HP ProDesk 400 G7 Maintenance and Service Guide

HP ProDesk 400 G7 Manual

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  • HP ProDesk 400 G7 | 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 400 G7 | Maintenance and Service Guide - Page 2
    updates. Go to http://www.microsoft.com for details. To 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 installing, copying, downloading, or otherwise using any software product preinstalled on
  • HP ProDesk 400 G7 | Maintenance and Service Guide - Page 3
    ...16 General cleaning safety precautions ...16 Cleaning the computer case ...16 Cleaning the keyboard ...16 Cleaning the monitor ...17 Cleaning the mouse ...17 Service considerations ...18 Tools and software requirements ...18 Screws ...18 Cables and connectors ...18 Hard drives ...18 ENWW iii
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    Heat sink ...39 Processor ...40 Power supply ...42 Battery ...43 System board ...46 5 Troubleshooting without diagnostics ...49 Before you call for technical support ...49 Helpful hints ...50 Solving general problems ...51 Cannot access the Computer Setup (F10) Utility when booting the computer 51
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    Keyboard commands and typing are not recognized by the computer 63 Mouse does not respond to movement or is too slow 63 Solving hardware installation problems ...64 A new device is not recognized as part of the system 64 Computer will not start ...64 Power light blinks red three times and then
  • HP ProDesk 400 G7 | Maintenance and Service Guide - Page 6
    drive problems ...71 HP PC Hardware Diagnostics Windows hardware failure ID code 102 Accessing HP PC Hardware Diagnostics Windows 103 Accessing HP PC Hardware Diagnostics Windows from HP Help and Support 103 Accessing HP PC Hardware Diagnostics Windows from Support Assistant 103 Downloading HP PC
  • HP ProDesk 400 G7 | Maintenance and Service Guide - Page 7
    (select products only) ...104 Installing HP PC Hardware Diagnostics Windows 104 Using HP PC Hardware Diagnostics UEFI ...105 Using an HP PC Hardware Diagnostics UEFI hardware failure ID code 105 Starting HP PC Hardware Diagnostics UEFI 105 Downloading HP PC Hardware Diagnostics UEFI to a USB
  • HP ProDesk 400 G7 | Maintenance and Service Guide - Page 8
    Index ...125 viii ENWW
  • HP ProDesk 400 G7 | Maintenance and Service Guide - Page 9
    a typical computer configuration, read this section. Features 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: You can use this computer model in a tower orientation or
  • HP ProDesk 400 G7 | Maintenance and Service Guide - Page 10
    activity light 4 USB Type-A ports (2) NOTE: The combo jack supports headphones, line output devices, microphones, line input devices, or CTIA the light flashes red, the computer displays a diagnostic code to indicate a problem. See the {refer to MSG sample} to interpret the code. Rear panel
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    12 Power cord connector NOTE: Your model might have additional optional ports available from HP. When a graphics card is installed in one of the system board slots, Each computer has a unique serial number and a product ID number that are located on the exterior of the computer. Keep
  • HP ProDesk 400 G7 | Maintenance and Service Guide - Page 12
    4 Chapter 1 Product features ENWW
  • HP ProDesk 400 G7 | 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 400 G7 | Maintenance and Service Guide - Page 14
    Table 2-1 Computer major components and their descriptions (continued) Item Description Optical disc drive, slim blank bezel (Pro, SFF) Optical disc drive, slim bezel assembly) (4) Memory modules (UDIMM, 1.2 V, DDR4-3200, NECC): 32 GB 16 GB 8 GB 4 GB Memory modules (UDIMM, 1.2 V, DDR4-
  • HP ProDesk 400 G7 | Maintenance and Service Guide - Page 15
    Table 2-1 Computer major components and their descriptions (continued) Item Description 512 GB, M.2 2280, PCIe, NVMe + 32 GB 3D solid-state drive (8) System chassis (includes drive cage) (9) Fan shroud (10) Speaker (includes cable) (11) PCIe expansion card: AMD® Radeon® RX 550X 4 GB LP
  • HP ProDesk 400 G7 | Maintenance and Service Guide - Page 16
    Table 2-1 Computer major components and their descriptions (continued) Item Description 500 GB, SATA, 7200 RPM, 7.0 mm, FIPS 500 GB, 7200 RPM, 7.0 mm, SED, Opal2 (16) Front bezel Mass storage devices To identify the available hard drives, solid-state drives, and optical drives, use this table
  • HP ProDesk 400 G7 | Maintenance and Service Guide - Page 17
    cables, use this table. Table 2-3 Cables and their descriptions Description Adapters: 2.5 in slim optical disc drive bay adapter (SFF) HP DisplayPort-to-HDMI 2.0 adapter HP DisplayPort-to-HDMI 2.0 adapter USB-to-Serial adapter (Sunix) USB-Type C-to-USB-Type A connector adapter Cables: DisplayPort
  • HP ProDesk 400 G7 | Maintenance and Service Guide - Page 18
    U.S. layout USB PS/2 BFR-PVC washable Windows 8 keyboard USB unbranded keyboard Mouse: HP PS/2 optical mouse HP USB antimicrobial mouse HP USB fingerprint mouse HP USB hardened mouse HP USB laser mouse HP USB mouse HP USB optical mouse USB PS/2 M12 washable mouse ME Power cord (C13) Miscellaneous
  • HP ProDesk 400 G7 | 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 400 G7 | Maintenance and Service Guide - Page 20
    Walking across carpet 7,500 V 15,000 V Walking across vinyl floor 3,000 V 5,000 V Motions of bench worker 400 V 800 V Removing DIPs (dual in-line packages) from plastic tube 400 V 700 V Removing DIPs from vinyl tray 2,000 V 4,000 V Removing DIPs from polystyrene foam 3,500 V 5,000
  • HP ProDesk 400 G7 | 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 400 G7 | Maintenance and Service Guide - Page 22
    materials such as ordinary plastic assembly aids and polystyrene foam. ● Use field service tools, such as cutters, screwdrivers, and vacuums, that are conductive. Recommended materials and equipment HP recommends the these materials and equipment to prevent static electricity. ● Antistatic tape
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    ● 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 400 G7 | 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 400 G7 | Maintenance and Service Guide - Page 25
    ● If you remove a key, use a specially designed key puller to prevent damage to the keys. This tool is available through many electronic supply outlets. IMPORTANT: Never remove a wide leveled key (like the space bar) from the keyboard. If these keys are improperly removed or installed, the keyboard
  • HP ProDesk 400 G7 | Maintenance and Service Guide - Page 26
    incorrect screw during the reassembly process, it can damage the unit. HP strongly recommends that you keep all screws that you remove during disassembly caught or snagged by parts being removed or replaced. IMPORTANT: When servicing this computer, be sure to place cables in their proper location
  • HP ProDesk 400 G7 | Maintenance and Service Guide - Page 27
    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. 7/7 15 100 cm (39.37 in) 400 mV-700 mV 3.3 V, 5 V, 12 V N/A 6.0 Gbps Always use an HP-approved SATA 6.0 Gbps cable because it is
  • HP ProDesk 400 G7 | Maintenance and Service Guide - Page 28
    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 400 G7 | Maintenance and Service Guide - Page 29
    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 400 G7 | Maintenance and Service Guide - Page 30
    Remove the access panel: ▲ Loosen the thumbscrew (1) on the rear of the computer, slide the panel forward (2), and lift it off the computer (3). To install the access panel, reverse the removal procedure. Optical drive To remove the optical drive, use these procedures. Before removing the optical
  • HP ProDesk 400 G7 | Maintenance and Service Guide - Page 31
    by a bezel blank, remove the front bezel (Front bezel on page 23). 4. Install the release latch onto the drive. 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. Connect the power cable and data cable
  • HP ProDesk 400 G7 | Maintenance and Service Guide - Page 32
    1. Prepare the computer for disassembly (Preparation for disassembly on page 21). 2. Remove the access panel (Access panel on page 21). Remove the front bezel: 1. Disengage the three tabs (1) on the top of the front bezel from the system chassis. 2. Swing the top edge of the front bezel (2) away
  • HP ProDesk 400 G7 | Maintenance and Service Guide - Page 33
    16 GB 8 GB 4 GB 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 128 GB of memory configured in a high-performing dual-channel mode. For proper system operation, the
  • HP ProDesk 400 G7 | Maintenance and Service Guide - Page 34
    ● 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 400 G7 | Maintenance and Service Guide - Page 35
    IMPORTANT: You must disconnect the power cord and wait approximately 30 seconds for the power to drain before adding or removing memory modules. Regardless of the power state, voltage is always supplied to the memory modules as long as the computer is plugged into an active AC outlet. Adding or
  • HP ProDesk 400 G7 | Maintenance and Service Guide - Page 36
    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 400 G7 | Maintenance and Service Guide - Page 37
    1. Release the slot cover retention latch (1) that secures the slot covers by lifting the tab on the latch and rotating the latch to the open position. 2. If you are removing a PCI Express ×16 card, pull the retention arm on the back of the expansion socket away from the card (2). 3. Carefully rock
  • HP ProDesk 400 G7 | Maintenance and Service Guide - Page 38
    1. Press the drive cage release button (1) to allow the drive cage to be released. 2. Swing the drive cage (2) up and toward the front of the system chassis. To secure the drive cage, reverse the release procedure. Hard drive To remove the hard drive, use these procedures. Table 4-2 descriptions,
  • HP ProDesk 400 G7 | Maintenance and Service Guide - Page 39
    3. Remove the optical drive (Optical drive on page 22). 4. Remove the front bezel (Front bezel on page 23). 5. Release the drive cage (Drive cage on page 29). Remove the hard drive: 1. Release the hard drive power and data cables from the retention clips (1) and (2) built into the drive cage. 2.
  • HP ProDesk 400 G7 | Maintenance and Service Guide - Page 40
    5. Disconnect the hard drive power cable (1) and data cable (2) from the hard drive. 6. To install a new hard drive, you must transfer the silver and blue isolation mounting guide screws from the old hard drive to the new hard drive. 32 Chapter 4 Removal and replacement procedures ENWW
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    7. 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. 8. Secure the drive to the bay adapter bracket by installing four black M3 adapter bracket screws through the
  • HP ProDesk 400 G7 | Maintenance and Service Guide - Page 42
    9. Install four 6-32 silver-and-blue mounting screws in the adapter bracket (two on each side of the bracket). 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 secured by a white peg
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    To install the speaker, reverse the removal procedures. WLAN module To remove the WLAN module, use these procedures. Table 4-3 WLAN module descriptions Description Intel Wi-Fi 6 AX201 ax 2×2 + Bluetooth 5 non-vPro WW Intel Wi-Fi 6 AX201 ax 2×2 + Bluetooth 5 vPro WW Realtek RTL8821CE ac 1×1 +
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    3. Pull the module to remove it from the socket (3). 4. If the WLAN antenna is not connected to the terminal on the WLAN module, a protective sleeve must be installed on the antenna connector, as shown in the following illustration. To install the WLAN module, reverse the removal procedure. NOTE:
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    Solid-state drive To remove the solid-state drive module, use these procedures. Table 4-4 Solid-state drive module descriptions Description 1 TB, M.2 2280, NVMe, SuperSpeed (SS) solid-state drive with triple layer cell (TLC) 512 GB, M.2 2280, PCIe, NVMe, SS solid-state drive with TLC 512 GB, M.2
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    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. Fan shroud To remove the fan shroud, use these procedures. Before removing the
  • HP ProDesk 400 G7 | Maintenance and Service Guide - Page 47
    2. Remove the fan shroud (2). To install the fan shroud, reverse the removal procedures. Heat sink To remove the heat sink, use these procedures. 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
  • HP ProDesk 400 G7 | Maintenance and Service Guide - Page 48
    2. In the order indicated on the heat sink, loosen the four captive Torx screws (2), and then lift the heat sink out of the computer (3). IMPORTANT: Be sure to loosen the screws in the order indicated by the numbers stamped on the heat sink. IMPORTANT: For optimum thermal performance, be sure not to
  • HP ProDesk 400 G7 | Maintenance and Service Guide - Page 49
    Table 4-5 Processor descriptions (continued) Description Intel Celeron G5920 3.5 GHz, 2 cores, 58 W Intel Celeron G5900 3.4 GHz, 2 cores, 58 W Before removing the processor, follow these steps: 1. Prepare the computer for disassembly (Preparation for disassembly on page 21). 2. Remove the access
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    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. Before removing the power supply, follow these steps: 1. Prepare the computer for
  • HP ProDesk 400 G7 | Maintenance and Service Guide - Page 51
    2. From the computer rear panel, remove the four screws (1) that secure the power supply to the system chassis. 3. From the front of the computer, press and hold the power supply release tab (2). 4. While holding the power supply release tab, slide the power supply (3) toward the front of the
  • HP ProDesk 400 G7 | Maintenance and Service Guide - Page 52
    contacts, or dispose of in fire or water. Replace the battery only with the HP spare part that is designated for this product. IMPORTANT: Before replacing the battery, back system board, complete the following instructions to replace the battery. 44 Chapter 4 Removal and replacement procedures ENWW
  • HP ProDesk 400 G7 | Maintenance and Service Guide - Page 53
    3. Type 1: Lift the battery out of its holder. 4. Slide the replacement battery into position, positive side up. The battery holder automatically secures the battery in the proper position. 5. Type 2: To release the battery from its holder, squeeze the metal clamp that extends above one edge of the
  • HP ProDesk 400 G7 | Maintenance and Service Guide - Page 54
    7. Type 3: Pull back the clip (1) that is holding the battery in place, and remove the battery (2). 8. Insert the new battery and position the clip back into place. System board To remove the system board, use these procedures. NOTE: All system board spare part kits include replacement thermal
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    2. Lift the rear edge of the system board (1) and swing it up and forward until it rests at an angle and clears the system chassis rear panel. 3. Slide the system board (2) up and back at an angle and remove it from the system chassis. To install the system board, reverse the removal procedures.
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    48 Chapter 4 Removal and replacement procedures ENWW
  • HP ProDesk 400 G7 | Maintenance and Service Guide - Page 57
    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 drive self-test
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    ● 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 400 G7 | Maintenance and Service Guide - Page 59
    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 51
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    malfunction, you must manually disable the Smart Cover lock. A key to unlock the Smart Cover Lock is not available from HP. Keys are typically available from a hardware store. Poor performance Use this information to troubleshoot the computer. 52 Chapter 5 Troubleshooting without diagnostics ENWW
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    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 53
  • HP ProDesk 400 G7 | Maintenance and Service Guide - Page 62
    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. 54 Chapter 5 Troubleshooting without diagnostics ENWW
  • HP ProDesk 400 G7 | Maintenance and Service Guide - Page 63
    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
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    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. 56 Chapter 5 Troubleshooting without diagnostics ENWW
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    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 select File Explorer from the list of applications. In the left column, expand This PC, right-click
  • HP ProDesk 400 G7 | Maintenance and Service Guide - Page 66
    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 400 G7 | Maintenance and Service Guide - Page 67
    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 400 G7 | Maintenance and Service Guide - Page 68
    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 400 G7 | Maintenance and Service Guide - Page 69
    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 400 G7 | Maintenance and Service Guide - Page 70
    key + r, type cmd in the Open box, and then select OK. Make the proper network connections to the printer. Run printer self-test. 62 Chapter 5 Troubleshooting without diagnostics ENWW
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    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
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    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. 64 Chapter 5 Troubleshooting without diagnostics ENWW
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    three times and then white two times Use this information to troubleshoot the computer. Cause Memory is installed incorrectly or is bad. Solution be installed before DIMM3. 3. Replace third-party memory with HP memory. 4. Replace the system board. ENWW Solving hardware installation problems 65
  • HP ProDesk 400 G7 | Maintenance and Service Guide - Page 74
    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
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    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 67
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    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. 68 Chapter 5 Troubleshooting without diagnostics ENWW
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    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
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    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. Replace third-party memory with HP memory. 4. Replace the system board. 70 Chapter 5 Troubleshooting without diagnostics ENWW
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    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
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    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 good, the PC light on cookie" is a small piece of information
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    -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
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    74 Chapter 5 Troubleshooting without diagnostics ENWW
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    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 400 G7 | Maintenance and Service Guide - Page 84
    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. 76 Chapter 6 Computer Setup (F10) Utility ENWW
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    ● Born on date ● Serial number ● SKU number ● UUID (Universally Unique Identifier) ● Asset tracking number ● Feature byte ● Build ID ● Product family ● System board ID ● System board CT number ● Panel type ● Panel serial number ● Integrated MAC Address ENWW Computer Setup-Main 77
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    ● Language Update System BIOS Lets you update the system BIOS from www.hp.com or another network server, from a removable USB drive, or from 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
  • HP ProDesk 400 G7 | Maintenance and Service Guide - Page 87
    hp.com copies the BIOS file to the correct location on the hard drive or USB device. Change date and time Lets you update system date and time. Set machine unique data Allows you to set or view data that is unique to each machine, such as feature byte, build ID . NOTE: Support for specific Computer
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    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
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    is intended only for situations when you want forensic analysis before HP SureStart recovery. When this policy is set to manual, HP SureStart will not correct any issues that are found until the local user enters the manual recovery key sequence. This can result in a computer that cannot boot
  • HP ProDesk 400 G7 | Maintenance and Service Guide - Page 90
    Description data loss, HP recommends this setting only ) Intel SGX is a set of processor code instructions from that allows user-level code to allocate private Boot Record (MBR). Instead they use GUID Partition Table (GPT) format, which better supports large hard drives. Enabling this feature
  • HP ProDesk 400 G7 | Maintenance and Service Guide - Page 91
    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
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    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
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    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
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    ™ memory module. Hyperthreading Lets you control processor capability. Default is enabled. Multiprocessor Use this option to disable multiprocessor support under the operating system. Default is enabled. Virtualization Technology (VTx) (Intel only) Controls the virtualization features of the
  • HP ProDesk 400 G7 | Maintenance and Service Guide - Page 95
    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 400 G7 | Maintenance and Service Guide - Page 96
    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
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    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
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    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). 90 Chapter 6 Computer
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    -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,
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    Computer Setup). If the problem persists, replace the RTC battery. See the Removal and Replacement section for instructions on installing a new battery properly. 3. If third-party memory has been added, test using HP-only memory. 4. Verify proper memory module type. 201-Memory Error RAM
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    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
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    panel message 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
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    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 95
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    -second pause. Beeps stop after fifth iteration, but lights continue until problem is solved. Pre-video memory error. IMPORTANT: To avoid damage to a time to isolate the faulty module. 3. Replace third-party memory with HP memory. 4. Replace the system board. Red power light blinks six times,
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    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
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    98 Chapter 7 POST error messages ENWW
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    Password security and resetting CMOS This computer supports two security password features that you can them later. You can back up in Computer Setup or with the BiosConfigUtility tool available from www.hp.com. See Computer Setup (F10) Utility on page 75 for information about backing up the BIOS
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    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 400 G7 | Maintenance and Service Guide - Page 109
    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 products only) Remote HP PC Hardware Diagnostics UEFI, a firmware feature. ENWW 101
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    ▲ Depending on the instructions on the screen, choose one of these options: ● If failure ID link is displayed, select the link and follow the on-screen instructions. ● If instructions for calling support are displayed. Follow those instructions. 102 Chapter 9 Using HP PC Hardware Diagnostics ENWW
  • HP ProDesk 400 G7 | Maintenance and Service Guide - Page 111
    to access it from HP Support Assistant. To access HP PC Hardware Diagnostics Windows from HP Support Assistant: 1. Type support in the taskbar search box, and then select the HP Support Assistant app. - or - Select the question mark icon in the taskbar. 2. Select Troubleshooting and fixes. 3. Select
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    Windows The HP PC Hardware Diagnostics Windows downloading instructions are provided in English only. You must use a Windows computer to download this tool because only .exe files are provided. Downloading the latest HP PC Hardware Diagnostics Windows version from HP To download HP PC Hardware
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    that appears on the next screen. The HP Customer Support - Service Center page appears with your Failure ID and product number automatically filled in. Follow the on-screen instructions. - or - Contact support, and provide the Failure ID code. NOTE: To start diagnostics on a convertible computer
  • HP ProDesk 400 G7 | Maintenance and Service Guide - Page 114
    is damaged. NOTE: The HP PC Hardware Diagnostics UEFI downloading 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 UEFI version
  • HP ProDesk 400 G7 | Maintenance and Service Guide - Page 115
    to your computer. It can then execute the diagnostics on your computer, and it might upload results to a preconfigured server. For more information about Remote HP PC Hardware Diagnostics UEFI, go to http://www.hp.com/go/techcenter/ pcdiags, and then select Find out more. ENWW Using Remote
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    operating system. 3. In the Diagnostics section, follow the on-screen instructions to select and download the Remote UEFI version for the product. Customizing Remote HP PC Hardware Diagnostics UEFI settings Using the Remote HP PC Hardware Diagnostics setting in Computer Setup (BIOS), you can perform
  • HP ProDesk 400 G7 | Maintenance and Service Guide - Page 117
    10 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
  • HP ProDesk 400 G7 | Maintenance and Service Guide - Page 118
    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 page 111
  • HP ProDesk 400 G7 | Maintenance and Service Guide - Page 119
    or manually create restore PC. 3. Recover using HP Recovery media. For more information, see Recovering using HP 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 recover your system: ▲ Insert the HP
  • HP ProDesk 400 G7 | Maintenance and Service Guide - Page 120
    HP Sure Recover, a PC OS recovery solution built into the hardware and software. HP Sure Recover can fully restore the HP OS image without installed recovery software. Using HP latest documentation for HP Sure Recover, go to http://www.hp.com/support. Follow the onscreen instructions to find your
  • HP ProDesk 400 G7 | Maintenance and Service Guide - Page 121
    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 in
  • HP ProDesk 400 G7 | Maintenance and Service Guide - Page 122
    set, select the Security menu and scroll down to the Utilities menu. Select System IDs, and then select Asset Tracking Number. Clear the tag, and then make the selection the data you want to clear, and then follow the on-screen instructions to continue. - or - Clear the contents of the drive using
  • HP ProDesk 400 G7 | Maintenance and Service Guide - Page 123
    you want to clear, and then follow the on-screen instructions to continue. NOTE: The amount of time it takes for table to troubleshooting nonvolatile memory usage. Table 11-1 Troubleshooting steps for select platforms that support HP Sure Start. For more information, see Using HP Sure Start (
  • HP ProDesk 400 G7 | Maintenance and Service Guide - Page 124
    Table 11-1 Troubleshooting steps for nonvolatile memory usage (continued) Nonvolatile memory type , go 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
  • HP ProDesk 400 G7 | Maintenance and Service Guide - Page 125
    Table 11-1 Troubleshooting steps for nonvolatile memory usage (continued) Nonvolatile memory type only) Stores fingerprint templates. Fingerprint reader memory is programmed by user enrollment in HP ProtectTools Security Manager. Only a digitally signed application can make the call to write
  • HP ProDesk 400 G7 | Maintenance and Service Guide - Page 126
    and Exit, and then follow the on-screen instructions. 2. What is a UEFI BIOS, and (OS). It replaces the older BIOS architecture but supports much of the legacy BIOS functionality. Like the ) and advanced firmware management and recovery software. HP has provided options in Computer Setup (BIOS)
  • HP ProDesk 400 G7 | Maintenance and Service Guide - Page 127
    , select Secure Boot, select Clear Secure Boot Keys, and then follow the on-screen instructions to continue. Using HP Sure Start (select products only) Select computer models are configured with HP Sure Start, a technology that continuously monitors your computer's BIOS for attacks or corruption. If
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    120 Chapter 11 Statement of memory volatility ENWW
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    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 400 G7 | Maintenance and Service Guide - Page 130
    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 400 G7 | Maintenance and Service Guide - Page 131
    frequency 50 Hz to 60 Hz Operating line frequency 47 Hz to 63 Hz Standard efficiency 65 W, 87% efficient 1 This system uses an active power factor-corrected power supply. This allows the system to pass the CE mark requirements for use in the countries of the European Union. The active power
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    124 Chapter 13 Specifications ENWW
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    set requirements 121 Customer Support 49 D deleting a problems 64 heat sink removal and replacement 39 heat sink with fan illustrated 5 helpful hints 50 hood sensor illustrated 5 hood sensor module removal and replacement 24 HP PC Hardware Diagnostics UEFI downloading 106 starting 105 using 105 HP PC
  • HP ProDesk 400 G7 | Maintenance and Service Guide - Page 134
    ID locations 3 R rear panel components 2 recovery 109, 111 discs 111 media 111 USB flash drive 111 recovery media 110 creating using HP Cloud Recovery Download Tool 110 creating using Windows tools 110 Remote HP PC service considerations 11, 18 Setup password 99, 100 software problems 73 servicing
  • HP ProDesk 400 G7 | Maintenance and Service Guide - Page 135
    data from volatile 113 system restore 111 system restore point, creating 110 T temperature control 11, 14 tools, servicing 11, 18 Torx T15 screwdriver 11, 18 troubleshooting without diagnostics 49 U using Computer Setup Utilities 75 V ventilation, proper 11, 14 W Windows backup 109 recovery media
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    128 Index ENWW
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Maintenance and Service Guide
SUMMARY
This guide provides information about spare parts, removal and replacement of parts, security, backing up, and more.