HP ProDesk 400 G1 Maintenance and Service Guide

HP ProDesk 400 G1 Manual

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  • HP ProDesk 400 G1 | Maintenance and Service Guide - Page 1
    Maintenance and Service Guide HP ProDesk 400 G1 Desktop Mini
  • HP ProDesk 400 G1 | Maintenance and Service Guide - Page 2
    HP products and services are set forth in the express warranty statements accompanying such products and services. Nothing herein should be construed as constituting an additional warranty. HP Product notice This guide describes features that separately purchased hardware, drivers, and/or software to
  • HP ProDesk 400 G1 | 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 G1 | Maintenance and Service Guide - Page 4
    iv Safety warning notice
  • HP ProDesk 400 G1 | Maintenance and Service Guide - Page 5
    cleaning safety precautions 13 Cleaning the Computer Case ...13 Cleaning the keyboard ...13 Cleaning the monitor ...14 Cleaning the mouse ...14 Service considerations ...14 Tools and software requirements ...14 Screws ...14 Cables and connectors ...14 Hard Drives ...15 Lithium coin cell battery
  • HP ProDesk 400 G1 | Maintenance and Service Guide - Page 6
    Using Computer Setup (F10) Utilities 56 Computer Setup-File ...57 Computer Setup-Storage ...58 Computer Setup-Security ...59 Computer Setup-Power ...61 Computer Setup-Advanced ...62 Recovering the Configuration Settings ...63 6 Troubleshooting without diagnostics ...64 Safety and comfort ...64 vi
  • HP ProDesk 400 G1 | Maintenance and Service Guide - Page 7
    for technical support ...64 Helpful hints ...65 Solving general problems ...66 Solving hard drive problems ...69 Solving display problems ...71 Solving audio problems ...75 Solving printer problems ...77 Solving keyboard and mouse problems ...78 Solving Hardware Installation Problems ...79 Solving
  • HP ProDesk 400 G1 | Maintenance and Service Guide - Page 8
    Creating recovery discs with HP Recovery Disc Creator (select models only 105 Creating recovery discs 105 only 108 Using HP Recovery Disc operating system discs (select models only 109 Appendix A Power Cord Set Requirements ...111 General Requirements ...111 Japanese Power Cord Requirements ...
  • HP ProDesk 400 G1 | Maintenance and Service Guide - Page 9
    1 Product Features Standard Configuration Features Features may vary depending on the model. For support assistance and to learn more about the hardware and software installed on your computer model, run the HP Support Assistant utility. Desktop mini NOTE: The desktop mini can be used in a tower
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    Microphone Connector 2 Hard Drive Activity Light 5 Headphone Connector 3 USB 3.0 Ports NOTE: The Power On 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 Interpreting POST diagnostic front
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    2 VGA Monitor Connector 4 USB 2.0 Ports (black) 5 RJ-45 Network Connector 3 USB 2.0 Ports with enhanced power (black) 6 Power Cord Connector NOTE: The two upper USB ports have additional power capacity to support the Desktop Mini External Expansion Sleeves. NOTE: The two lower USB ports
  • HP ProDesk 400 G1 | Maintenance and Service Guide - Page 12
    Serial Number Location Each computer has a unique serial number and a product ID number that are located on the exterior of the computer. Keep these numbers available for use when contacting customer service for assistance. 4 Chapter 1 Product Features
  • HP ProDesk 400 G1 | Maintenance and Service Guide - Page 13
    and changes product parts. For complete and current information on supported parts for your computer, go to http://partsurfer.hp.com, select your country or region, and then follow the on-screen instructions. Computer major components Item (1) (2) (3) Description Access panel Front bezel System
  • HP ProDesk 400 G1 | Maintenance and Service Guide - Page 14
    Item Description For use in models with Windows 8.1 Professional For use in NetClone models Stand Power supply, 65W, 89% efficiency Memory modules (PC3-12800, 1600-MHz) 8-GB 4-GB Processors (include replacement thermal material) Intel Core i7 4785T (2.2-GHz, 8-MB L3 cache), 35W
  • HP ProDesk 400 G1 | Maintenance and Service Guide - Page 15
    Cables Item (1) Description SATA power cable Wireless antenna cables Adapter, DisplayPort to HDMI 1.4 Adapter, DisplayPort to VGA Adapter, DisplayPort to DVI Adapter, USB to serial Cable, DisplayPort to HDMI DisplayPort cable Grommet, hard drive Chassis spare parts 7
  • HP ProDesk 400 G1 | Maintenance and Service Guide - Page 16
    Misc parts Item (1) (2) (3) (4) * * * * * Description Heat sink Fan Speaker LED cover Antenna cover HP Ultraslim Keyed Cable Lock WLAN modules: HP WLAN 802.11 a/b/g/n, 2x2 + Bluetooth 4.0 HP WLAN 802.11 a/b/g/n, 2x2 Mouse USB, laser USB, optical Washable Wireless Keyboards 8 Chapter 2 Illustrated
  • HP ProDesk 400 G1 | Maintenance and Service Guide - Page 17
    Item Description USB Wireless + dongle + mouse Washable Smart card Drives Description Hard drives/Solid-state drives: 1 TB, 7200 rpm, hard drive, 2.5-inch, SSHD (hybrid SSD) 500 GB, 7200 rpm hard drive, 2.5-inch 500 GB, SSHD (hybrid SSD), 2.5-inch 500 GB, 7200 rpm hard drive, 2.5-inch, SED 500 GB,
  • HP ProDesk 400 G1 | Maintenance and Service Guide - Page 18
    service. CAUTION: When the computer is plugged into an AC power source, voltage is always applied to the system board. You must disconnect the power cord from the power of bench worker Removing DIPs from plastic tube 3,000 V 400 V 400 V Removing DIPs from vinyl tray 2,000 V Removing DIPs from
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    PCB laminate. Handle them only at static-free work areas. ● Turn off power and input signals before inserting and removing connectors or test equipment. ● Use such as ordinary plastic assembly aids and Styrofoam. ● Use field service tools, such as cutters, screwdrivers, and vacuums, that are
  • HP ProDesk 400 G1 | Maintenance and Service Guide - Page 20
    with ground cord of one-megohm +/- 10% resistance ● Static-dissipative table or floor mats with hard tie to ground ● Field service kits ● Static awareness labels ● Wrist straps and footwear straps providing one-megohm +/- 10% resistance ● Material handling packages ● Conductive plastic bags
  • HP ProDesk 400 G1 | Maintenance and Service Guide - Page 21
    ● Never cover the ventilation slots on the monitor with any type of material. ● Install or enable power management functions of the operating system or other software, including sleep states. Routine care General cleaning safety precautions 1. Never use solvents or flammable solutions to
  • HP ProDesk 400 G1 | Maintenance and Service Guide - Page 22
    This tool is available through many electronic supply outlets. CAUTION: Never remove a wide cleaning the mouse, ensure that the power to the computer is turned off. Computer Case on page 13. Service considerations Listed below are some of it can damage the unit. HP strongly recommends that all screws
  • HP ProDesk 400 G1 | Maintenance and Service Guide - Page 23
    replaced. CAUTION: When servicing this computer, ensure power to the real-time clock and has a minimum lifetime of about three years. See the appropriate removal and replacement chapter for the chassis you are working on in this guide for instructions or return them to HP, their authorized partners,
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    designed to transmit data for only a single drive. SMART ATA drives The Self Monitoring Analysis and Recording Technology (SMART) ATA drives for the HP Personal Computers have built-in drive failure prediction that warns the user or network administrator of an impending failure or crash of the hard
  • HP ProDesk 400 G1 | Maintenance and Service Guide - Page 25
    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 G1 | Maintenance and Service Guide - Page 26
    Access panel 1. Prepare the computer for disassembly (Preparation for disassembly on page 17). 2. Loosen the thumbscrew on the rear of the computer (1) then slide the panel forward and lift if off the computer (2). To install the access panel, reverse the removal procedure. 18 Chapter 4 Removal and
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    Hard drive Description Hard drives/Solid-state drives 1 TB, 7200 rpm, hard drive, 2.5-inch, SSHD (hybrid SSD) 500 GB, 7200 rpm hard drive, 2.5-inch 500 GB, SSHD (hybrid SSD), 2.5-inch 500 GB, 7200 rpm hard drive, 2.5-inch, SED 500 GB, 5400 rpm hard drive, 2.5-inch, FIPS 256 GB solid-state drive (SSD
  • HP ProDesk 400 G1 | Maintenance and Service Guide - Page 28
    3. Disconnect the hard drive power cable (1) and data cable (2) from the system board. 4. Pull the release To install a hard drive, you must transfer the silver and blue isolation mounting guide screws from the old hard drive to the new hard drive. 20 Chapter 4 Removal and replacement procedures
  • HP ProDesk 400 G1 | Maintenance and Service Guide - Page 29
    6. Transfer the drive cables from the old drive to the new drive. 7. Align the guide screws with the slots on the chassis drive cage, press the hard drive down into the bay, then slide it forward until it stops and locks in place. Hard drive 21
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    8. Connect the hard drive power cable (1) and data cable (2) to the system board. Reverse this procedure to replace the hard drive. 22 Chapter 4 Removal and replacement procedures
  • HP ProDesk 400 G1 | Maintenance and Service Guide - Page 31
    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 17). 2. Remove the access
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    5. Lift to remove the speaker from the computer (3). To install the speaker, reverse the removal procedures. 24 Chapter 4 Removal and replacement procedures
  • HP ProDesk 400 G1 | Maintenance and Service Guide - Page 33
    Front bezel The front bezel is secured to the access panel by tabs. 1. Prepare the computer for disassembly (Preparation for disassembly on page 17). 2. Remove the access panel (Access panel on page 18). 3. Position the access panel upside-down so you can access the inside of the bezel. 4. Pull down
  • HP ProDesk 400 G1 | Maintenance and Service Guide - Page 34
    be populated with up to two industry-standard SODIMMs. These memory sockets are populated with at least one preinstalled SODIMM. To achieve the maximum memory support, you can populate the system board with up to 16-GB of memory. DDR3-SDRAM SODIMMs For proper system operation, the SODIMMs must be
  • HP ProDesk 400 G1 | Maintenance and Service Guide - Page 35
    Populating SODIMM sockets There are two SODIMM sockets on the system board, with one socket per channel. The sockets are labeled DIMM1 and DIMM3. The DIMM1 socket operates in memory channel B. The DIMM3 socket operates in memory channel A. Item 1 2 Description SODIMM1 socket, Channel B SODIMM3
  • HP ProDesk 400 G1 | Maintenance and Service Guide - Page 36
    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 G1 | Maintenance and Service Guide - Page 37
    tab on the memory socket. 6. Replace the hard drive and connect the power and data cables to the system board. 7. Replace the access panel. 8. If the computer was on a stand, replace the stand. 9. Reconnect the power cord and turn on the computer. 10. Lock any security devices that were
  • HP ProDesk 400 G1 | Maintenance and Service Guide - Page 38
    computer is NOT connected to AC power. HP encourages customers to recycle used electronic hardware, HP original print cartridges, and rechargeable on the type of battery holder on the system board, complete the following instructions to replace the battery. NOTE: You may need to use a small tool
  • HP ProDesk 400 G1 | Maintenance and Service Guide - Page 39
    a. Pull back on the clip (1) that is holding the battery in place, and lift the battery out of the holder (2). b. Pull back on the clip (1) and slide the replacement battery down into the holder (2). Type 2 a. Push the battery toward the outside of the chassis to release it from the holder and lift
  • HP ProDesk 400 G1 | Maintenance and Service Guide - Page 40
    has been replaced, use the following steps to complete this procedure. 5. Replace the computer access panel. 6. Plug in the computer and turn on power to the computer. 7. Reset the date and time, your passwords, and any special system setups using Computer Setup. 8. Lock any security devices that
  • HP ProDesk 400 G1 | Maintenance and Service Guide - Page 41
    Heat sink The heat sink is secured with four captive Torx screws. Be sure to remove and replace the screws in the order indicated on the heat sink. 1. Prepare the computer for disassembly (Preparation for disassembly on page 17). 2. Remove the access panel (Access panel on page 18). 3. In the order
  • HP ProDesk 400 G1 | Maintenance and Service Guide - Page 42
    Processor Description Intel Core i7 4785T (2.2-GHz, 8-MB L3 cache), 35W Intel Core i7 4765T (2.0-GHz, 8-MB L3 cache), 35W Intel Core i5 4590T (2.0-GHz, 6-MB L3 cache), 35W Intel Core i5 4570T (2.9-GHz, 4-MB L3 cache), 35W Intel Core i3 4360T (3.2-GHz, 4-MB L3 cache), 35W Intel Core i3 4350T (3.1-GHz
  • HP ProDesk 400 G1 | Maintenance and Service Guide - Page 43
    the removal procedures. NOTE: After installing a new processor onto the system board, always update the system ROM to ensure that the 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. Processor 35
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    Fan The fan sits between the fan sink and the rear of the computer. 1. Prepare the computer for disassembly (Preparation for disassembly on page 17). 2. Remove the access panel (Access panel on page 18). 3. Remove the heat sink (Heat sink on page 33). 4. Disconnect the fan cable from the system
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    Drive cage The drive cage is located next to the heat sink. The drive cage is secured with three slotted Torx screws. 1. Prepare the computer for disassembly (Preparation for disassembly on page 17). 2. Remove the access panel (Access panel on page 18). 3. Remove the three screws (1) that secure the
  • HP ProDesk 400 G1 | Maintenance and Service Guide - Page 46
    4. Lift the drive cage up and out of the computer (2). To install the drive cage, reverse the removal procedure. 38 Chapter 4 Removal and replacement procedures
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    WLAN 802.11 a/b/g/n, 2x2 + Bluetooth 4.0 HP WLAN 802.11 a/b/g/n, 2x2 The WLAN module is located near the memory modules. The WLAN module is secured with one slotted Torx screw and has
  • HP ProDesk 400 G1 | Maintenance and Service Guide - Page 48
    7. Pull the module to remove it from the socket (3). To install the WLAN module, reverse the removal procedure. NOTE: WLAN modules are designed with a notch to prevent incorrect insertion. 40 Chapter 4 Removal and replacement procedures
  • HP ProDesk 400 G1 | Maintenance and Service Guide - Page 49
    M.2 solid-state drive Description 128 GB solid-state drive (SSD), M.2 The M.2 SSD is secured with one slotted Torx screw. It is located under the heat sink and fan. To remove the M.2 SSD: 1. Prepare the computer for disassembly (Preparation for disassembly on page 17). 2. Remove the access panel (
  • HP ProDesk 400 G1 | Maintenance and Service Guide - Page 50
    8. Lift the module to a 45-degree angle, and then pull it away to remove it from the socket. To install the M.2 SSD, reverse the removal procedures. NOTE: M.2 SSDs are designed with a notch to prevent incorrect insertion. 42 Chapter 4 Removal and replacement procedures
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    External antennas (select models only) The external connection antennas route from the WLAN module to the cable connectors on the rear of the computer. To install the antennas: 1. Prepare the computer for disassembly (Preparation for disassembly on page 17). 2. Remove the access panel (Access panel
  • HP ProDesk 400 G1 | Maintenance and Service Guide - Page 52
    9. Connect the connector on the end of the black antenna cable to the connector labeled '1' on the WLAN module. 10. Route the white cable using the hooks connected to the chassis. Note the correct cable routing in the following image. 44 Chapter 4 Removal and replacement procedures
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    Properly installed, the white antenna routes under the fan and hard drive SATA cables. External antennas (select models only) 45
  • HP ProDesk 400 G1 | Maintenance and Service Guide - Page 54
    System board NOTE: All system board spare part kits include replacement thermal material. NOTE: System board appearance may vary. Description System board for use in models without Windows 8.1 System board for use in models with Windows 8.1 Standard System board for use in models with Windows 8.1
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    the system board, reverse the removal procedures. NOTE: When replacing the system board, you must change the chassis serial number in the BIOS. Updating SMBIOS Information When replacing the system board, you must reprogram the SMBIOS information on the affected computer. Failure to reprogram the
  • HP ProDesk 400 G1 | Maintenance and Service Guide - Page 56
    Model name/number or marketing name. Flexbuild Enter the Serial Number of Unit. Support Enter the SKU or Product Number including Support Localization Code. Enter the 18-byte identifier assigned to the computer. Support Enter the Feature Byte string. The feature Flexbuild byte string is case
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    WLAN module socket Sys Bd Label SATA0 CMOS SATAPWR0 CPUFAN PSWD M.2 Color Component Blue Hard drive data connector Yellow CMOS reset button White Hard drive power connector White Fan connector Black/blue Password header and jumper Black Solid-state drive socket System board 49
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    WLAN antennas The antennas route from the WLAN module to the cable connectors on the rear of the computer. To install the antennas: 1. Prepare the computer for disassembly (Preparation for disassembly on page 17). 2. Remove the access panel (Access panel on page 18). 3. Remove the hard drive (Hard
  • HP ProDesk 400 G1 | Maintenance and Service Guide - Page 59
    9. Remote the antenna cables from their routing paths underneath the keyboard. Note the locations the cables are taped to the chassis as shown in the following image. 10. 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
  • HP ProDesk 400 G1 | Maintenance and Service Guide - Page 60
    11. Antenna transceivers are connected to the front and back of the computer as shown in the following image. 12. Remove the front transceiver from the inside of the computer by pressing the tab to disengage the transceiver and removing the transceiver (arrow in following image points to the tabs on
  • HP ProDesk 400 G1 | Maintenance and Service Guide - Page 61
    13. Remove the rear transceiver from the inside of the computer by pressing the tab to disengage the transceiver and removing the transceiver (arrow in following image points to the tabs on the inside of the computer). Reverse the removal procedure to install the WLAN antennas and transceivers. WLAN
  • HP ProDesk 400 G1 | Maintenance and Service Guide - Page 62
    is facing up and place the computer in the optional stand. NOTE: To stabilize the computer in a tower orientation, HP recommends the use of the optional tower stand. 6. Reconnect the power cord and any external devices, then turn on the computer. NOTE: Ensure at least 10.2 centimeters (4 inches) of
  • HP ProDesk 400 G1 | Maintenance and Service Guide - Page 63
    or Disabled to change the display status of Power-On Self-Test (POST) messages. Post Messages is displayed regardless of the mode selected. To manually switch to Post Messages Enabled during POST, press supported by drive). ● Enable or disable DriveLock security (when supported by drive).
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    Setup (F10) Utility is displayed. - or - ● Follow the Windows 8.1 instructions for rebooting the computer into the Computer Setup (F10) Utility. 3. A are available for all models CAUTION: Do NOT turn the computer power OFF while the BIOS is saving the Computer Setup (F10) changes because the CMOS
  • HP ProDesk 400 G1 | Maintenance and Service Guide - Page 65
    : Support for specific Computer Setup options may vary depending on the hardware configuration. Table 5-1 Computer Setup-File Option System Information About Description Lists: ● Manufacturer ● Product name ● SKU number ● Born on Date ● System board ID and CT number ● BIOS Revision ● BIOS Date
  • HP ProDesk 400 G1 | Maintenance and Service Guide - Page 66
    Support for specific Computer Setup options may vary depending on the hardware configuration. Table 5-2 Computer Setup-Storage Option Device Configuration Storage Options DPS Self-Test Boot Order Description Lists all installed BIOS usually do not require additional driver support in IDE mode. Use
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    device for this one time. Computer Setup-Security NOTE: Support for specific Computer Setup options may vary depending on the If you enable the stringent security feature and you forget the setup password or the power-on password, the computer is inaccessible and can no longer be used. If you
  • HP ProDesk 400 G1 | Maintenance and Service Guide - Page 68
    Table 5-3 Computer Setup-Security (continued) Network Boot Enables/disables the computer's ability to boot from an operating system installed on a network server. Default is enabled. System IDs Allows you to set: ● Product Name ● Serial Number ● Asset tag (18-byte identifier), a property
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    previously loaded custom boot keys. Default is Don't Clear. ◦ Key Ownership-HP Keys/Custom Keys. Selecting Custom Mode allows you to modify the contents of the lets you boot to a device or troubleshoot your computer. Computer Setup-Power NOTE: Support for specific Computer Setup options may vary
  • HP ProDesk 400 G1 | Maintenance and Service Guide - Page 70
    Support for specific Computer Setup options may vary depending on the hardware configuration. Table 5-5 Computer Setup-Advanced (for advanced users) Option Power-On Options BIOS Power on the monitor during the Power On Self Test if the BIOS encounters some kind of problem while starting the PC. A
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    installed. Default is disabled. Device Options Allows you to set: ● Num Lock State at Power-On (off/on). Default is off. ● Multi-Processor (enable/disable). Use this option to disable multi-processor support under the OS. Default is enabled. ● Hyper threading (enable/disable). Use this option to
  • HP ProDesk 400 G1 | Maintenance and Service Guide - Page 72
    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 65 in this guide. To assist you in resolving problems online, HP Instant Support Professional
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    time troubleshooting the problem with the service power button to start the computer. ● Reconfigure the computer after installing a non-plug and play expansion board or other option. See Solving Hardware Installation Problems on page 79 for instructions. ● Be sure that all the needed device drivers
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    sure to disconnect the power cord from the wall - Follow the Windows 8.1 instructions for rebooting the computer into the Computer Troubleshooting without diagnostics Solution Reset the date and time under Control Panel (Computer Setup can also be used to update the RTC date and time). If the problem
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    prolongs the life of the RTC battery. Replacement section for instructions on installing a new battery, or contact an authorized dealer speakers). 2. Make sure the external speakers are properly connected and powered on and that the speakers' volume control is set correctly. 3. general problems 67
  • HP ProDesk 400 G1 | Maintenance and Service Guide - Page 76
    Upgrade the graphics solution. Restart the computer. Computer powered off automatically and the Power LED flashes Red two times, once every second, and the processor cooling fan is running. 2. Open the access panel, press the power button, and see if the processor fan (or other system fan) spins. If
  • HP ProDesk 400 G1 | Maintenance and Service Guide - Page 77
    immediately after power-up. Solution Check cable connections. See reconfiguration directions in the Solving Hardware Installation Problems on page 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,
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    the task manager to close programs that do not respond. 2. Attempt the normal Windows "Shut Down" procedure. If this fails, press the power button for four or more seconds to turn off the power. To restart the computer, press the power button again. 70 Chapter 6 Troubleshooting without diagnostics
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    BIOS image. Be sure that the monitor can accept the same horizontal scan rate as the resolution chosen. Press the power power button for more than four seconds. Otherwise, the computer will shut down and you will lose any unsaved data. Systems may have a monitor connection on both the motherboard
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    iteration but LEDs continue flashing.) Cause Solution 4. Replace the system board. Blank screen and the power LED flashes Red six times, once every second, followed by a two second pause, and the to the be incorrectly adjusted. computer. 72 Chapter 6 Troubleshooting without diagnostics
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    documentation that came with the monitor for instructions. Image is not centered. Cause Position computer. CAUTION: Ensure that the computer power is off while connecting the video cable. supports. Solution Restart the computer and enter Safe Mode. Change the settings to a supported problems 73
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    Advanced startup, click Restart now. 3. Select Troubleshoot, select Advanced options, select Startup Settings, 's on-screen display menu. 2. Manually synchronize the Clock and Clock Phase hp.com/support Certain typed symbols do not appear correct. Cause The font you are using does not support
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    and you encounter audio problems, see the common causes speakers. Computer is in Sleep state. Press the power button to resume from Sleep state. CAUTION: When attempting a different audio device than speakers. Some graphics cards support audio over the DisplayPort connection (if applicable), so multiple
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    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 Chapter 6 Troubleshooting without diagnostics
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    on. Cause The cables may not be connected properly. Solution Reconnect all cables and check the power cord and electrical outlet. Printer prints garbled information. Cause The correct printer driver for the application is not installed. The cables may not be connected properly. Printer memory may
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    If you encounter keyboard or mouse problems, see the documentation that came terms and conditions. Computer is in Sleep state. Press the power button to resume from Sleep state. CAUTION: When attempting to resume from Sleep the keyboard) and restart. 78 Chapter 6 Troubleshooting without diagnostics
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    new hardware. In Windows, use the Add Hardware Wizard and follow the instructions that appear on the screen. To open the Add Hardware Wizard, open the power cord from the wall outlet and allow the internal system components to cool before touching. Solving Hardware Installation Problems 79
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    computer and follow the instructions for accepting the changes. specific problems. 3. If you still cannot resolve the issue, contact Customer Support. Power power cord before attempting to reseat, install, or remove a DIMM module. 1. Reseat DIMMs. Power on the system. 80 Chapter 6 Troubleshooting
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    memory with HP memory. 4. Replace the system board. Solving Network Problems Some common causes and solutions for network problems are listed network cabling. Table 6-2 Solving Network Problems Wake-on-LAN feature is not functioning. Cause S5 Maximum Power Saving feature is enabled. S5 Wake on
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    not set up properly. Check for the device status within Windows, such as Device Manager for driver load and the Network Connections applet within Windows for link status. To access Device Manager in cable is securely attached to the correct device. 82 Chapter 6 Troubleshooting without diagnostics
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    Cause The cable is attached to the incorrect connector. There is a problem with the cable or a device at the other end of the cable service provider. Diagnostics passes, but the computer does not communicate with the network. Cause Solution Network drivers are not loaded, or driver parameters
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    EEPROM. Cause Unprogrammed EEPROM. Solution Contact an authorized service provider. Solving memory problems If you encounter memory problems, some common causes and solutions are listed in the following table. CAUTION: Power may still be supplied to the DIMMs when the computer is turned off
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    Power on the system. 2. Replace DIMMs one at a time to isolate the faulty module. 3. Replace third-party memory with HP memory. 4. Replace the system board. Solving USB flash drive problems If you encounter USB flash drive problems was not properly seated before power-up. Solution Run the Computer
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    . Solving Internet access problems If you encounter Internet access problems, consult your Internet Service Provider (ISP) or modem. You should see a "power" LED light on the front of the cable/DSL modem. Cable/DSL service is not available or has been 6 Troubleshooting without diagnostics
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    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 conditions. Computer will not continue after HP logo screen displays. Cause System files may
  • HP ProDesk 400 G1 | Maintenance and Service Guide - Page 96
    Repair to fix problems that might prevent Windows from starting correctly. To access Automatic Repair: 1. Press the Windows logo + l to open the Settings charm. 2. Select Change PC Settings, select General, and then under Advanced startup, click Restart now. 3. Select Troubleshoot, select Advanced
  • HP ProDesk 400 G1 | Maintenance and Service Guide - Page 97
    codes, error messages, and the various indicator light and audible sequences that you may encounter during Power-On Self-Test (POST) or computer restart, the probable source of the problem, and steps you can take to resolve the error condition. POST Message Disabled suppresses most system messages
  • HP ProDesk 400 G1 | Maintenance and Service Guide - Page 98
    problem persists, replace the RTC battery. See the Removal and Replacement section for instructions on added, test using HP-only memory. 4. Verify proper memory module type. RAM failure. 1. Ensure see if the problem remains. Check product documentation for memory support information. Keyboard
  • HP ProDesk 400 G1 | Maintenance and Service Guide - Page 99
    Corrupted Flash Screen image has errors. Reflash the system ROM with the latest BIOS image. 512-Chassis, Rear Chassis, or Front Chassis Fan Fan is not hard drive firmware patch if applicable. (Available at http://www.hp.com/support.) Back up contents and replace hard drive. 2212-USB Key
  • HP ProDesk 400 G1 | Maintenance and Service Guide - Page 100
    action 2. If the error persists and system BIOS has been recently updated, restore previous system BIOS version. 3. If the error still persists, the keys are depressed. 4. Replace keyboard. Parity RAM failure. Run Computer Setup and Diagnostic utilities. 92 Chapter 7 POST error messages
  • HP ProDesk 400 G1 | Maintenance and Service Guide - Page 101
    If fan is plugged in, but is not spinning, then replace fan. Contact an authorized reseller or service provider. Power failure (power supply 1. is overloaded). 2. 3. Check if a device is causing the problem by removing ALL attached devices. Power on the system. If the system enters the POST, then
  • HP ProDesk 400 G1 | Maintenance and Service Guide - Page 102
    stop after fifth iteration but LEDs continue until problem is solved. Red Power LED flashes eight 8 times, once every second BIOS image. 2. Replace the system board. System powers on but is unable to boot. 1. Unplug the AC power cord from the computer, wait 30 seconds, then plug the power
  • HP ProDesk 400 G1 | Maintenance and Service Guide - Page 103
    features, which can be established through the Computer Setup Utilities menu. This computer supports two security password features that are established through the Computer Setup Utilities menu: setup password and power-on password. When you establish only a setup password, any user can access all
  • HP ProDesk 400 G1 | Maintenance and Service Guide - Page 104
    in, the power supply always has voltage applied to the system board even when the unit is turned off. Failure to disconnect the power cord can result briefly touching a grounded metal object. See the Safety & Regulatory Information guide for more information. 3. Remove the access panel. 4. Locate the
  • HP ProDesk 400 G1 | Maintenance and Service Guide - Page 105
    is plugged in, the power supply always has voltage applied to the system board even when the unit is turned off. Failure to disconnect the power cord can result in damage metal object. See the Safety & Regulatory Information guide for more information. 3. Remove the access panel. Deleting a Setup or
  • HP ProDesk 400 G1 | Maintenance and Service Guide - Page 106
    6. Reconnect the external devices. 7. Plug in the computer and turn on power. NOTE: You will receive POST error messages after clearing CMOS and rebooting special system setups along with the date and time. For instructions on Computer Setup, see Computer Setup (F10) Utility on page 55
  • HP ProDesk 400 G1 | Maintenance and Service Guide - Page 107
    USB drive (to download the diagnostics tools to a USB drive, see the instructions in Downloading HP PC Hardware Diagnostics (UEFI) to a USB device on page 99) b. The hard disk drive c. A core set of diagnostics in the BIOS (for memory and hard disk drive) that are accessible only if the USB
  • HP ProDesk 400 G1 | Maintenance and Service Guide - Page 108
    1. Go to http://www.hp.com. 2. Point to Support, located at the top of the page, and then click Download Drivers. 3. In the text box, enter the product name, and then click Go. - or - Click Find Now to let HP automatically detect your product. 4. Select your computer model, and then select your
  • HP ProDesk 400 G1 | Maintenance and Service Guide - Page 109
    includes tools provided by HP and Windows to help you Support. From the Start screen, type help, and then select Help and Support recovery drive that can be used to troubleshoot a computer that is unable to start a recovery drive. Follow the on-screen instructions to continue. ● To create the Windows
  • HP ProDesk 400 G1 | Maintenance and Service Guide - Page 110
    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 G1 | Maintenance and Service Guide - Page 111
    DVD, contact support. Go to http://www.hp.com/support, select your country or region, and follow the on-screen instructions. CAUTION: Using the recovery process helps you restore the operating system, as well as drivers, software, and utilities. To initiate recovery using Windows operating system
  • HP ProDesk 400 G1 | Maintenance and Service Guide - Page 112
    manually HP Recovery Manager (select models only) ● To create recovery discs, your computer must have a DVD writer. Use DVD+R or DVD-R discs (purchased separately). The discs you use will depend on the type of optical drive you are using. NOTE: DVD+R DL, DVD-R DL, or DVD±RW disc are not supported
  • HP ProDesk 400 G1 | Maintenance and Service Guide - Page 113
    recovery media using blank DVD(s), and then click Next. 4. Follow the on-screen instructions. Label each disc after you make it (for example, Recovery 1, Recovery 2), system as well as select drivers and applications if the hard drive becomes corrupted. HP Recovery Disc Creator creates two kinds
  • HP ProDesk 400 G1 | Maintenance and Service Guide - Page 114
    Driver Recovery DVD: 1. Select Start > All Programs > Productivity and Tools > HP Recovery Disc Creator. 2. Select Driver , see Help and Support: Select Start > Help and Support. To create a backup the on-screen instructions to set up your backup. System Restore If you have a problem that might be
  • HP ProDesk 400 G1 | Maintenance and Service Guide - Page 115
    have created, and then reinstalls the operating system, programs, and drivers. However, you must reinstall any software that was not installed on recovery disc set from support. Go to http://www.hp.com/support, select your country or region, and follow the on-screen instructions. NOTE: Always use
  • HP ProDesk 400 G1 | Maintenance and Service Guide - Page 116
    At the HP Recovery Manager screen, follow the on-screen instructions to continue. HP Recovery Disc Creator to create a Windows 7 operating system DVD and a Driver Recovery DVD, use the steps in Using HP is not responding, press and hold the power button for approximately 5 seconds or until the
  • HP ProDesk 400 G1 | Maintenance and Service Guide - Page 117
    support. Go to http://www.hp.com/support, select your country or region, and follow the on-screen instructions restore the operating system, as well as drivers, software, and utilities. To initiate the computer and press Esc as the computer is powering on to see the startup menu. Use the arrow
  • HP ProDesk 400 G1 | Maintenance and Service Guide - Page 118
    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. 110 Chapter 10 System backup and recovery
  • HP ProDesk 400 G1 | Maintenance and Service Guide - Page 119
    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 switches are equipped with internal switches that sense the incoming voltage and automatically switch to the proper voltage. The
  • HP ProDesk 400 G1 | Maintenance and Service Guide - Page 120
    Kingdom (1) BSI France (1) UTE United States (2) UL Germany (1) VDE 1. The flexible cord must be Type HO5VV-F, 3-conductor, 0.75mm2 conductor size. Power cord set fittings (appliance coupler and wall plug) must bear the certification mark of the agency responsible for evaluation in the
  • HP ProDesk 400 G1 | Maintenance and Service Guide - Page 121
    HP ProDesk 400 G1 systems: 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. Flashing the BIOS will reset it back to factory settings. 3. Turn on the system, and while system is powering on, and after the HP
  • HP ProDesk 400 G1 | Maintenance and Service Guide - Page 122
    Exit. 17. Shut down the computer, remove the AC power cord and place the (blue/green) jumper back on header E49. Replace the computer hood and power cord. If Computrace is enabled on the computer, see the service provider for instruction to disable the feature. 114 Appendix B Statement of Volatility
  • HP ProDesk 400 G1 | Maintenance and Service Guide - Page 123
    (38.7°C max wet bulb) 10-90% 5-95% 10-90% 5-95% Maximum Altitude (unpressurized) Operating Nonoperating 10,000 ft 30,000 ft 3048 m 9144 m Power Supply Operating Voltage Range Rated Voltage Range1 Rated Line Frequency Operating Line Frequency 90-264 VAC 100-240 VAC 50-60 Hz 47-63 Hz Standard
  • HP ProDesk 400 G1 | Maintenance and Service Guide - Page 124
    115 computer cleaning 13 Computer Setup access problem 66 country power cord set requirements 112 Customer Support 64 D deleting a Power-On password 97 deleting a Setup password 97 disassembly preparation 17 drive cage removal and replacement 37 Driver Recovery DVD, creating 105 using for restore
  • HP ProDesk 400 G1 | Maintenance and Service Guide - Page 125
    power cord set requirements country specific 112 power supply illustrated 6 operating voltage range 115 Power-On password 96, 97 power-on password 95 printer problems 77 problems 6 product ID locations 4 R rear panel components ProDesk 400 3 recovery discs, steps for creating Windows 7 105
  • HP ProDesk 400 G1 | Maintenance and Service Guide - Page 126
    Windows 7 106 T temperature control 12 tools, servicing 14 Torx T15 screwdriver 14 tower conversion 54 points 104 hard drive recovery 107 Help and Support 103 steps for creating recovery discs 105 creating 105 Windows 8 backup and restore 101 Driver Recovery media 103 f11 recovery 101 hard drive
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Maintenance and Service Guide
HP ProDesk 400 G1 Desktop Mini