HP ProDesk 400 G2 Maintenance and Service Guide

HP ProDesk 400 G2 Manual

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  • HP ProDesk 400 G2 | Maintenance and Service Guide - Page 1
    Maintenance and Service Guide HP EliteDesk 800 G2 Desktop Mini HP EliteDesk 705 G2 Desktop Mini HP ProDesk 600 G2 Desktop Mini HP ProDesk 400 G2 Desktop Mini HP MP9 G2 Retail System
  • HP ProDesk 400 G2 | Maintenance and Service Guide - Page 2
    and services. Nothing herein should be construed as constituting an additional warranty. HP shall not be liable for technical or editorial errors or omissions contained herein. Second Edition (July 2016) First Edition (October 2016) Document Part Number: 822871-002 Product notice This user guide
  • HP ProDesk 400 G2 | Maintenance and Service Guide - Page 3
    Safety warning notice WARNING! To reduce the possibility of heat-related injuries or of overheating the device, do not place the device directly on your lap or obstruct the device air vents. Use the device only on a hard, flat surface. Do not allow another hard surface, such as an adjoining optional
  • HP ProDesk 400 G2 | Maintenance and Service Guide - Page 4
    iv Safety warning notice
  • HP ProDesk 400 G2 | Maintenance and Service Guide - Page 5
    EliteDesk 800, ProDesk 600, and HP MP9 1 Front panel components (EliteDesk 705 and ProDesk 400 2 Rear panel components (EliteDesk 800, EliteDesk 705, ProDesk 600, and HP MP9 3 Rear panel components (ProDesk 400) ...4 Serial number location ...5 2 Illustrated parts catalog ...6 Desktop Mini Service
  • HP ProDesk 400 G2 | Maintenance and Service Guide - Page 6
    ...39 SODIMMs ...39 SODIMM specifications ...39 Populating SODIMM sockets ...40 Replacing SODIMMs ...41 Heat sink ...43 Processor - Intel models ...45 Speaker ...47 Expansion connector board ...48 System board ...49 System board callouts, EliteDesk 800, ProDesk 600, and HP MP9 Retail System 51
  • HP ProDesk 400 G2 | Maintenance and Service Guide - Page 7
    Troubleshooting without diagnostics ...71 Safety and comfort ...71 Before you call for technical support ...71 Helpful hints ...72 Solving general problems ...73 Solving power problems ...77 Solving hard drive problems HP PC Hardware Diagnostics (UEFI)HP PC Hardware Diagnostics 114 Downloading HP PC
  • HP ProDesk 400 G2 | Maintenance and Service Guide - Page 8
    recovery media (select models only 127 Using HP Recovery Disc operating system discs (select models only 128 Appendix A Power Cord Set Requirements ...130 General Requirements ...130 Japanese Power Cord Requirements ...130 Country-Specific Requirements ...131 Appendix B Statement of Volatility
  • HP ProDesk 400 G2 | Maintenance and Service Guide - Page 9
    can be used in a tower orientation or a desktop orientation. The tower stand is sold separately. CAUTION . Front panel components (EliteDesk 800, ProDesk 600, and HP MP9) NOTE: Your computer is on. If it is flashing red, there is a problem with the computer and it is displaying a diagnostic code.
  • HP ProDesk 400 G2 | Maintenance and Service Guide - Page 10
    Front panel components (EliteDesk 705 and ProDesk 400) NOTE: Your computer model may look Light is normally white when the power is on. If it is flashing red, there is a problem with the computer and it is displaying a diagnostic code. Refer to the Interpreting system validation diagnostic front
  • HP ProDesk 400 G2 | Maintenance and Service Guide - Page 11
    blue) USB 3.0 Ports (2) (blue) with support for wake from S4/S5 power states (not for 705 models) NOTE: On 705 models this is a USB 2.0 port that supports only the S4 power state. RJ-45 Network Connector Power Connector Rear panel components (EliteDesk 800, EliteDesk 705, ProDesk 600, and HP MP9) 3
  • HP ProDesk 400 G2 | Maintenance and Service Guide - Page 12
    Connector (optional) 12 6 Wireless antenna 13 7 DisplayPort Monitor Connector Component VGA Monitor Connector Serial Port USB 3.0 Ports (2) (blue) with support for wake from S4/S5 power states USB 2.0 Connectors (2) (black) RJ-45 Network Connector Power Connector 4 Chapter 1 Product features
  • HP ProDesk 400 G2 | Maintenance and Service Guide - Page 13
    Serial number location Each computer has a unique serial number and a product ID number that are located on the exterior of the computer. Keep these numbers available for use when contacting customer service for assistance. Serial number location 5
  • HP ProDesk 400 G2 | Maintenance and Service Guide - Page 14
    parts catalog Desktop Mini (DM) chassis spare parts NOTE: HP continually improves and changes product parts. For complete and current information on supported parts for your computer, go to http://partsurfer.hp.com, select your country or region, and then follow the on-screen instructions. Computer
  • HP ProDesk 400 G2 | Maintenance and Service Guide - Page 15
    (MP9 G2 models only) * AMD Processors (705 models; not replaceable) AMD PRO A12 APU with AMD Radeon™ R7 HD Graphics AMD PRO A10 APU with AMD Radeon R7 HD Graphics AMD PRO A8 APU with AMD Radeon R6 HD Graphics AMD PRO A6 APU with AMD Radeon R5 HD Graphics Desktop Mini (DM
  • HP ProDesk 400 G2 | Maintenance and Service Guide - Page 16
    Cables Item Description (1) SATA cable/connector * Adapter, DisplayPort to HDMI 1.4 * Adapter, DisplayPort to VGA * Adapter, DisplayPort to DVI * Adapter, USB-C to USB 3.0 (800, 600, MP9 models) * DisplayPort cable * USB to serial adapter 8 Chapter 2 Illustrated parts catalog
  • HP ProDesk 400 G2 | Maintenance and Service Guide - Page 17
    EliteDesk 800 and MP9, 65W models) (4) Speaker (5) Power switch/light cover (6) Option board, HDMI (7) Option board, serial port * Option board, DisplayPort (not illstrated) (8) Thermal sensor (9) Hood sensor assembly * Stand * Port cover * HP Ultraslim Keyed Cable Lock Desktop
  • HP ProDesk 400 G2 | Maintenance and Service Guide - Page 18
    : Intel Dual Band Wireless-AC 7265 NV Intel Dual Band Wireless-AC 8260 + Bluetooth 4.0 Intel Dual Band Wireless-AC 3165 + Bluetooth 4.0 HP WLAN 802.11 a/b/g/n + Bluetooth 4.0 * Antenna, dual band dipole, 802.11a/b/g/n + Velcro * External antenna kit * Expansion Module Kit Hard drive
  • HP ProDesk 400 G2 | Maintenance and Service Guide - Page 19
    ), PCIe, 2280SS 128 GB solid-state drive (SSD), PCIe, 2280, NVMe 128 GB solid-state drive (SSD), PCIe, 2280SS External optical drive 8x DVD drive Desktop Mini (DM) chassis spare parts 11
  • HP ProDesk 400 G2 | Maintenance and Service Guide - Page 20
    described in this chapter is essential for proper service. CAUTION: When the computer is plugged into 7,000 V 5,000 V These are then multi-packaged inside plastic tubes, trays, or Styrofoam. 40% 15,000 V 5,000 V 800 V 700 V 4,000 V 5,000 V 20,000 V 11,000 V 10% 35,000 V 12,000 V 6,000 V
  • HP ProDesk 400 G2 | Maintenance and Service Guide - Page 21
    when fixtures must directly contact dissipative surfaces. ● Keep work area free of nonconductive materials such as ordinary plastic assembly aids and Styrofoam. ● Use field service tools, such as cutters, screwdrivers, and vacuums, that are conductive. Electrostatic discharge information 13
  • HP ProDesk 400 G2 | Maintenance and Service Guide - Page 22
    table or floor mats with hard tie to ground ● Field service kits ● Static awareness labels ● Wrist straps and footwear straps the keyboard, with the keyboard feet down, directly against the front of the desktop unit as this also restricts airflow. ● Occasionally clean the air vents on all
  • HP ProDesk 400 G2 | Maintenance and Service Guide - Page 23
    Routine care General cleaning safety precautions 1. Never use solvents or flammable solutions to clean the computer. 2. Never immerse any parts in water or cleaning solutions; apply any liquids to a clean cloth and then use the cloth on the component. 3. Always unplug the computer when cleaning with
  • HP ProDesk 400 G2 | Maintenance and Service Guide - Page 24
    , follow the procedures in Cleaning the Computer Case on page 15. Service considerations Listed below are some of the considerations that you should keep is used during the reassembly process, it can damage the unit. HP strongly recommends that all screws removed during disassembly be kept with the
  • HP ProDesk 400 G2 | Maintenance and Service Guide - Page 25
    parts being removed or replaced. CAUTION: When servicing this computer, ensure that cables are placed chassis you are working on in this guide for instructions on the replacement procedures. WARNING! This public collection system or return them to HP, their authorized partners, or their agents.
  • HP ProDesk 400 G2 | Maintenance and Service Guide - Page 26
    700 mV 3.3 V, 5 V, 12 V N/A 6.0 Gb/s SATA hard drive cables SATA data cable Always use an HP approved SATA 6.0 Gb/s cable as it is fully backwards compatible with the SATA 1.5 Gb/s drives. Current HP desktop products ship with SATA 6.0 Gb/s hard drives. SATA data cables are susceptible to damage if
  • HP ProDesk 400 G2 | Maintenance and Service Guide - Page 27
    Cable management Always follow good cable management practices when working inside the computer. ● Keep cables away from major heat sources like the heat sink. ● Do not jam cables on top of expansion cards or memory modules. Printed circuit cards like these are not designed to take excessive
  • HP ProDesk 400 G2 | Maintenance and Service Guide - Page 28
    in this guide are available on all computers. NOTE: HP continually improves and changes product parts. For complete and current information on supported parts for your computer, go to http://partsurfer.hp.com, select your country or region, and then follow the on-screen instructions. Preparation for
  • HP ProDesk 400 G2 | Maintenance and Service Guide - Page 29
    Top cover 1. Prepare the computer for disassembly (Preparation for disassembly on page 20). 2. Loosen the thumbscrew on the rear of the computer (1). 3. Slide the panel forward and lift if off the computer (2). NOTE: Your computer model may look slightly different from the illustration in this
  • HP ProDesk 400 G2 | Maintenance and Service Guide - Page 30
    of the bezel (2). 6. Remove the bezel from the top cover. To install the front bezel, reverse the removal procedure. 22 Chapter 4 Removal and replacement procedures - desktop mini (DM) chassis
  • HP ProDesk 400 G2 | Maintenance and Service Guide - Page 31
    Hard drive Description Hard drives 2 TB, 5400 rpm, hard drive, 2.5-inch 1 TB, 7200 rpm, hard drive, 2.5-inch 1 TB, 7200 rpm, hard drive, 2.5-inch, SSHD (hybrid SSD) 500 GB, 7200 rpm hard drive, 2.5-inch 500 GB, 2.5-inch, SSHD (hybrid SSD) 500 GB, 7200 rpm hard drive, 2.5-inch, OPAL 2, SED 500 GB,
  • HP ProDesk 400 G2 | Maintenance and Service Guide - Page 32
    blue isolation mounting guide screws from the old HDD to the new HDD. 6. Align the guide screws with the slots on the chassis drive cage, press the HDD down into the cage, then slide it forward until it stops and locks in place (1). 24 Chapter 4 Removal and replacement procedures - desktop mini (DM
  • HP ProDesk 400 G2 | Maintenance and Service Guide - Page 33
    7. Connect the HDD power and data cable (2) to the HDD. Reverse this procedure to replace the hard drive. Hard drive 25
  • HP ProDesk 400 G2 | Maintenance and Service Guide - Page 34
    Secondary fan (EliteDesk 800 and MP9 models only) HP EliteDesk 800 G2 and HP MP9 G2 Retail System models include a secondary fan installed under the hard drive. 1. Prepare the secondary fan, reverse the removal procedure. 26 Chapter 4 Removal and replacement procedures - desktop mini (DM) chassis
  • HP ProDesk 400 G2 | Maintenance and Service Guide - Page 35
    Drive cage The drive cage is located next to the heat sink. The drive cage is secured with three Phillips screws. 1. Prepare the computer for disassembly (Preparation for disassembly on page 20). 2. Remove the top cover (Top cover on page 21). 3. Remove the hard drive (Hard drive on page 23). 4.
  • HP ProDesk 400 G2 | Maintenance and Service Guide - Page 36
    the hard drive (Hard drive on page 23). 4. If your model is an EliteDesk 800 or MP9, remove the secondary fan (Secondary fan (EliteDesk 800 and MP9 models only) on page 26). 5. Remove the hard drive cage (Drive the socket. 28 Chapter 4 Removal and replacement procedures - desktop mini (DM) chassis
  • HP ProDesk 400 G2 | Maintenance and Service Guide - Page 37
    11. Press the SSD down to the system board and use the included screw to secure the SSD. M.2 PCIe solid state drive (SSD) 29
  • HP ProDesk 400 G2 | Maintenance and Service Guide - Page 38
    Bluetooth 4.0 Intel Dual Band Wireless-AC 3165 + Bluetooth 4.0 HP WLAN 802.11 a/b/g/n + Bluetooth 4.0 The WLAN module is on page 23). 4. If your model is an EliteDesk 800 or MP9, remove the secondary fan (Secondary fan (EliteDesk 800 and MP9 models only) on page 26). 5. desktop mini (DM) chassis
  • HP ProDesk 400 G2 | Maintenance and Service Guide - Page 39
    12. Attach the internal antenna to the antenna connectors (3) on the WLAN module. To install the WLAN module, reverse the removal procedure. NOTE: WLAN modules are designed with a notch to prevent incorrect insertion. WLAN module 31
  • HP ProDesk 400 G2 | Maintenance and Service Guide - Page 40
    is an EliteDesk 800 or MP9, remove the secondary fan (Secondary fan (EliteDesk 800 and MP9 models only) on page 26). 5. Remove the drive cage (Drive cage on page 27). 6. Locate the WLAN module on the system board. 7. Disconnect the internal antennae from the WLAN module. For instructions, see WLAN
  • HP ProDesk 400 G2 | Maintenance and Service Guide - Page 41
    9. Insert a Phillips screwdriver in each knock-out feature and rotate to remove the blank. 10. Feed the external antenna cable through each hole and screw the antenna into position. 11. Connect the external antenna cables to the WLAN module. Reverse the removal procedure to install the WLAN antennas
  • HP ProDesk 400 G2 | Maintenance and Service Guide - Page 42
    Replace the battery only with the HP spare designated for this product. EliteDesk 800 or MP9, remove the secondary fan (Secondary fan (EliteDesk 800 and MP9 models only) on page 26). 5. Remove the hard drive cage (Drive cage on page 27). 34 Chapter 4 Removal and replacement procedures - desktop mini
  • HP ProDesk 400 G2 | Maintenance and Service Guide - Page 43
    6. Locate the battery and battery holder on the system board. NOTE: You may need to use a small tool, such as tweezers or needle-nose pliers, to remove and replace the battery. 7. Lift the battery out of the holder. 8. Slide the replacement battery into position, positive side up. The battery holder
  • HP ProDesk 400 G2 | Maintenance and Service Guide - Page 44
    the hard drive (Hard drive on page 23). 4. If your model is an EliteDesk 800 or MP9, remove the secondary fan (Secondary fan (EliteDesk 800 and MP9 models only) on page 26). 5. Remove the drive cage (Drive removal procedures. 36 Chapter 4 Removal and replacement procedures - desktop mini (DM) chassis
  • HP ProDesk 400 G2 | Maintenance and Service Guide - Page 45
    Fan The fan sits between the fan sink and the front of the computer. 1. Prepare the computer for disassembly (Preparation for disassembly on page 20). 2. Remove the top cover (Top cover on page 21). 3. Lift the tab on the outer edge of the fan and rotate the fan upward. 4. Disconnect the fan plug
  • HP ProDesk 400 G2 | Maintenance and Service Guide - Page 46
    computer and lift it off the system board. To install the power switch/light cover, reverse the removal procedure. 38 Chapter 4 Removal and replacement procedures - desktop mini (DM) chassis
  • HP ProDesk 400 G2 | Maintenance and Service Guide - Page 47
    least one preinstalled SODIMM. To achieve the maximum memory support, you can populate the system board with up to 32 GB (EliteDesk 800, ProDesk 600, and HP MP9) or 16 GB (EliteDesk 705 and ProDesk 400) of memory. SODIMM specifications For proper system operation, the SODIMMs must meet the following
  • HP ProDesk 400 G2 | Maintenance and Service Guide - Page 48
    HP offers upgrade memory for this computer and advises that the consumer purchase it to avoid compatibility issues with unsupported any mode, the maximum operational speed is determined by the slowest SODIMM in the system. 40 Chapter 4 Removal and replacement procedures - desktop mini (DM) chassis
  • HP ProDesk 400 G2 | Maintenance and Service Guide - Page 49
    Replacing SODIMMs CAUTION: 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-on state, voltage is always supplied to the memory modules as long as the computer is plugged into an active AC
  • HP ProDesk 400 G2 | Maintenance and Service Guide - Page 50
    the tab on the memory socket. The computer automatically recognizes the additional memory when you turn on the computer. 42 Chapter 4 Removal and replacement procedures - desktop mini (DM) chassis
  • HP ProDesk 400 G2 | Maintenance and Service Guide - Page 51
    Heat sink The heat sink is secured with four captive Torx screws. order indicated on the heat sink. 1. Prepare the computer for disassembly (Preparation for disassembly on page 20). 2. Remove the top cover (Top cover on page 21). 3. Remove the fan (Fan on page 37). 4. In the order indicated on the
  • HP ProDesk 400 G2 | Maintenance and Service Guide - Page 52
    44 Chapter 4 Removal and replacement procedures - desktop mini (DM) chassis
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    Intel Core i3-6300T Intel Core i3-6100T Intel Pentium G4500T Intel Pentium G4400T Intel Pentium G4400TE (MP9 G2 models only) Intel Celeron G3900T Intel Pentium G3900TE (MP9 G2 models only) 1. Prepare the computer for disassembly (Preparation for disassembly on page 20). 2. Remove the top cover (Top
  • HP ProDesk 400 G2 | Maintenance and Service Guide - Page 54
    latest version of the BIOS is being used on the computer. The latest system BIOS can be found on the Web at: http://h18000.www1.hp.com/support/files. 46 Chapter 4 Removal and replacement procedures - desktop mini (DM) chassis
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    Speaker 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 that you pull out to release. To remove the speaker: 1. Prepare the computer for disassembly (Preparation for disassembly on page 20). 2. Remove the top cover
  • HP ProDesk 400 G2 | Maintenance and Service Guide - Page 56
    then remove the expansion connector board from the computer. To install the expansion connector board, reverse the removal procedures. 48 Chapter 4 Removal and replacement procedures - desktop mini (DM) chassis
  • HP ProDesk 400 G2 | Maintenance and Service Guide - Page 57
    top cover (Top cover on page 21). 3. Remove the hard drive (Hard drive on page 23). 4. If your model is an EliteDesk 800 or MP9, remove the secondary fan (Secondary fan (EliteDesk 800 and MP9 models only) on page 26). 5. Remove the drive cage (Drive cage on page 27). 6. Remove the fan (Fan on
  • HP ProDesk 400 G2 | Maintenance and Service Guide - Page 58
    the Serial Number of Unit. Support Enter the SKU or Product Number including Support Localization Code. Enter the 18-byte identifier assigned to the Support computer. Enter the Feature Byte of the unit. Flexbuild 50 Chapter 4 Removal and replacement procedures - desktop mini (DM) chassis
  • HP ProDesk 400 G2 | Maintenance and Service Guide - Page 59
    System board callouts, EliteDesk 800, ProDesk 600, and HP MP9 Retail System Sys Bd Label SPKR HSENSE THERM SSD WLAN BAT PSWD CMOS Color White White Component Speaker connector Hood sensor connector White Thermal
  • HP ProDesk 400 G2 | Maintenance and Service Guide - Page 60
    System board callouts, EliteDesk 705 Sys Bd Label SPKR HSENSE THERM SSD WLAN BAT Color White White White Black Black Black connector Black Secondary memory socket Black Primary memory socket White Fan connector 52 Chapter 4 Removal and replacement procedures - desktop mini (DM) chassis
  • HP ProDesk 400 G2 | Maintenance and Service Guide - Page 61
    System board callouts, ProDesk 400 Sys Bd Label DIMM3 DIMM1 CPUFAN SPKR HSENSE THERM SSD Color Black Black White White White White Black Component Secondary memory socket Primary memory socket Fan connector Speaker connector Hood sensor connector Thermal sensor Solid-state module socket Sys Bd
  • HP ProDesk 400 G2 | Maintenance and Service Guide - Page 62
    Remove the hard drive (Hard drive on page 23). 4. If your model is an EliteDesk 800 or MP9, remove the secondary fan (Secondary fan (EliteDesk 800 and MP9 models only) on page 26). 5. Remove the drive cage (Drive cage image. 54 Chapter 4 Removal and replacement procedures - desktop mini (DM) chassis
  • HP ProDesk 400 G2 | Maintenance and Service Guide - Page 63
    14. On the rear of the computer, remove the antenna cover by pressing on the tab on the top of the cover (1), and then rotating the cover off the computer (2). 15. Antenna transceivers are connected to the front and back of the computer as shown in the following image. 16. Remove the front
  • HP ProDesk 400 G2 | Maintenance and Service Guide - Page 64
    the tabs on the inside of the computer). Reverse the removal procedure to install the WLAN antennas and transceivers. 56 Chapter 4 Removal and replacement procedures - desktop mini (DM) chassis
  • HP ProDesk 400 G2 | Maintenance and Service Guide - Page 65
    from desktop to tower configuration The computer can be used in a tower orientation with an optional tower stand that can be purchased from HP. the optional stand. NOTE: To stabilize the computer in a tower orientation, HP recommends the use of the optional tower stand. 3. Reconnect the AC power
  • HP ProDesk 400 G2 | Maintenance and Service Guide - Page 66
    Enable or disable DriveLock security or securely erase a hard drive (when supported by drive). Using Computer Setup (F10) Utilities Computer Setup can be Utilities menu: Main, Security, Advanced, and UEFI Drivers. NOTE: Selecting UEFI Drivers restarts the computer into the 3rd party option ROM
  • HP ProDesk 400 G2 | Maintenance and Service Guide - Page 67
    4. Use the arrow (left and right) keys to select the appropriate heading. Use the arrow (up and down) keys to select the option you want, then press Enter. To return to the Computer Setup Utilities menu, press Esc. 5. To apply and save changes, select Main > Save Changes and Exit. ● If you have made
  • HP ProDesk 400 G2 | Maintenance and Service Guide - Page 68
    Computer Setup-Main NOTE: Support for specific Computer Setup options may vary depending on the Board CT ● Integrated MAC Address If the hard drive has the HP Advanced Diagnostics installed, the application will launch. If HP Advanced Diagnostics is not installed, then a basic version built into
  • HP ProDesk 400 G2 | Maintenance and Service Guide - Page 69
    the current BIOS version and updates are not allowed. ● BIOS Update Preferences Allows the administrator to select the source of network updates (www.hp.com or another network server) and allows configuration of a periodic check for updates, including policies for: ■ Check for updates and prompt the
  • HP ProDesk 400 G2 | Maintenance and Service Guide - Page 70
    Computer Setup-Security NOTE: Support for specific Computer Setup options may vary depending on the hardware configuration. Table 5-2 Computer Setup-Security Option Description Set up BIOS Administrator Password Lets you set and
  • HP ProDesk 400 G2 | Maintenance and Service Guide - Page 71
    ● Data Recovery Policy Select 'Automatic' or 'Manual' to set data recovery policy. 'Manual' lets you select whether or not to execute not formatted to include an MBR. Instead they use GUID Partition Table (GPT) format, which better supports large hard drives. Enabling this feature will save the
  • HP ProDesk 400 G2 | Maintenance and Service Guide - Page 72
    during a service event. Default is enabled. Restore Security Settings This action resets security devices, clears BIOS passwords (not including DriveLock), and restores settings in to Default the Security menu to factory defaults. Computer Setup-Advanced NOTE: Support for specific Computer
  • HP ProDesk 400 G2 | Maintenance and Service Guide - Page 73
    Disabling this setting alters the Secure Boot key list to further restrict the allowed software components. Set this option to 'disable' to support Device Guard. System Options Configure Storage Controller for RAID (enable/disable) Lets you enable onboard RAID. Default is disabled. POST Prompt for
  • HP ProDesk 400 G2 | Maintenance and Service Guide - Page 74
    Table 5-3 Computer Setup-Advanced (for advanced users) (continued) Option Heading Controls the virtualization features of the processor. Changing this setting requires turning the computer off and then back on. Default is disabled. Virtualization Technology (VTx) (Intel only) Controls the
  • HP ProDesk 400 G2 | Maintenance and Service Guide - Page 75
    the BIOS will remain disabled until the system is restarted. Option ROM Launch Policy These policies control whether Legacy Option ROMs or UEFI drivers are loaded. Default is 'All legacy' for Windows 7 and other non-Windows configurations. Default is 'All UEFI' for Windows 8.1 or later. Configure
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    ). Default is enabled. Allows you to discover, repair, and protect networked computing devices. USB Key Provisioning Support (enable/disable) Default is disabled. USB Redirection Support (enable/disable). Default is enabled. USB redirection allows USB devices plugged into a client computer to be
  • HP ProDesk 400 G2 | Maintenance and Service Guide - Page 77
    Table 5-3 Computer Setup-Advanced (for advanced users) (continued) Option Heading CIRA Timeout (min.) (1/2/3/4/Never) CIRA is Customer Initiated Remote Assistance, an Intel service to help users employing Active Management Technology (AMT). Computer Setup (F10) Utilities 69
  • HP ProDesk 400 G2 | Maintenance and Service Guide - Page 78
    Recovering the Configuration Settings This method of recovery requires that you first perform the Save to Removable Media command with the Computer Setup (F10) Utility before Restore is needed. (See Computer Setup-Main on page 60 in the Computer Setup-File table.) The Save to Removable Media option
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    of the drivers loaded. When booting the operating system, use "Last Known Configuration." ● Refer to the comprehensive online technical support at http://www.hp.com/support. ● Refer to Helpful hints on page 72 in this guide. To assist you in resolving problems online, HP Instant Support Professional
  • HP ProDesk 400 G2 | Maintenance and Service Guide - Page 80
    serial number before calling. ● Spend time troubleshooting the problem with the service technician. ● Remove any hardware that was Problems on page 90 for instructions. ● Be sure that all the needed device drivers have been installed. For example, if you are using a printer, you need a driver
  • HP ProDesk 400 G2 | Maintenance and Service Guide - Page 81
    operating system, check to be sure that it is supported on the system. ● If the system has problems You may be able to easily resolve the general problems described in this section. If a problem is displayed. - or - Follow the Windows instructions for rebooting the computer into the Computer Setup (
  • HP ProDesk 400 G2 | Maintenance and Service Guide - Page 82
    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. Cause Processor is too hot. 74 Chapter 6 Troubleshooting without diagnostics Solution 1. Make
  • HP ProDesk 400 G2 | Maintenance and Service Guide - Page 83
    on how to improve performance by adjusting parameters in the application. 2. Add more memory. 3. Upgrade the graphics solution. Cause unknown. Restart the computer. Solving general problems 75
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    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. 76 Chapter 6 Troubleshooting without diagnostics
  • HP ProDesk 400 G2 | Maintenance and Service Guide - Page 85
    2. Open the access panel and ensure the power supply cable is seated into the connector on the system board. 3. Check if a device is causing the problem by removing ALL attached devices (such as hard drives or optical drives and expansion cards). Power on the system. If the system enters POST, then
  • HP ProDesk 400 G2 | Maintenance and Service Guide - Page 86
    problems In the left column, expand This PC, right-click on a drive, problem. Cause Solution Either the directory structure is bad or there is a problem left column, expand This PC, right-click on a Installation Problems on driver problem. If it is not listed, the probable cause is a hardware problem
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    up. Cause Program in use has stopped responding to commands. Solution 1. Use the task manager to close programs that do not respond. Solving hard drive problems 79
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    the computer, press the power button again. Solving media card reader problems Media card will not work in a digital camera after formatting it in is not inserted properly, is inserted in the wrong slot, or is not supported. Ensure that the card is inserted properly with the gold contact on the
  • HP ProDesk 400 G2 | Maintenance and Service Guide - Page 89
    the reader was just installed into the computer and you are turning the PC on for the first time. Wait a few seconds so that the operating the boot sequence in F10 Computer Setup. Solving display problems If you encounter display problems, see the documentation that came with the monitor and to
  • HP ProDesk 400 G2 | Maintenance and Service Guide - Page 90
    system. 2. Replace DIMMs one at a time to isolate the faulty module. 3. Replace third-party memory with HP memory. 4. Replace the system board. Blank screen and the power LED flashes Red six times, once every error. For systems with a graphics card: 82 Chapter 6 Troubleshooting without diagnostics
  • HP ProDesk 400 G2 | Maintenance and Service Guide - Page 91
    be set. Cause Solution If the graphics controller was upgraded, the correct graphics drivers Install the video drivers included in the upgrade kit. may not be loaded. Monitor is not capable monitor cable is securely connected to the incorrectly adjusted. computer. Solving display problems 83
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    Refer to the documentation that came with the monitor for instructions. Image is not centered. Cause Position may need what the monitor supports. Solution Restart the computer and enter Safe Mode. Change the settings to a supported setting then restart 6 Troubleshooting without diagnostics
  • HP ProDesk 400 G2 | Maintenance and Service Guide - Page 93
    PC Settings, select General, and then under Advanced startup, click Restart now. 3. Select Troubleshoot 's on-screen display menu. 2. Manually synchronize the Clock and Clock Phase download either SP32347 or SP32202: http://www.hp.com/support Graphics card is not seated properly or problems 85
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    Solving audio problems If the computer has audio features and you encounter audio problems, see the the taskbar is available at the bottom of the Desktop screen. Audio is hidden in Computer Setup. Enable device than speakers. Some graphics cards support audio over the DisplayPort connection (if
  • HP ProDesk 400 G2 | Maintenance and Service Guide - Page 95
    driver or application software, reconfigure the jack or set the jack to its default value. There is no sound or sound volume is too low. Cause Solution The application is set to use a different audio device than speakers. Some graphics cards support Device Manager. Solving audio problems 87
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    to use the correct audio device. Solving printer problems If you encounter printer problems, see the documentation that came with the printer and driver for the application. Reconnect all cables. Reset the printer by turning it off for one minute, then turn it back on. 88 Chapter 6 Troubleshooting
  • HP ProDesk 400 G2 | Maintenance and Service Guide - Page 97
    may be out of paper. Solution Check the paper tray and refill it if it is empty. Solving keyboard and mouse problems If you encounter keyboard or mouse problems, see the documentation that came with the equipment and to the common causes and solutions listed in the following table. A wireless
  • HP ProDesk 400 G2 | Maintenance and Service Guide - Page 98
    kit available from most computer stores. Solving Hardware Installation Problems You may need to reconfigure the computer when you add In Windows, use the Add Hardware Wizard and follow the instructions that appear on the screen. To open the Add Hardware Wizard Troubleshooting without diagnostics
  • HP ProDesk 400 G2 | Maintenance and Service Guide - Page 99
    of changes to the configuration, you Reboot the computer and follow the instructions for accepting the did not accept them. changes. A plug and play flashing LEDs are codes for specific problems. 3. If you still cannot resolve the issue, contact Customer Support. Solving Hardware Installation
  • HP ProDesk 400 G2 | Maintenance and Service Guide - Page 100
    party memory with HP memory. 4. Replace the system board. Solving Network Problems Some common causes and solutions for network problems are listed Solving Network Problems Network driver does not detect network controller. Cause Network controller is disabled. Incorrect network driver. Solution
  • HP ProDesk 400 G2 | Maintenance and Service Guide - Page 101
    . Ensure that the cable is attached to the correct connector. There is a problem with the cable or a device at the other end of the Ensure that service provider. Diagnostics passes, but the computer does not communicate with the network. Cause Solution Network drivers are not loaded, or driver
  • HP ProDesk 400 G2 | Maintenance and Service Guide - Page 102
    6-2 Solving Network Problems (continued) Diagnostics authorized service provider. New network card will not boot. Cause New network card may be defective or may not meet industrystandard specifications. Solution the NIC drivers for your NIC. 94 Chapter 6 Troubleshooting without diagnostics
  • HP ProDesk 400 G2 | Maintenance and Service Guide - Page 103
    . Solution Contact an authorized service provider. Solving memory problems If you encounter memory problems, some common causes and install, or remove a memory module. For those systems that support ECC memory, HP does not support mixing ECC and non-ECC memory. Otherwise, the computer will
  • HP ProDesk 400 G2 | Maintenance and Service Guide - Page 104
    Problems on page 90 section. If the system still does not recognize the new device, check to see if the device is listed within Computer Setup. If it is listed, the probable cause is a driver problem. If it is not listed, the probable cause is a hardware problem. 96 Chapter 6 Troubleshooting
  • HP ProDesk 400 G2 | Maintenance and Service Guide - Page 105
    the POST Delay in Advanced > Power-On Options. CD-ROM or DVD devices are not detected or driver is not loaded. Cause Drive is not connected properly or not properly configured. Solution See the documentation that Device Manager to remove or uninstall the device. Solving CD-ROM and DVD problems 97
  • HP ProDesk 400 G2 | Maintenance and Service Guide - Page 106
    the list of applications. 2. Restart the computer and let Windows detect the CD or DVD driver. Recording or copying CDs is difficult or impossible. Cause Wrong or poor quality media type. brand of media. Quality varies widely between manufacturers. 98 Chapter 6 Troubleshooting without diagnostics
  • HP ProDesk 400 G2 | Maintenance and Service Guide - Page 107
    If you encounter USB flash drive problems, common causes and solutions are listed in the following table. USB flash drive is not seen as a drive letter in . Solution Install the flash drive only after the operating system boots. Try a different flash drive. Solving USB flash drive problems 99
  • HP ProDesk 400 G2 | Maintenance and Service Guide - Page 108
    driver is not installed. 1. Install the correct driver problems If you encounter Internet access problems, consult your Internet Service specific information that the Web server can later retrieve.) Windows 7: 1. Select Start > Control Panel. 2. Click Internet Options. 100 Chapter 6 Troubleshooting
  • HP ProDesk 400 G2 | Maintenance and Service Guide - Page 109
    must log on to your ISP before some programs will start. Solution Log on to your ISP and launch the desired program. Solving Internet access problems 101
  • HP ProDesk 400 G2 | Maintenance and Service Guide - Page 110
    drivers have been installed. ● If you have installed an operating system other than the factory-installed operating system, check to be sure it is supported on the system. If you encounter software problems all programs, and restart the computer. 102 Chapter 6 Troubleshooting without diagnostics
  • HP ProDesk 400 G2 | Maintenance and Service Guide - Page 111
    -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 400 G2 | Maintenance and Service Guide - Page 112
    action RTC (real-time clock) battery may need to be replaced. problem persists, replace the RTC battery. See the Removal and Replacement section for instructions on installing a new battery. Processor is not supported by the BIOS. 1. Upgrade BIOS to proper version. 2. Change the processor
  • HP ProDesk 400 G2 | Maintenance and Service Guide - Page 113
    error correction. remove it to see if the problem remains. 2. Check product documentation for memory support information. 2E6-Memory Not Configured Correctly for patch if applicable. (Available at http://www.hp.com/support.) 3. Back up contents and replace hard drive. POST numeric codes
  • HP ProDesk 400 G2 | Maintenance and Service Guide - Page 114
    System test under using F2 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. 1. Determine if hard drive is giving correct error message. Run the Drive Protection System
  • HP ProDesk 400 G2 | Maintenance and Service Guide - Page 115
    41B-Device in PCI Express Slot Failed To Initialize There is an incompatibility or problem with a PCIe device and the system or PCIe link could not be configured in the system that is not supported and has been disabled. Replace with a supported module. 800-Keyboard Error Keyboard failure. 1.
  • HP ProDesk 400 G2 | Maintenance and Service Guide - Page 116
    applicable) are used to identify the error. These patterns will make up a two part code: ● Major - the category of the error ● Minor - the specific error within the category NOTE: Single beep/blink codes are not used. Number of long beeps/blinks 1 2 3 4 5 Error category Not used BIOS Hardware
  • HP ProDesk 400 G2 | Maintenance and Service Guide - Page 117
    initialization. 3.4 The system board displays a power failure (crowbar).* 3.5 The processor is not detected.* 3.6 The processor does not support an enabled feature. Thermal 4.2 A processor over temperature condition has been detected.* 4.3 An ambient temperature over temperature condition
  • HP ProDesk 400 G2 | Maintenance and Service Guide - Page 118
    mode, the system can only be reset by System Management Command. This is a way for HP Service and Support to provide a secure method to access the BIOS and command a password reset for a specifically identified unit under the direction of the owner. This scenario may not be covered under warranty
  • HP ProDesk 400 G2 | Maintenance and Service Guide - Page 119
    beginning these procedures, ensure that you are discharged of static electricity by briefly touching a grounded metal object. See the Safety & Regulatory Information guide for more information. 3. Remove the access panel. 4. Locate the header and jumper. NOTE: The password jumper is green so that it
  • HP ProDesk 400 G2 | Maintenance and Service Guide - Page 120
    these procedures, ensure that you are discharged of static electricity by briefly touching a grounded metal object. See the Safety & Regulatory Information guide for more information. 3. Remove the access panel. CAUTION: Pushing the CMOS button will reset CMOS values to factory defaults. It is
  • HP ProDesk 400 G2 | Maintenance and Service Guide - Page 121
    and rebooting advising you that configuration changes have occurred. Use Computer Setup to reset any special system setups along with the date and time. For instructions on Computer Setup, see Computer Setup (F10) Utility on page 58. Clearing and resetting the BIOS 113
  • HP ProDesk 400 G2 | Maintenance and Service Guide - Page 122
    of UEFI for a specific product 1. Go to http://www.hp.com/support, and then select your country. The HP Support page is displayed. . 2. Click Drivers & Downloads. 3. Use the categories listed to find your product. - or - 114 Chapter 9 Using HP PC Hardware Diagnostics (UEFI)HP PC Hardware Diagnostics
  • HP ProDesk 400 G2 | Maintenance and Service Guide - Page 123
    Click Find Now to let HP automatically detect your product. 4. Select your computer, and then select your operating system. 5. In the Diagnostic section, follow the on-screen instructions to select and download the UEFI version you want. Downloading HP PC Hardware Diagnostics (UEFI) to a USB device
  • HP ProDesk 400 G2 | Maintenance and Service Guide - Page 124
    Telephone Numbers booklet included with the computer. You can also find contact information on the HP website. Go to http://www.hp.com/support, select your country or region, and follow the on-screen instructions. You can use Windows tools to create system restore points and create backups of
  • HP ProDesk 400 G2 | Maintenance and Service Guide - Page 125
    Telephone Numbers booklet included with the computer. You can also find contact information on the HP website. Go to http://www.hp.com/support, select your country or region, and follow the on-screen instructions. ○ Be sure that the computer is connected to AC power before you begin creating the
  • HP ProDesk 400 G2 | Maintenance and Service Guide - Page 126
    . ▲ Type help in the taskbar search box, and then select Help and Support. ● If you need to correct a problem with a preinstalled application or driver, use the Reinstall drivers and/ or applications option (select products only) of HP Recovery Manager to reinstall the individual application or
  • HP ProDesk 400 G2 | Maintenance and Service Guide - Page 127
    HP website. Go to http://www.hp.com/support, select your country or region, and follow the on-screen instructions. IMPORTANT: HP Select Troubleshoot from the boot options menu. 3. Select Recovery Manager, and then follow the on-screen instructions. Using HP Recovery media to recover You can use HP
  • HP ProDesk 400 G2 | Maintenance and Service Guide - Page 128
    support this function. Follow these steps to remove the HP Recovery partition: 1. Type recovery in the taskbar search box, and then select HP Recovery Manager. 2. Select Remove Recovery Partition, and then follow the on-screen instructions that can be used to troubleshoot a computer that is unable
  • HP ProDesk 400 G2 | Maintenance and Service Guide - Page 129
    and Support. From the Start screen, type help, and then select Help and Support. HP logo is displayed. The computer Startup Menu displays. 4. Press f11 to select the System Recovery option. 5. Choose your keyboard layout. 6. Select Troubleshoot. 7. Select Reset. 8. Follow the on-screen instructions
  • HP ProDesk 400 G2 | Maintenance and Service Guide - Page 130
    your keyboard layout. 5. Select Troubleshoot. 6. Select Refresh your PC. 7. Follow the on-screen instructions. Recovery using Windows operating system media (purchased separately) To order a Windows operating system DVD, contact support. Go to http://www.hp.com/support, select your country or region
  • HP ProDesk 400 G2 | Maintenance and Service Guide - Page 131
    manually create a system restore point at any time. For more information and steps for creating specific system restore points, see Help and Support. To access Help and Support, select Start > Help and Support your information on page 125. NOTE: HP recommends that you print the recovery procedures
  • HP ProDesk 400 G2 | Maintenance and Service Guide - Page 132
    blank DVD(s), and then click Next. 4. Follow the on-screen instructions. Label each disc after you make it (for example, Recovery 1, drivers or applications. ● Driver Recovery DVD-Installs specific drivers and applications only, in the same way that the HP Software Setup utility installs drivers
  • HP ProDesk 400 G2 | Maintenance and Service Guide - Page 133
    the Driver Recovery DVD: 1. Select Start > All Programs > Productivity and Tools > HP Recovery Disc Creator. 2. Select Driver disk. instructions on various backup and restore options, perform a search for these topics in Help and Support. To access Help and Support, select Start > Help and Support
  • HP ProDesk 400 G2 | Maintenance and Service Guide - Page 134
    have a problem that might created, and then reinstalls the operating system, programs, and drivers. However, you must reinstall any software that was not installed disc set from support. Go to http://www.hp.com/support, select your country or region, and follow the on-screen instructions. NOTE: Always
  • HP ProDesk 400 G2 | Maintenance and Service Guide - Page 135
    message appears on the screen. 5. At the HP Recovery Manager screen, follow the on-screen instructions to continue. 6. When Windows has loaded, If you used HP Recovery Disc Creator to create a Windows 7 operating system DVD and a Driver Recovery DVD, use the steps in Using HP Recovery Disc operating
  • HP ProDesk 400 G2 | Maintenance and Service Guide - Page 136
    system DVD, contact support. Go to http://www.hp.com/support, select your country or region, and follow the on-screen instructions. CAUTION: Using a the recovery process helps you restore the operating system, as well as drivers, software, and utilities. To initiate recovery using a Windows 7
  • HP ProDesk 400 G2 | Maintenance and Service Guide - Page 137
    . After the repair is completed: 1. Eject the Windows 7 operating system DVD and then insert the Driver Recovery DVD. 2. Follow the on-screen instructions to install the Hardware Enabling Drivers first, and then install Recommended Applications. Backing up, restoring, and recovering in Windows 7 129
  • HP ProDesk 400 G2 | Maintenance and Service Guide - Page 138
    A Power Cord Set Requirements The power supplies on some computers have external power switches. The voltage select switch feature on the computer permits it to operate from any line voltage between 100-120 or 220-240 volts AC. Power supplies on those computers that do not have external power
  • HP ProDesk 400 G2 | Maintenance and Service Guide - Page 139
    Requirements Additional requirements specific to a country are shown in parentheses and explained below. Country Accrediting Agency Country Accrediting Agency Australia two-pole grounding type with a Japanese Industrial Standard C8303 (7A, 125V) configuration. Country-Specific Requirements 131
  • HP ProDesk 400 G2 | Maintenance and Service Guide - Page 140
    HP confirms that HP commercial desktop systems memory: 1. Download the latest BIOS (system ROM) from the HP website. 2. Follow the instructions to flash the BIOS that are found on the website. 3. service provider for instructions to disable the feature. 132 Appendix B Statement of
  • HP ProDesk 400 G2 | Maintenance and Service Guide - Page 141
    C Specifications Unit Value Value Dimensions (with stand) Height Width Depth 6.9 in 7.0 in 1.3 Frequency 90-264 VAC 100-240 VAC 50-60 Hz 47-63 Hz Standard efficiency 90W, 89% efficient 65W, 89% efficient DC Output +19.5V 1 This system utilizes an active power factor corrected power supply.
  • HP ProDesk 400 G2 | Maintenance and Service Guide - Page 142
    audible codes 108 audio problems 86 computer specifications 133 computer cleaning 15 Computer Setup access problem 73 country power cord set requirements 131 Customer Support 71 front bezel removal and replacement 22 front panel components EliteDesk 705 2 EliteDesk 800 1 MP9 1 ProDesk 600 1 front
  • HP ProDesk 400 G2 | Maintenance and Service Guide - Page 143
    error messages 103 power cord set requirements country specific 131 power problems 77 power supply illustrated 6 operating voltage range 77 printer 88 software 102 product ID location 5 R rear panel components EliteDesk 705 3 EliteDesk 800 3 MP9 3 ProDesk 400 4 ProDesk 600 3 recovery discs, steps
  • HP ProDesk 400 G2 | Maintenance and Service Guide - Page 144
    service considerations 16 SODIMM specifications 39 software problems 102 servicing computer 16 solid state drive installation 28 removal 28 speaker illustrated 9 removal and replacement 47 specifications computer 133 specifications Help and Support 123 steps and restore 120 Driver Recovery media 122
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Maintenance and Service Guide
HP EliteDesk 800 G2 Desktop Mini
HP EliteDesk 705 G2 Desktop Mini
HP ProDesk 600 G2 Desktop Mini
HP ProDesk 400 G2 Desktop Mini
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