HP Pro SFF 400 G9 Desktop PC Maintenance and Service Guide
HP Pro SFF 400 G9 Desktop PC Manual
 |
View all HP Pro SFF 400 G9 Desktop PC manuals
Add to My Manuals
Save this manual to your list of manuals |
HP Pro SFF 400 G9 Desktop PC manual content summary:
- HP Pro SFF 400 G9 Desktop PC | 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 Pro SFF 400 G9 Desktop PC | 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 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 Pro SFF 400 G9 Desktop PC | Maintenance and Service Guide - Page 3
with a disinfectant ...14 Cleaning the computer case...15 Cleaning the keyboard...15 Cleaning the monitor ...16 Cleaning the mouse ...16 Service considerations ...16 Tools and software requirements ...16 Screws...17 Cables and connectors ...17 Hard drives ...17 Lithium coin cell battery...17 - HP Pro SFF 400 G9 Desktop PC | Maintenance and Service Guide - Page 4
...37 Power supply ...38 System board...40 Wireless antennas (select models only)...42 5 Troubleshooting without diagnostics...45 Before you call for technical support ...45 Helpful hints...46 Solving general problems...46 Cannot access the Computer Setup (F10) Utility when booting the computer 47 - HP Pro SFF 400 G9 Desktop PC | Maintenance and Service Guide - Page 5
Keyboard commands and typing are not recognized by the computer 55 Mouse does not respond to movement or is too slow ...56 Solving hardware installation problems...56 A new device is not recognized as part of the system ...56 Computer will not start ...57 Power light blinks red three times and then - HP Pro SFF 400 G9 Desktop PC | Maintenance and Service Guide - Page 6
Solving software problems...63 Computer will not start up and the HP logo does not appear HP PC Hardware Diagnostics Windows from HP Help and Support (select products only 94 Accessing HP PC Hardware Diagnostics Windows from Support Assistant 95 Accessing HP PC Hardware Diagnostics Windows from - HP Pro SFF 400 G9 Desktop PC | Maintenance and Service Guide - Page 7
Using Remote HP PC Hardware Diagnostics UEFI settings (select products only 98 Downloading Remote HP PC Hardware Diagnostics UEFI 98 Downloading the latest Remote HP PC Hardware Diagnostics UEFI version 98 Downloading Remote HP PC Hardware Diagnostics UEFI by product name or number 98 - HP Pro SFF 400 G9 Desktop PC | Maintenance and Service Guide - Page 8
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 the HP Pro small form factor (SFF) 400 G9 Desktop PC in a tower orientation or a desktop orientation. Front panel - HP Pro SFF 400 G9 Desktop PC | Maintenance and Service Guide - Page 9
drive eject button (optional) combo jack NOTE: The combo jack supports headphones, line output devices, microphones, line input devices, CTIA-style the computer displays a diagnostic code to indicate a problem. Rear panel components To identify the rear panel components, use this illustration and - HP Pro SFF 400 G9 Desktop PC | Maintenance and Service Guide - Page 10
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. Serial number location 3 - HP Pro SFF 400 G9 Desktop PC | Maintenance and Service Guide - Page 11
4 Chapter 1 Product features - HP Pro SFF 400 G9 Desktop PC | Maintenance and Service Guide - Page 12
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 Pro SFF 400 G9 Desktop PC | Maintenance and Service Guide - Page 13
Table 2-1 Computer major components and their descriptions (continued) Item Description Slim optical drive bezel Slim optical drive blank bezel (4) Memory module (DDR5-4800, 1.1 V, NECC, UDIMM): 32 GB 16 GB 8 GB 4 GB (5) System board ADL-Q670, MT22 (includes replacement thermal material - HP Pro SFF 400 G9 Desktop PC | Maintenance and Service Guide - Page 14
Table 2-1 Computer major components and their descriptions (continued) Item Description Intel AX211 Wi-Fi 6E + Bluetooth 5.2 M.2 2230 vPro® 160 MHz CNVi WW WLAN Realtek 8852BE Wi-Fi 6 + Bluetooth 5.2 M.2 2230 PCI-e+USB WW WLAN (11) Speaker (12) Hard drive: 2 TB, 7200 rpm, SATA, 3.5 in 1 TB - HP Pro SFF 400 G9 Desktop PC | Maintenance and Service Guide - Page 15
Table 2-2 Mass storage devices and their descriptions (continued) Description 256 GB, M.2 2280, PCIe-3×4, NVMe, SS solid-state drive with TLC 256 GB, M.2 2280, PCIe-3×4, SED solid-state drive with TLC 256 GB, M.2, PCIe, NVMe, value solid-state drive Cables To identify the computer cables, use this - HP Pro SFF 400 G9 Desktop PC | Maintenance and Service Guide - Page 16
Table 2-4 Miscellaneous parts and their descriptions (continued) Description HP USB Type-C-to-DisplayPort adapter HP USB Type-C-to-HDMI 2.0 adapter Intel I225-TI network interface controller (NIC) Mini DisplayPort-to-DisplayPort adapter Optical drive bay adapter USB-to-serial adapter Expansion card: - HP Pro SFF 400 G9 Desktop PC | Maintenance and Service Guide - Page 17
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, AC voltage is always applied to the system board. You must disconnect the power - HP Pro SFF 400 G9 Desktop PC | Maintenance and Service Guide - Page 18
Table 3-1 Static electricity occurrence based on activity and humidity Relative humidity Event 55% 40% 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 - HP Pro SFF 400 G9 Desktop PC | Maintenance and Service Guide - Page 19
dissipative surfaces. ● Keep work area free of nonconductive 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 - HP Pro SFF 400 G9 Desktop PC | Maintenance and Service Guide - Page 20
● Conductive tote boxes ● Opaque shielding bags ● Transparent metallized shielding bags ● Transparent shielding tubes Operating guidelines This information details how to prevent overheating and to help prolong the life of the computer. ● Keep the computer away from excessive moisture, direct - HP Pro SFF 400 G9 Desktop PC | Maintenance and Service Guide - Page 21
● Always unplug the computer before cleaning the keyboard, mouse, or air vents. ● Disconnect the keyboard before cleaning it. ● Wear safety glasses equipped with side shields when cleaning the keyboard. Removing dirt and debris from your computer Here are the recommended steps to clean dirt and - HP Pro SFF 400 G9 Desktop PC | Maintenance and Service Guide - Page 22
2. Turn off your device and unplug the power cord and other connected external devices. Remove any installed batteries from items such as wireless keyboards. CAUTION: To prevent electric shock or damage to components, never clean a product while it is turned on or plugged in. 3. Moisten a microfiber - HP Pro SFF 400 G9 Desktop PC | Maintenance and Service Guide - Page 23
considerations Keep these considerations in mind during the disassembly and assembly of the computer. Tools and software requirements Servicing the computer requires these tools. ● Torx T-15 screwdriver ● Flat-bladed screwdriver (can sometimes be used in place of the Torx screwdriver) ● Phillips - HP Pro SFF 400 G9 Desktop PC | Maintenance and Service Guide - Page 24
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 Pro SFF 400 G9 Desktop PC | Maintenance and Service Guide - Page 25
To replace the lithium coin cell battery, see the appropriate removal and replacement chapter (see Battery on page 21). WARNING! This computer contains a lithium battery. There is a risk of fire and chemical burn if the battery is handled improperly. Do not disassemble, crush, puncture, short - HP Pro SFF 400 G9 Desktop PC | Maintenance and Service Guide - Page 26
● Do not bend any cable sharply. A sharp bend can break the internal wires. ● Never bend a SATA data cable tighter than a 30 mm (1.18 in) radius. ● Never crease a SATA data cable. Cable management 19 - HP Pro SFF 400 G9 Desktop PC | Maintenance and Service Guide - Page 27
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 Pro SFF 400 G9 Desktop PC | Maintenance and Service Guide - Page 28
Remove the access panel: 1. Loosen the thumbscrew (1) on the rear of the computer. 2. Use the tab (2) to slide the access panel backward (3) and lift it off the computer. To install the access panel, reverse the removal procedure. Battery To remove the battery, use these procedures. The battery that - HP Pro SFF 400 G9 Desktop PC | Maintenance and Service Guide - Page 29
(see Access panel on page 20). Remove the battery: Depending on the type of battery holder on the system board, complete the following instructions to replace the battery: 1. Type 1: a. Lift the battery out of its holder. b. Slide the replacement battery into position, with the positive side up - HP Pro SFF 400 G9 Desktop PC | Maintenance and Service Guide - Page 30
d. Push the other edge down until the clamp snaps over the other edge of the battery (2). 3. Type 3: a. Pull back the clip (1) that is holding the battery in place. b. Remove the battery (2). c. Insert the new battery and position the clip back into place. Optical drive To remove the optical drive, - HP Pro SFF 400 G9 Desktop PC | Maintenance and Service Guide - Page 31
1. Prepare the computer for disassembly (see Preparation for disassembly on page 20). 2. Remove the access panel (see Access panel on page 20). Remove the optical drive: 1. Disconnect the power cable (1) and data cable (2) from the rear of the optical drive. 2. Push the green release latch (3) on - HP Pro SFF 400 G9 Desktop PC | Maintenance and Service Guide - Page 32
3. Swing the front bezel (2) down and away from the system chassis. 4. Remove the front bezel. To install the front bezel, reverse the removal procedure. Hard drives To remove the hard drives, use these procedures. The hard drives are located inside the front chassis. Table 4-2 Hard drives and their - HP Pro SFF 400 G9 Desktop PC | Maintenance and Service Guide - Page 33
1. Use the leverage point (1) to swing the front chassis (2) up and toward the front of the computer. 2. Disconnect the hard drive power cable (1) from the hard drive. 3. Disconnect the hard drive data cable (2) from the hard drive. 4. Remove the three Torx15 screws (3) that secure the hard drive to - HP Pro SFF 400 G9 Desktop PC | Maintenance and Service Guide - Page 34
9. Disconnect the drive data cable (4) from the system board. 10. Remove the hard drive drive cables from the computer. To install the hard drive and hard drive cables, reverse the removal procedure. Speaker To remove the speaker, use these procedures. A single speaker is located on the left side of - HP Pro SFF 400 G9 Desktop PC | Maintenance and Service Guide - Page 35
3. Release the speaker clips from the rubber retention posts (3) that are built into the system chassis. 4. Remove the speaker and cable. To install the speaker, reverse the removal procedures. WLAN module To remove the WLAN module, use these procedures. Table 4-3 WLAN module descriptions - HP Pro SFF 400 G9 Desktop PC | Maintenance and Service Guide - Page 36
3. Disconnect the antenna cables from the module (3). 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. 4. Lift the front edge of the WLAN module (4) until it rests at an angle. 5. - HP Pro SFF 400 G9 Desktop PC | Maintenance and Service Guide - Page 37
Table 4-4 Solid-state drives descriptions Description 2 TB, M.2 2280, PCIe, NVMe, solid-state drive with TLC 1 TB, M.2 2280, PCIe-3×4, NVMe, SS solid-state drive with TLC 1 TB, M.2 2280, PCIe, NVMe, value solid-state drive 512 GB, M.2 2280, PCIe-3×4, NVMe, SS solid-state drive with TLC 512 GB, M.2 - HP Pro SFF 400 G9 Desktop PC | Maintenance and Service Guide - Page 38
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 128 GB of memory configured in a high-performing dual-channel mode. For proper system operation - HP Pro SFF 400 G9 Desktop PC | Maintenance and Service Guide - Page 39
● The system operates in a higher-performing dual-channel mode if the total memory capacity of the DIMMs in channel A is equal to the total memory capacity of the DIMMs in channel B. The technology and device width can vary between the channels. For example, if channel A is populated with two 1 GB - HP Pro SFF 400 G9 Desktop PC | Maintenance and Service Guide - Page 40
1. To remove a memory module, open both latches of the memory module socket (1), and then remove the memory module from the socket (2). 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 - HP Pro SFF 400 G9 Desktop PC | Maintenance and Service Guide - Page 41
Expansion card The computer has one PCI Express ×1 expansion socket, two PCI Express ×16 expansion sockets, and one PCI Express ×8 expansion socket. NOTE: You can install a PCI Express ×1, ×8, or ×16 expansion card in the PCI Express ×16 socket. For dual graphics card configurations, install the - HP Pro SFF 400 G9 Desktop PC | Maintenance and Service Guide - Page 42
8. Reassemble and reconfigure the computer, if necessary. Fan vent and hood To remove the fan vent hood, use these procedures. Before removing the fan vent and hood, follow these steps: 1. Prepare the computer for disassembly (see Preparation for disassembly on page 20). 2. Remove the access panel ( - HP Pro SFF 400 G9 Desktop PC | Maintenance and Service Guide - Page 43
5. Remove the fan hood (2). To install the fan vent and hood, reverse the removal procedure. 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 - HP Pro SFF 400 G9 Desktop PC | Maintenance and Service Guide - Page 44
3. Thoroughly clean the thermal material from the surfaces of the heat sink and the system board components each time the heat sink is removed. Replacement thermal material is included with the heat sink and system board spare part kits. IMPORTANT: Tighten heat sink retaining screws in diagonally - HP Pro SFF 400 G9 Desktop PC | Maintenance and Service Guide - Page 45
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. 38 Chapter 4 Removal and replacement procedures - HP Pro SFF 400 G9 Desktop PC | Maintenance and Service Guide - Page 46
Table 4-7 Power supply descriptions Description 240 W, 2 × 12V, 92% efficiency, EPA 180 W, 2 × 12V, 92% efficiency, EPA NOTE: All power supply spare part kits include replacement thermal material. NOTE: System board appearance can vary. Before removing the power supply, follow these steps: 1. - HP Pro SFF 400 G9 Desktop PC | Maintenance and Service Guide - Page 47
8. Slide the power supply toward the front of the system chassis (3), and then remove the power supply (4). To install the power supply, reverse the removal procedures. System board To remove the system board, use these procedures. NOTE: All system board spare part kits include replacement thermal - HP Pro SFF 400 G9 Desktop PC | Maintenance and Service Guide - Page 48
Component (3) (4) (5) (6) (7) Description Drive data cables Drive power cable Power supply P1 cable Speaker cable Power supply P2 cable 2. Remove the five Torx15 screws that secure the system board to the system chassis. System board 41 - HP Pro SFF 400 G9 Desktop PC | Maintenance and Service Guide - Page 49
3. Remove the system board by lifting it straight up. To install the system board, reverse the removal procedures. NOTE: When replacing the system board, you must change the chassis serial number in the BIOS. When replacing the system board, you must reprogram the SMBIOS information about the - HP Pro SFF 400 G9 Desktop PC | Maintenance and Service Guide - Page 50
2. Release the AUX antenna cable from the retention clip (2) that is built into the system chassis. 3. Remove the slotted Torx screw (1) that secures the AUX antenna transceiver to the system chassis. 4. Release the AUX antenna cable through the opening in the system chassis (2). 5. Remove the AUX - HP Pro SFF 400 G9 Desktop PC | Maintenance and Service Guide - Page 51
7. Release the MAIN antenna cable from the routing channel (2) that is built into the system chassis. 8. Press down on the tab (1) on the transceiver cover, and then remove the cover (2) by swinging the top edge down and away from the system chassis. 9. Remove the slotted Torx screw (3) that secures - HP Pro SFF 400 G9 Desktop PC | Maintenance and Service Guide - Page 52
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 Pro SFF 400 G9 Desktop PC | Maintenance and Service Guide - Page 53
● 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 Pro SFF 400 G9 Desktop PC | Maintenance and Service Guide - Page 54
Computer will not respond to keyboard or mouse Use this information to troubleshoot the computer. Cause Computer is in Sleep state. System has locked date and time.) If the problem persists, replace the RTC battery. See the Removal and Replacement section for instructions on installing a new battery - HP Pro SFF 400 G9 Desktop PC | Maintenance and Service Guide - Page 55
, power loss, or computer 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. Cause Processor is too hot - HP Pro SFF 400 G9 Desktop PC | Maintenance and Service Guide - Page 56
the computer. Computer turned off automatically and the 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 turning, or the heat sink is not properly attached to - HP Pro SFF 400 G9 Desktop PC | Maintenance and Service Guide - Page 57
, then replace the power supply. 6. Replace the system board. Solving power problems These tables provide common causes and solutions for power problems. Power supply shuts down intermittently Use this information to troubleshoot the computer. Cause If the computer has a voltage selector, voltage - HP Pro SFF 400 G9 Desktop PC | Maintenance and Service Guide - Page 58
Check. 2. Use a utility to locate and block usage of bad sectors. If necessary, reformat the hard disk. Disk drive transaction problem Use this information to troubleshoot the computer. Power light blinks red four times followed by a two-second pause and the computer beeps four times (Beeps stop - HP Pro SFF 400 G9 Desktop PC | Maintenance and Service Guide - Page 59
it is listed, the probable cause is a driver problem. If it is not listed, the probable cause is a hardware problem. If this is a newly installed drive, run Options. Nonsystem disk/NTLDR missing message Use this information to troubleshoot the computer. Cause The system is trying to start from - HP Pro SFF 400 G9 Desktop PC | Maintenance and Service Guide - Page 60
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 - HP Pro SFF 400 G9 Desktop PC | Maintenance and Service Guide - Page 61
jack to its default value. Solving printer problems 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 - HP Pro SFF 400 G9 Desktop PC | Maintenance and Service Guide - Page 62
If you encounter keyboard or mouse 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 computer. Cause Keyboard connector is - HP Pro SFF 400 G9 Desktop PC | Maintenance and Service Guide - Page 63
not respond to movement or is too slow Use this information to troubleshoot the computer. Cause Mouse connector is not properly plugged into the lose any unsaved data. Follow the instructions that came with the mouse. Solving hardware installation problems You might need to reconfigure the computer - HP Pro SFF 400 G9 Desktop PC | Maintenance and Service Guide - Page 64
the computer system. Reboot the computer and follow the instructions for accepting the changes. Use Windows Device Manager to problems. 3. If you still cannot resolve the issue, contact Customer Support. Power light blinks red three times and then white two times Use this information to troubleshoot - HP Pro SFF 400 G9 Desktop PC | Maintenance and Service Guide - Page 65
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 Pro SFF 400 G9 Desktop PC | Maintenance and Service Guide - Page 66
the cable and device at the other end are operating correctly. Contact an authorized service provider. Diagnostics passes, but the computer does not communicate with the network Use this information to troubleshoot the computer. Cause Network drivers are not loaded, or driver parameters do not - HP Pro SFF 400 G9 Desktop PC | Maintenance and Service Guide - Page 67
authorized service provider. Solving memory problems If you encounter memory problems, memory module. For those systems that support ECC memory, HP does not support mixing ECC and non-ECC memory. Out of memory error Use this information to troubleshoot the computer. Cause You have run out - HP Pro SFF 400 G9 Desktop PC | Maintenance and Service Guide - Page 68
the system board. Solving USB flash drive problems 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 - HP Pro SFF 400 G9 Desktop PC | Maintenance and Service Guide - Page 69
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 Internet Service Provider (ISP) account is not set - HP Pro SFF 400 G9 Desktop PC | Maintenance and Service Guide - Page 70
-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 Pro SFF 400 G9 Desktop PC | Maintenance and Service Guide - Page 71
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 Pro SFF 400 G9 Desktop PC | Maintenance and Service Guide - Page 72
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. Table 6-1 Computer Setup Main Option Description System Information - HP Pro SFF 400 G9 Desktop PC | Maintenance and Service Guide - Page 73
Table 6-1 Computer Setup Main (continued) Option Description ● DIMM size (for each installed module) ● System BIOS version ● ME Firmware version (Intel only) ● Video BIOS version ● Reference code revision ● Super I/O firmware version ● USB Type-C® controller firmware version ● Born on date - HP Pro SFF 400 G9 Desktop PC | Maintenance and Service Guide - Page 74
BIOS version, and updates are not allowed. Native OS Firmware Update Service Allows the operating system to drive firmware updates (for example, Windows BIOS: If selected, Minimum BIOS Version becomes active, which lets you manually enter the minimum BIOS version that you can roll back to. - HP Pro SFF 400 G9 Desktop PC | Maintenance and Service Guide - Page 75
, exits Computer Setup, and reboots. 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. Table 6-2 Computer Setup Security Option Description Create - HP Pro SFF 400 G9 Desktop PC | Maintenance and Service Guide - Page 76
Table 6-2 Computer Setup Security (continued) Option Description Change POST Power-On Password (This selection is active only if a BIOS administrator password is set.) Lets you change the POST power-on password. You must know the current password to be able to change it. Password Policies Let - HP Pro SFF 400 G9 Desktop PC | Maintenance and Service Guide - Page 77
Block on every boot: Select to enable HP Sure Start. Default is disabled. ● 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 Sure Start recovery. When this policy is - HP Pro SFF 400 G9 Desktop PC | Maintenance and Service Guide - Page 78
components. Set this option to disable to support Device Guard. Default is enabled. ● Ready made to system security policy. The user must manually agree to those changes before the change is confirmed Intel SGX is a set of processor code instructions from that allows user-level code to allocate - HP Pro SFF 400 G9 Desktop PC | Maintenance and Service Guide - Page 79
Restore GPT of System Hard Drive Enabling this feature saves the GUID Partition Table (GPT) of the system hard drive. If 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 Pro SFF 400 G9 Desktop PC | Maintenance and Service Guide - Page 80
Computer Setup Advanced This table provides information about the Computer Setup Advanced menu. NOTE: Support for specific Computer Setup options can vary, depending on the hardware configuration. Table 6-3 Computer Setup Advanced (for advanced users) Option Heading Display Language Lets you - HP Pro SFF 400 G9 Desktop PC | Maintenance and Service Guide - Page 81
Table 6-3 Computer Setup Advanced (for advanced users) (continued) Option Heading NOTE: MS-DOS drive lettering assignments might not apply after a non-MS-DOS operating system has started. Shortcut to Temporarily Override Boot Order To boot one time from a device other than the default device - HP Pro SFF 400 G9 Desktop PC | Maintenance and Service Guide - Page 82
(AMD® products only) Enables AMD-V and AMD-Vi virtualization features on AMD-based systems Enhanced Hello Sign-in (systems with supporting hardware for biometric identification only) Allows for secure logon using the Windows Hello feature. DMA Protection Enables DMA redirection using IOMMU for - HP Pro SFF 400 G9 Desktop PC | Maintenance and Service Guide - Page 83
users) (continued) Option Heading Provides ACPI structure to enable HP common software application framework. The driver is provided in the latest HP support software that you can download from the web. NOTE: Device Manager shows an alert if this setting is enabled without the HP application - HP Pro SFF 400 G9 Desktop PC | Maintenance and Service Guide - Page 84
Table 6-3 Computer Setup Advanced (for advanced users) (continued) Option Heading Clear to disable the integrated microphone. This does not affect devices plugged into audio jacks. The disable and lock setting prevents other audio ports from being remapped to the microphone function in the - HP Pro SFF 400 G9 Desktop PC | Maintenance and Service Guide - Page 85
Table 6-3 Computer Setup Advanced (for advanced users) (continued) Option Heading Serial Port Voltage (Retail Point-of-Sale models only; ports vary by model) Lets you configure powered serial port voltage selection on RPOS units that include this feature. Default is 0 Volts. ● 0 Volts ● 5 Volts - HP Pro SFF 400 G9 Desktop PC | Maintenance and Service Guide - Page 86
Key Provisioning Support Enables AMT provisioning using a USB storage device. Default is disabled. USB Redirection Support USB redirection CIRA Timeout (min.) CIRA is Customer Initiated Remote Assistance, an Intel service to help users employing Active Management Technology (AMT). Default is 1. - HP Pro SFF 400 G9 Desktop PC | Maintenance and Service Guide - Page 87
-express interface, thus any Thunderbolt device that requires PCI-Express will not function correctly. Native PCIe Hot Plug Enables hot plug support to the system PCI-Express bus. Remote HP PC Hardware Diagnostics Settings Sets the configuration for Remote HP PC Hardware Diagnostics, including - HP Pro SFF 400 G9 Desktop PC | Maintenance and Service Guide - Page 88
-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 Pro SFF 400 G9 Desktop PC | Maintenance and Service Guide - Page 89
Control Panel (Computer Setup can also be used). If the problem persists, replace the RTC battery. See the Removal and Replacement section for instructions on installing a new battery. 008-Microcode Patch Error Processor is not supported by the BIOS. 1. Upgrade BIOS to proper version. 2. Change - HP Pro SFF 400 G9 Desktop PC | Maintenance and Service Guide - Page 90
that each channel has the same amount of memory. 2E5-ECC Memory Module Detected on Unsupported Platform Recently added memory modules support ECC memory error correction. 1. If additional memory was recently added, remove it to see if the problem remains. POST numeric codes and text messages 83 - HP Pro SFF 400 G9 Desktop PC | Maintenance and Service Guide - Page 91
board. User Diagnostics (f2 during boot-up) might help identify any problem with specific devices. 301-Hard Disk 1: SMART Hard Drive Detects Imminent Failure drive firmware patch if applicable. (Available at http://www.hp.com/support.) 3. Back up contents and replace hard drive. 3F0-Boot Device - HP Pro SFF 400 G9 Desktop PC | Maintenance and Service Guide - Page 92
an option ROM too large to download during remove it to see if the problem remains. POST. 41A-Front USB1/USB2 Not Connected Front USB cable has been detached Not Supported The system has detected a wireless module Replace with a supported module. installed in the system that is not supported and - HP Pro SFF 400 G9 Desktop PC | Maintenance and Service Guide - Page 93
Table 7-1 POST numeric codes and text messages (continued) Control panel message Description Recommended action 801-Keyboard or System Unit Error Keyboard failure. 1. Reconnect the keyboard with computer turned off. 2. Be sure that none of the keys are pressed. 3. Replace the keyboard. 4. - HP Pro SFF 400 G9 Desktop PC | Maintenance and Service Guide - Page 94
Interpreting POST diagnostic front panel lights and audible codes This section identifies the front panel light codes as well as the audible codes that can occur before or during POST that might not have an error code or text message associated with them. CAUTION: When the computer is plugged into - HP Pro SFF 400 G9 Desktop PC | Maintenance and Service Guide - Page 95
graphics initialization. 3.4 The system board displays a power failure (crowbar).* 3.5 The processor is not detected.* 3.6 The processor does not support an enabled feature. Thermal 3.7 The access panel/top cover has been opened since last boot. 4.2 A processor over temperature condition - HP Pro SFF 400 G9 Desktop PC | Maintenance and Service Guide - Page 96
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 Pro SFF 400 G9 Desktop PC | Maintenance and Service Guide - Page 97
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 Pro SFF 400 G9 Desktop PC | Maintenance and Service Guide - Page 98
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 Pro SFF 400 G9 Desktop PC | Maintenance and Service Guide - Page 99
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 Pro SFF 400 G9 Desktop PC | Maintenance and Service Guide - Page 100
drive from which you want to boot, and then follow the on-screen instructions. Using HP Sure Recover (select products only) Select computer models are configured with Recover, go to http://www.hp.com/support. Follow the on-screen instructions to find your product and locate your documentation. Changing - HP Pro SFF 400 G9 Desktop PC | Maintenance and Service Guide - Page 101
, or audio and video palette, you must perform troubleshooting steps before you can receive a failure ID. ▲ receive a failure ID: ● Select Next to open the Event Automation Service (EAS) page, where you can log the case. - or and send it to support. Accessing HP PC Hardware Diagnostics Windows After HP PC - HP Pro SFF 400 G9 Desktop PC | Maintenance and Service Guide - Page 102
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 you want to run, and then follow the on-screen instructions. NOTE: To stop a diagnostic test, select Cancel. - HP Pro SFF 400 G9 Desktop PC | Maintenance and Service Guide - Page 103
the product name or number. 1. Go to http://www.hp.com/support. 2. Select Software and Drivers, select your type of product, and select Download, and then follow the on-screen instructions to select the specific Windows diagnostics version to be problem: 96 Chapter 10 Using HP PC Hardware Diagnostics - HP Pro SFF 400 G9 Desktop PC | Maintenance and Service Guide - Page 104
scan the failure ID code 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 - HP Pro SFF 400 G9 Desktop PC | Maintenance and Service Guide - Page 105
the product name or number. 1. Go to http://www.hp.com/support. 2. Enter the product name or number, select your computer, and then select your operating system. 3. In the Diagnostics section, follow the on-screen instructions to select and download the specific UEFI Diagnostics version for your - HP Pro SFF 400 G9 Desktop PC | Maintenance and Service Guide - Page 106
● Set a schedule for running diagnostics unattended. You can also start diagnostics immediately in interactive mode by selecting Execute Remote HP PC Hardware Diagnostics. ● Set the location for downloading the diagnostic tools. This feature provides access to the tools from the HP website or from a - HP Pro SFF 400 G9 Desktop PC | Maintenance and Service Guide - Page 107
Table 10-1 DC power specifications Input Power Rating 5 V dc @ 3 A / 9 V dc @ 3 A / 10 V dc @ 5 A / 12 V dc @ 5 A / 15 V dc @ 5 A / 20 V dc @ 4.5 A - 90 W USB-C 19.5 V dc @ 2.31 A - 45 W 19.5 V dc @ 3.33 A - 65 W 19.5 V dc @ 4.62 A - 90 W 19.5 V dc @ 6.15 A - 120 W 19.5 V dc @ 6.9 A - 135 W 19.5 V - HP Pro SFF 400 G9 Desktop PC | Maintenance and Service Guide - Page 108
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 Pro SFF 400 G9 Desktop PC | Maintenance and Service Guide - Page 109
Utilities. d. Under Utilities, select Secure Erase, select the hard drive storing the data you want to clear, and then follow the on-screen instructions to continue. - or - Clear the contents of the drive using the following Disk Sanitizer commands steps: i. Turn on or restart the computer, and - HP Pro SFF 400 G9 Desktop PC | Maintenance and Service Guide - Page 110
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 Pro SFF 400 G9 Desktop PC | Maintenance and Service Guide - Page 111
11-1 Troubleshooting steps for go to http://www.hp.com/ support. Select Find your product, and then follow the on-screen instructions. Intel 1.5 MB or 7 Yes using product for store contents can be this utility. manuals and populated by a remote specific product management console or - HP Pro SFF 400 G9 Desktop PC | Maintenance and Service Guide - Page 112
-screen instructions. 2. What is a UEFI BIOS, and how is it different from a legacy BIOS? The Unified Extensible Firmware Interface (UEFI) BIOS is an industry-standard software interface between the platform firmware and an operating system (OS). It replaces the older BIOS architecture but supports - HP Pro SFF 400 G9 Desktop PC | Maintenance and Service Guide - Page 113
. a. Turn on or restart the computer, and then quickly press 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, and then follow the on-screen - HP Pro SFF 400 G9 Desktop PC | Maintenance and Service Guide - Page 114
Start default configuration. Advanced users can customize the default configuration. To access the latest documentation on HP Sure Start, go to http://www.hp.com/support. Using HP Sure Start (select products only) 107 - HP Pro SFF 400 G9 Desktop PC | Maintenance and Service Guide - Page 115
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 power - HP Pro SFF 400 G9 Desktop PC | Maintenance and Service Guide - Page 116
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 Pro SFF 400 G9 Desktop PC | Maintenance and Service Guide - Page 117
13 Specifications This section provides specifications for your computer. Table 13-1 Specifications Metric U.S. Dimensions: Height 95 mm 3.7 in Width 270 mm 10.6 in Depth 303 mm 11.9 in Approximate weight: Basic configuration 3.9 kg 8.6 lb Maximum configuration 4.9 kg 10.8 lb - HP Pro SFF 400 G9 Desktop PC | Maintenance and Service Guide - Page 118
Table 13-1 Specifications (continued) Metric U.S. 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 factor-corrected - HP Pro SFF 400 G9 Desktop PC | Maintenance and Service Guide - Page 119
73 antenna illustrated 5 removal and replacement 42 audible codes 87 audio problems 53 B backup, creating 91 backups 91 battery disposal 10, 16 menu 68 Computer Setup Utility 64 country power cord set requirements 108 Customer Support 45 D deleting a Power-On password 90 deleting a Setup password 90 - HP Pro SFF 400 G9 Desktop PC | Maintenance and Service Guide - Page 120
removal and replacement 38 Power-On password 89, 90 printer problems 54 problems audio 53 Computer Setup 46 F10 Setup 46 flash drive 61 91 T temperature control 10, 13 tools, servicing 10, 16 Torx T15 screwdriver 10, 16 troubleshooting without diagnostics 45 U using Computer Setup Utilities 64 - HP Pro SFF 400 G9 Desktop PC | Maintenance and Service Guide - Page 121
WLAN module illustrated 5 removal and replacement 28 WLAN module antenna illustrated 5 removal and replacement 42 114 Index
-
1 -
2 -
3 -
4 -
5 -
6 -
7 -
8
-
9
-
10
-
11
-
12
-
13
-
14
-
15
-
16
-
17
-
18
-
19
-
20
-
21
-
22
-
23
-
24
-
25
-
26
-
27
-
28
-
29
-
30
-
31
-
32
-
33
-
34
-
35
-
36
-
37
-
38
-
39
-
40
-
41
-
42
-
43
-
44
-
45
-
46
-
47
-
48
-
49
-
50
-
51
-
52
-
53
-
54
-
55
-
56
-
57
-
58
-
59
-
60
-
61
-
62
-
63
-
64
-
65
-
66
-
67
-
68
-
69
-
70
-
71
-
72
-
73
-
74
-
75
-
76
-
77
-
78
-
79
-
80
-
81
-
82
-
83
-
84
-
85
-
86
-
87
-
88
-
89
-
90
-
91
-
92
-
93
-
94
-
95
-
96
-
97
-
98
-
99
-
100
-
101
-
102
-
103
-
104
-
105
-
106
-
107
-
108
-
109
-
110
-
111
-
112
-
113
-
114
-
115
-
116
-
117
-
118
-
119
-
120
-
121
 |
 |
Maintenance and Service Guide
SUMMARY
This guide provides information about spare parts, removal and replacement of parts, security, backing up, and more.