - HP ProDesk 480 G7 PCI Micro | Maintenance and Service Guide - Page 86
78 Chapter 5 Troubleshooting without diagnostics ENWW - HP ProDesk 480 G7 PCI Micro | Maintenance and Service Guide - Page 87
information about 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 You can access Computer Setup only by turning the computer on or restarting the system. To - HP ProDesk 480 G7 PCI Micro | Maintenance and Service Guide - Page 88
turn off the computer only after exiting the F10 Setup screen. Computer Setup-Main This table provides information about the Computer Setup Main menu. NOTE: Support for specific Computer Setup options can vary, depending on the hardware configuration. 80 Chapter 6 Computer Setup (F10) Utility ENWW - HP ProDesk 480 G7 PCI Micro | Maintenance and Service Guide - Page 89
Table 6-1 Computer Setup-Main Option Description System Information Lists all information in following list if Advanced System Information is selected. Lists smaller subset if Basic System Information is selected. ● Product name ● Installed memory size ● Processor type ● Processor cache size - HP ProDesk 480 G7 PCI Micro | Maintenance and Service Guide - Page 90
roll back to any previous version of BIOS. ■ Restricted Rollback to older BIOS-If selected, Minimum BIOS Version becomes active, which lets you manually enter the minimum BIOS version that you can roll back to. ● Allow BIOS Updates Using a Network ● BIOS Update Preferences ■ Check for Update on - HP ProDesk 480 G7 PCI Micro | Maintenance and Service Guide - Page 91
errors generated by Power On Self Test (POST) during boot up. Computer Setup-Security This table provides information about the Computer Setup Security menu. NOTE: Support for specific Computer Setup options can vary, depending on the hardware configuration. ENWW Computer Setup-Security 83 - HP ProDesk 480 G7 PCI Micro | Maintenance and Service Guide - Page 92
Table 6-2 Computer Setup-Security Option Description Create BIOS Administrator Password Lets you set and enable a BIOS administrator password, which controls access to the following features: ● Setup Menu (F10) ● Third Party Option ROM Management (F3) ● Update system ROM ● WMI commands that - HP ProDesk 480 G7 PCI Micro | Maintenance and Service Guide - Page 93
SureStart ● Verify Boot Block on every boot-Select to enable HP SureStart. ● BIOS Data Recovery Policy-Select Automatic or Manual to determine data recovery process. Manual recovery is intended only for situations when you want forensic analysis before HP SureStart recovery. When this policy is - HP ProDesk 480 G7 PCI Micro | Maintenance and Service Guide - Page 94
Extensions (SGX) Intel SGX is a set of processor code instructions from that allows user-level code to allocate private regions of include an Master Boot Record (MBR). Instead they use GUID Partition Table (GPT) format, which better supports large hard drives. Enabling this feature will save the - HP ProDesk 480 G7 PCI Micro | Maintenance and Service Guide - Page 95
Restore GPT of System Hard Drive Enabling this feature saves the GUID Partition Table (GPT) of the system hard drive. If the selection appears only when at least one drive that supports the DriveLock feature is attached to the system. reset security settings during a service event. Default is enabled - HP ProDesk 480 G7 PCI Micro | Maintenance and Service Guide - Page 96
Table 6-3 Computer Setup-Advanced (for advanced users) (continued) Option Heading Scheduled Power-On This feature wakes the system when it is off at a specified date and time. Boot Options Select the devices that the computer can boot from, as well as other options, including: ● Startup Delay - HP ProDesk 480 G7 PCI Micro | Maintenance and Service Guide - Page 97
key 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. Ready BIOS for Device Guard Use Requires BIOS Administrator password to be configured and Secure Boot to be enabled. ENWW Computer - HP ProDesk 480 G7 PCI Micro | Maintenance and Service Guide - Page 98
™ memory module. Hyperthreading Lets you control processor capability. 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 - HP ProDesk 480 G7 PCI Micro | Maintenance and Service Guide - Page 99
Table 6-3 Computer Setup-Advanced (for advanced users) (continued) Option Heading Built-In Device Options Embedded LAN Controller Select to show the device in the operating system. Default is enabled. Wake On LAN Lets you either disable the Wake On LAN feature or configure where the computer - HP ProDesk 480 G7 PCI Micro | Maintenance and Service Guide - Page 100
Table 6-3 Computer Setup-Advanced (for advanced users) (continued) Option Heading Port Options SATA0 Lets you disable the connector. Default is enabled. SATA1 Lets you disable the connector. Default is enabled. Rear USB ports Lets you disable the ports. Default is enabled. Right USB ports - HP ProDesk 480 G7 PCI Micro | Maintenance and Service Guide - Page 101
Table 6-3 Computer Setup-Advanced (for advanced users) (continued) Option Heading Power Management Options Runtime Power Management (enable/disable) Allows certain operating systems to reduce processor voltage and frequency when the current software load does not require the full capabilities of - HP ProDesk 480 G7 PCI Micro | Maintenance and Service Guide - Page 102
devices. USB Key Provisioning Support (enable/disable) Default is disabled. USB Redirection Support (enable/disable). Default is .) (1/2/3/4/Never) CIRA is Customer Initiated Remote Assistance, an Intel service to help users employing Active Management Technology (AMT). 94 Chapter 6 Computer - HP ProDesk 480 G7 PCI Micro | Maintenance and Service Guide - Page 103
-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 G7 PCI Micro | Maintenance and Service Guide - Page 104
. Reset the date and time under Control Panel (You can also use Computer Setup). If the problem persists, replace the RTC battery. See the Removal and Replacement section for instructions on installing a new battery, or contact an authorized dealer or reseller for RTC battery replacement. 163 - HP ProDesk 480 G7 PCI Micro | Maintenance and Service Guide - Page 105
ECC memory error correction. 1. If additional memory was recently added, remove it to see if the problem remains. 2. 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 G7 PCI Micro | Maintenance and Service Guide - Page 106
Description Recommended action Diagnostics when booting the computer. 2. Apply hard drive firmware patch if applicable. (Available at http://www.hp.com/support.) 3. Back up contents and replace hard drive. 2212-USB Key Provisioning failure writing to USB device used for USB key provisioning - HP ProDesk 480 G7 PCI Micro | Maintenance and Service Guide - Page 107
by a two-second pause. Beeps stop after fifth iteration, but lights continue until problem is solved. Processor thermal protection activated: A fan might be blocked or not turning an authorized reseller or service provider. ENWW Interpreting POST diagnostic front panel lights and audible codes 99 - HP ProDesk 480 G7 PCI Micro | Maintenance and Service Guide - Page 108
Red power light blinks five times, 5 once every second, followed by a two-second pause. Beeps stop after fifth iteration, but lights continue until problem is solved. Pre-video memory error. IMPORTANT: To avoid damage to the DIMMs or the system board, you must unplug the computer power cord before - HP ProDesk 480 G7 PCI Micro | Maintenance and Service Guide - Page 109
action Red power light blinks nine times, 9 once every second, followed by a two-second pause. Beeps stop after fifth iteration, but lights continue until problem is solved. System turn on but cannot boot. 1. Unplug the power cord from the computer, wait 30 s, then plug the power cord back in to - HP ProDesk 480 G7 PCI Micro | Maintenance and Service Guide - Page 110
102 Chapter 7 POST error messages ENWW - HP ProDesk 480 G7 PCI Micro | Maintenance and Service Guide - Page 111
8 Password security and resetting CMOS This computer supports two security password features that you can establish through the Computer Setup Utilities menu: administrator password and power-on password. When you establish only an - HP ProDesk 480 G7 PCI Micro | Maintenance and Service Guide - Page 112
Deleting a setup or power-on password Use this procedure to delete a password. To delete the power-on or setup password, complete the following steps: 1. Turn on or restart the computer. To delete the Setup password, go to step 2. To delete the Power-on password, go to step 3. 2. To delete the Setup - HP ProDesk 480 G7 PCI Micro | Maintenance and Service Guide - Page 113
9 Backing up, restoring, and recovering You can use Windows tools or HP software to back up your information, create a restore point, reset your computer, create recovery media, or restore your computer to its factory state. Performing these standard procedures can return your computer to a working - HP ProDesk 480 G7 PCI Micro | Maintenance and Service Guide - Page 114
that you have. NOTE: If you cannot create recovery media yourself, contact support to obtain recovery discs. Go to http://www.hp.com/support, select your country or region, and then follow the on-screen instructions. IMPORTANT: HP recommends that you follow the Restoring and recovery methods on - HP ProDesk 480 G7 PCI Micro | Maintenance and Service Guide - Page 115
available in Windows. The System Restore software can automatically or manually create restore points, or snapshots, of the system files and , contact support to obtain recovery discs. Go to http://www.hp.com/support, select your country or region, and then follow the on-screen instructions. To - HP ProDesk 480 G7 PCI Micro | Maintenance and Service Guide - Page 116
drivers ● Software applications, in the case of a custom image To access the latest documentation for HP Sure Recover, go to http://www.hp.com/support. Follow the onscreen instructions to find your product and locate your documentation. 108 Chapter 9 Backing up, restoring, and recovering ENWW - HP ProDesk 480 G7 PCI Micro | Maintenance and Service Guide - Page 117
10 Using HP PC Hardware Diagnostics You can use the HP PC Hardware Diagnostics utility to determine whether your computer hardware is running properly. The three versions are HP PC Hardware Diagnostics Windows, HP PC Hardware Diagnostics UEFI (Unified Extensible Firmware Interface), and (for select - HP ProDesk 480 G7 PCI Micro | Maintenance and Service Guide - Page 118
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. 110 Chapter 10 Using HP PC Hardware Diagnostics ENWW - HP ProDesk 480 G7 PCI Micro | Maintenance and Service Guide - Page 119
nonvolatile memory that can contain personal data after the system has been turned off and the hard drive has been removed, use these instructions. HP Business computer products that use Intel®-based or AMD®-based system boards contain volatile DDR memory. The amount of nonvolatile memory present - HP ProDesk 480 G7 PCI Micro | Maintenance and Service Guide - Page 120
. 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. - or - Clear the contents of the drive using the following Disk Sanitizer commands steps: 112 Chapter 11 Statement of memory volatility - HP ProDesk 480 G7 PCI Micro | Maintenance and Service Guide - Page 121
you want to clear, and then follow the on-screen instructions to continue. NOTE: The amount of time it takes to troubleshooting nonvolatile memory usage. Table 11-1 Troubleshooting steps for computer configuration data for select platforms that support HP Sure Start. For more information, - HP ProDesk 480 G7 PCI Micro | Maintenance and Service Guide - Page 122
Table 11-1 Troubleshooting steps for nonvolatile memory usage (continued) Nonvolatile memory type to http://www.hp.com/ support. Select Identify your product for manuals and specific product information, and then follow the on- screen instructions.) Stores Management Engine Code, Settings - HP ProDesk 480 G7 PCI Micro | Maintenance and Service Guide - Page 123
Table 11-1 Troubleshooting steps for nonvolatile memory usage (continued) Nonvolatile memory type Amount (Size) Does this memory store customer data? Does this memory retain data when power is - HP ProDesk 480 G7 PCI Micro | Maintenance and Service Guide - Page 124
Main, select Save Changes and Exit, and then follow the on-screen instructions. 2. What is a UEFI BIOS, and how is it different from firmware and an operating system (OS). It replaces the older BIOS architecture but supports much of the legacy BIOS functionality. Like the legacy BIOS, the UEFI BIOS - HP ProDesk 480 G7 PCI Micro | Maintenance and Service Guide - Page 125
esc. b. Select the 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 Secure Boot Keys, Start, go to http://www.hp.com/support. ENWW Using HP Sure Start (select products only) 117 - HP ProDesk 480 G7 PCI Micro | Maintenance and Service Guide - Page 126
118 Chapter 11 Statement of memory volatility ENWW - HP ProDesk 480 G7 PCI Micro | Maintenance and Service Guide - Page 127
12 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 of 100 V ac-120 V ac or 220 V ac-240 V ac. Power supplies on those computers that do not have external - HP ProDesk 480 G7 PCI Micro | Maintenance and Service Guide - Page 128
Table 12-1 Power cord country-specific requirements 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 (2) CSA Sweden (1) SEMKO Denmark (1) DEMKO Switzerland (1) SEV - HP ProDesk 480 G7 PCI Micro | Maintenance and Service Guide - Page 129
13 Specifications This section provides specifications for your computer. Table 13-1 Specifications Metric U.S. Dimensions Height 337 mm 13.27 in Width 155 mm 6.1 in Depth 303 mm 11.93 in Approximate weight 8.49 kg 18.7 lb Temperature range Operating 10°C to 35°C 50°F to 95°F - HP ProDesk 480 G7 PCI Micro | Maintenance and Service Guide - Page 130
122 Chapter 13 Specifications ENWW - HP ProDesk 480 G7 PCI Micro | Maintenance and Service Guide - Page 131
83 Computer Setup Utility 79 country power cord set requirements 119 Customer Support 53 D deleting a Power-On password 104 deleting a Setup password 27, 28 SATA characteristics 11, 20 hard drive problems 61 hard drives 7 hardware installation problems 68 heat sink removal and replacement 44 heat - HP ProDesk 480 G7 PCI Micro | Maintenance and Service Guide - Page 132
11, 20 screws, correct size 11, 19 Security menu, Computer Setup 83 serial number locations 3 service considerations 11, 19 Setup password 103, 104 software problems 77 servicing computer 11, 19 solid-state drive module removal and replacement 37 solid-state drives 7 speaker illustrated - HP ProDesk 480 G7 PCI Micro | Maintenance and Service Guide - Page 133
tools, servicing 11, 19 Torx T15 screwdriver 11, 19 troubleshooting without diagnostics 53 U using Computer Setup Utilities 79 V ventilation, proper 11, 14 W Windows backup 105 recovery media 105 system restore point 106 Windows tools, using - HP ProDesk 480 G7 PCI Micro | Maintenance and Service Guide - Page 134
126 Index ENWW
Maintenance and Service Guide
SUMMARY
This guide provides information about spare parts, removal and replacement of parts, security, backing up, and more.