HP ProDesk 400 G2 Small Form Factor Maintenance And Service Manual
  1. Manuals
  2. Brands
  3. HP Manuals
  4. Desktop
  5. ProDesk 400 G2 Small Form Factor
  6. Maintenance and service manual

HP ProDesk 400 G2 Small Form Factor Maintenance And Service Manual

Hide thumbs
Table of Contents

Advertisement

Quick Links

Maintenance and Service Guide
HP ProDesk 400 G2 Small Form Factor

Advertisement

Table of Contents
loading

Related Manuals for HP ProDesk 400 G2 Small Form Factor

Summary of Contents for HP ProDesk 400 G2 Small Form Factor

  • Page 1 Maintenance and Service Guide HP ProDesk 400 G2 Small Form Factor...
  • Page 2 Microsoft and Windows are U.S. registered trademarks of the Microsoft group of companies. The only warranties for 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.

  • Page 3: About This Book

    About This Book WARNING! Text set off in this manner indicates that failure to follow directions could result in bodily harm or loss of life. CAUTION: Text set off in this manner indicates that failure to follow directions could result in damage to equipment or loss of information.
  • Page 4 About This Book...

  • Page 5: Table Of Contents

    Table of contents 1 Product features ............................1 Standard configuration features ........................... 1 Front panel components ............................2 Rear panel components ............................3 Serial number location ............................4 2 Illustrated parts catalog ..........................5 Computer major components ..........................5 Cables ..................................7 Misc parts ................................
  • Page 6 SATA data cable ..........................18 SMART ATA drives ..............................18 Cable management .............................. 18 4 Removal and replacement procedures: Small Form Factor ................19 Preparation for disassembly ..........................19 Access panel ................................ 20 Front bezel ................................21 Front bezel security ............................. 22 Bezel blanks .................................
  • Page 7 Clearing and resetting the CMOS ........................116 9 HP PC Hardware Diagnostics ........................118 Why run HP PC Hardware Diagnostics ......................118 How to access and run HP PC Hardware Diagnostics ..................118 Downloading HP PC Hardware Diagnostics (UEFI) to a USB device ..............118...
  • Page 8 Creating recovery media ......................... 123 Creating recovery media using HP Recovery Manager (select models only) ....123 Creating recovery discs with HP Recovery Disc Creator (select models only) .... 124 Creating recovery discs ................124 Backing up your information ..................125 System Restore ..........................

  • Page 9: Product Features

    Product features Standard configuration features Features may vary depending on the model. For a complete listing of the hardware and software installed in the computer, run the diagnostic utility (included on some computer models only). NOTE: This computer model can be used in a tower orientation or a desktop orientation. Standard configuration features...

  • Page 10: Front Panel Components

    Front panel components Drive configuration may vary by model. Some models have a bezel blank covering one or more drive bays. Slim Optical Drive (optional) Headphone Connector USB 2.0 Ports (black) Dual-State Power Button USB 3.0 Ports (blue) Hard Drive Activity Light Microphone Connector 3.5-inch Media Card Reader (optional) NOTE:...

  • Page 11: Rear Panel Components

    (green) NOTE: An optional second serial port and an optional parallel port are available from HP. When a graphics card is installed in one of the system board slots, the video connectors on the graphics card and the integrated graphics on the system board may be used at the same time. However, for such a configuration, only the display connected to the discrete graphics card will display POST messages.

  • Page 12: Serial Number Location

    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. Chapter 1 Product features...

  • Page 13: Illustrated Parts Catalog

    Illustrated parts catalog Computer major components This chapter provides part information for all chassis. Item Description Front bezel Access panel Power supply 240W, 85% efficient 240W, standard Computer major components...
  • Page 14 Item Description System board (includes replacement thermal material) For use in models without Windows 8 For use in models with Windows 8 Standard For use in models with Windows 8 Professional For use in models with NetClone (the People’s Republic of China only) Memory modules (PC3,12800, CL11) 8-GB 4-GB...

  • Page 15: Cables

    Item Description Intel Pentium G3450 (3.4-GHz, 3-MB L3 cache), 54W Intel Pentium G3440 (3.3-GHz, 3-MB L3 cache), 54W Intel Pentium G3430 (3.3-GHz, 3-MB L3 cache), 54W Intel Pentium G3420 (3.2-GHz, 3-MB L3 cache), 54W Intel Pentium G3250 (3.2-GHz, 3-MB L3 cache), 53W Intel Pentium G3240 (3.1-GHz, 3-MB L3 cache), 54W Intel Pentium G3220 (3.0-GHz, 3-MB L3 cache), 54W Intel Celeron G1850 (2.9-GHz, 2-MB L3 cache)

  • Page 16: Misc Parts

    Card reader, 15-in-1, USB 3.0, 3.5-inch, UHS-II Adapter, USB 3.0 to 2.0 Optical drive bezel blank Grommet, hard drive HP Ultraslim Keyed Cable Lock Clamp lock, universal cable, without plate Chassis stand Hard drive carrier, 2.5-inch to 3.5-inch WLAN antennas...

  • Page 17: Drives

    Washable HP USB Antimicrobial USB, optical Keyboard PS/2 Wireless, HP Elite with USB dongle (for use only in Brazil) Unbranded USB, unbranded, Katydid Smart card, CCID Wireless keyboard, mouse, and dongle kit (for use in all countries except for Brazil)

  • Page 18: Misc Boards

    Description 128-GB Solid-state Drive (SSD), self-encrypting (SED) 120-GB Solid-state Drive (SSD), MLC 32-GB Solid-state Drive (SSD), 2.5 inch, MLC Optical drive Blu-ray BD-RW SuperMulti XL Drive DVD±RW drive DVD-ROM drive NOTE: 2.5-inch solid-state drives require an adapter for installation. Misc boards Description Nvidia NVS310 PCIe x16 graphics card, 512 MB Nvidia NVS315 PCIe x16 graphics card, 1 GB...

  • Page 19: Routine Care, Sata Drive Guidelines, And Disassembly Preparation

    Routine care, SATA drive guidelines, and disassembly preparation This chapter provides general service information for the computer. Adherence to the procedures and precautions described in this chapter is essential for proper service. CAUTION: When the computer is plugged into an AC power source, voltage is always applied to the system board.

  • Page 20: Generating Static

    Generating static The following table shows that: ● Different activities generate different amounts of static electricity. ● Static electricity increases as humidity decreases. Relative Humidity Event Walking across carpet 7,500 V 15,000 V 35,000 V Walking across vinyl floor 3,000 V 5,000 V 12,000 V Motions of bench worker...

  • Page 21: Grounding The Work Area

    ● Heel straps/Toe straps/Boot straps can be used at standing workstations and are compatible with most types of shoes or boots. On conductive floors or dissipative floor mats, use them on both feet with a maximum of one-megohm ± 10% resistance between the operator and ground. Static Shielding Protection Levels Method Voltage...

  • Page 22: Operating Guidelines

    ● Transparent metallized shielding bags ● Transparent shielding tubes Operating guidelines To prevent overheating and to help prolong the life of the computer: ● Keep the computer away from excessive moisture, direct sunlight, and extremes of heat and cold. ● Operate the computer on a sturdy, level surface.

  • Page 23: Cleaning The Keyboard

    To clean the computer case, follow the procedures described below: ● To remove light stains or dirt, use plain water with a clean, lint-free cloth or swab. ● For stronger stains, use a mild dishwashing liquid diluted with water. Rinse well by wiping it with a cloth or swab dampened with clear water.

  • Page 24: Service Considerations

    If an incorrect screw is used during the reassembly process, it can damage the unit. HP strongly recommends that all screws removed during disassembly be kept with the part that was removed, then returned to their proper locations.

  • Page 25: Hard Drives

    Batteries, battery packs, and accumulators should not be disposed of together with the general household waste. In order to forward them to recycling or proper disposal, please use the public collection system or return them to HP, their authorized partners, or their agents. SATA hard drives...

  • Page 26: Sata Hard Drive Cables

    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 overflexed. Never crease a SATA data cable and never bend it tighter than a 30 mm (1.18 in) radius.

  • Page 27: Removal And Replacement Procedures: Small Form Factor

    Removal and replacement procedures: Small Form Factor Adherence to the procedures and precautions described in this chapter is essential for proper service. After completing all necessary removal and replacement procedures, run the Diagnostics utility to verify that all components operate properly. NOTE: Not all features listed in this guide are available on all computers.

  • Page 28: Access Panel

    Access panel Prepare the computer for disassembly (Preparation for disassembly on page 19). Loosen the thumbscrew on the rear of the computer (1) then slide the panel back (2) and lift if off the computer (3). To install the access panel, reverse the removal procedure. Chapter 4 Removal and replacement procedures: Small Form Factor...

  • Page 29: Front Bezel

    Front bezel Prepare the computer for disassembly (Preparation for disassembly on page 19). Remove the access panel (Access panel on page 20). Lift up the three tabs on the side of the bezel (1), then rotate the bezel off the chassis (2). To install the front bezel, reverse the removal procedure.

  • Page 30: Front Bezel Security

    Front bezel security The front bezel can be locked in place by installing a security screw provided by HP. To install the security screw: Prepare the computer for disassembly (Preparation for disassembly on page 19). Remove the access panel (Access panel on page 20).

  • Page 31: Bezel Blanks

    (3) and slide the bezel blank back and to the right to remove it (4). NOTE: After removing the slim optical drive bezel blank and installing a slim optical drive, you can install an optional bezel trim piece (available from HP) that surrounds the front of the slim optical drive. Bezel blanks...

  • Page 32: Memory

    Memory Description 8-GB, PC3-12800 4-GB, PC3-12800 2-GB, PC3-12800 The computer comes with double data rate 3 synchronous dynamic random access memory (DDR3-SDRAM) dual inline memory modules (DIMMs). DIMMs The memory sockets on the system board can be populated with up to two industry-standard DIMMs. These memory sockets are populated with at least one preinstalled DIMM.

  • Page 33: Populating Dimm Sockets

    Populating DIMM sockets There are two DIMM sockets on the system board, with one socket per channel. The sockets are labeled DIMM1 and DIMM3. Socket DIMM1 operates in memory channel B. Socket DIMM3 operates in memory channel The system will automatically operate in single channel mode, dual channel mode, or flex mode, depending on how the DIMMs are installed.
  • Page 34 Open both latches of the memory module socket (1), and insert the memory module into the socket (2). NOTE: A memory module can be installed in only one way. Match the notch on the module with the tab on the memory socket. For maximum performance, populate the sockets so that the memory capacity is spread as equally as possible between Channel A and Channel B.

  • Page 35: Expansion Card

    Expansion card Description Nvidia NVS310 PCIe x16 graphics card, 512 MB Nvidia NVS315 PCIe x16 graphics card, 1 GB AMD Radeon HD8490 DP PCIe x16 graphics card, 1 GB AMD Radeon HD8450 PCIe x16 graphics card, 1 GB AMD Radeon HD8350 DH PCIe x16 graphics card, 1 GB DDR3 Intel PRO/1000 single port GbE NIC, includes bracket Intel 802.11 a/b/g/n + Bluetooth 4.0 Wireless NIC Intel Dual Band Wireless-N 7260 802.11 a/b/g/n (2x2) Wireless NIC...
  • Page 36 NOTE: Before removing an installed expansion card, disconnect any cables that may be attached to the expansion card. If you are installing an expansion card in a vacant socket, remove the appropriate expansion slot cover on the back of the chassis. Pull the slot cover straight up then away from the inside of the chassis.
  • Page 37 If you are removing a PCI Express x16 card, pull the retention arm on the back of the expansion socket away from the card and carefully rock the card back and forth until the connectors pull free from the socket. Pull the expansion card straight up from the socket then away from the inside of the chassis to release it from the chassis frame.

  • Page 38: System Board Connections

    To install a new expansion card, hold the card just above the expansion socket on the system board then move the card toward the rear of the chassis (1) so that the bracket on the card is aligned with the open slot on the rear of the chassis.
  • Page 39 System Board Connector System Board Label Color Component PCI Express x1 X1PCIEXP3 black Expansion Card PCI Express x1 X1PCIEXP2 black Expansion Card PCI Express x1 X1PCIEXP1 black Expansion Card PCI Express x16 X16PCIEXP black Expansion Card Parallel Port black Optional Parallel Port Serial Port COMB black...

  • Page 40: Drives

    Drives Description Hard drive 2 TB, 7200 rpm, 3.5 inch 1 TB, 10000 rpm 1 TB, 7200 rpm, 3.5 inch 1 TB hard drive, hybrid SSD 500 GB, 10000 rpm 500 GB, 7200 rpm, 2.5 inch 500 GB, 7200 rpm, 2.5 inch, self-encrypting (SED) 500 GB, 5400 rpm, 2.5 inch, FIPS 500 GB hard drive, hybrid SSD 256-GB Solid-state Drive (SSD), self-encrypting (SED)
  • Page 41 You must install guide screws to ensure the drive will line up correctly in the drive cage and lock in place. HP has provided four extra 6-32 standard guide screws installed on the top of the drive bay. The 6-32 standard guide screws are required for a media card reader or a secondary hard drive installed in the 3.5-inch optional drive bay.

  • Page 42: Drive Positions

    Drive positions Slim optical drive bay 3.5-inch internal hard drive bay 3.5-inch drive bay for optional drives (media card reader shown) 2.5-inch internal hard drive bay NOTE: The drive configuration on your computer may be different than the drive configuration shown above. To verify the type and size of the storage devices installed in the computer, run Computer Setup.

  • Page 43: Installing A 3.5-Inch Device

    Disconnect the drive cables from the rear of the drive, or, if you are removing a media card reader, disconnect the USB cable from the system board as indicated in the following illustration. Press inward on the release lever at the rear of the device (1) and slide the device out of the rear of the drive bay (2).
  • Page 44 Install 6-32 guide screws in the holes on each side of the device. NOTE: HP has supplied four extra 6-32 guide screws on top of the drive cage. Refer to Drives on page 32 for an illustration of the extra guide screws location.
  • Page 45 Slide the device into the drive bay, making sure to align the guide screws with the guide slots, until the device snaps into place. If installing a USB 3.0 media card reader, you must use the USB 3.0 to USB 2.0 adapter and connect the adapter cable from the media card reader to the USB 2.0 connector on the system board labeled MEDIA.

  • Page 46: Removing A Slim Optical Drive

    Removing a slim optical drive CAUTION: All removable media should be taken out of a drive before removing the drive from the computer. Prepare the computer for disassembly (Preparation for disassembly on page 19). Remove the access panel (Access panel on page 20).

  • Page 47: Installing A Slim Optical Drive

    Installing a slim optical drive Prepare the computer for disassembly (Preparation for disassembly on page 19). If the computer is on a stand, remove the computer from the stand. Remove the access panel (Access panel on page 20). Remove the front bezel (Front bezel on page 21) if you are installing a drive in a bay covered by a bezel blank, then remove the bezel blank.

  • Page 48: Removing And Replacing A 3.5-Inch Hard Drive

    Replace the front bezel if it was removed. NOTE: An optional bezel trim piece that surrounds the front of the optical drive is available from HP. Install the bezel trim piece in the front bezel before installing the front bezel.
  • Page 49 Pull the release lever next to the rear of the hard drive outward (1). While pulling the release lever out, slide the drive back until it stops, then lift the drive up and out of the bay (2). 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.
  • Page 50 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. Connect the power cable and data cable to the back of the hard drive. NOTE: The data cable for the primary hard drive must be connected to the dark blue connector labeled SATA0 on the system board to avoid any hard drive performance problems.

  • Page 51: Removing A 2.5-Inch Hard Drive

    Removing a 2.5-inch hard drive Prepare the computer for disassembly (Preparation for disassembly on page 19). Remove the access panel (Access panel on page 20). Rotate the drive cage to its upright position. Disconnect the power cable and data cable from the back of the hard drive. Pull outward on the release lever at the rear of the drive (1) then slide the drive back until it stops and pull it down and out of the drive bay (2).
  • Page 52 Install four black and blue M3 isolation mounting guide screws (two on each side of the drive). NOTE: M3 metric isolation mounting guide screws can be purchased from HP. When replacing a drive, transfer the four M3 isolation mounting guide screws from the old drive to the new one.

  • Page 53: Power Supply

    WARNING! To reduce potential safety issues, only the power supply provided with the computer, a replacement power supply provided by HP, or a power supply purchased as an accessory from HP should be used with the computer. The power supply is located at the rear of the chassis. It is held in place by three Torx screws outside of the chassis and a release lever inside of the chassis.
  • Page 54 From the outside, rear of the computer, remove the three Torx screws that secure the power supply to the rear of the chassis. From the inside of the chassis, press the release button at the front of the power supply (1). Slide the power supply forward (2), and then lift it out of the chassis (3).

  • Page 55: Fan Duct

    Fan duct The fan duct sits between the front fan and the heat sink. Prepare the computer for disassembly (Preparation for disassembly on page 19). Remove the access panel (Access panel on page 20). Rotate the fan duct upward. Pull the duct away from the chassis to disengage the clips on the duct from the chassis. To install the fan duct, insert the clips on the edge of the fan onto the metal posts on the chassis.

  • Page 56: Front I/O Assembly

    Front I/O assembly Prepare the computer for disassembly (Preparation for disassembly on page 19). Remove the access panel (Access panel on page 20). Remove the front bezel (Front bezel on page 21). Rotate the drive cage to its upright position. Cut the plastic tie that secures the longer cable to the power supply.
  • Page 57 Remove the cables from the cable clips under the drive cage. Remove the Torx T15 screw (1) that secures the assembly to the front of the chassis. Front I/O assembly...
  • Page 58 Press the tab on the right side of the assembly (2) to disengage it from the chassis. Push the assembly into the chassis, and then remove it from the chassis. To install the assembly, insert the assembly from the inside of the chassis, and then pull the tab on the left side of the assembly out the front of the chassis.

  • Page 59: Power Switch Assembly

    Power switch assembly Prepare the computer for disassembly (Preparation for disassembly on page 19). Remove the access panel (Access panel on page 20). Remove the front bezel (Front bezel on page 21). Rotate the drive cage to its upright position. Disconnect the cable from the system board connector labeled PB/LED.
  • Page 60 From the inside of the chassis, press down on the tab on the top of the power switch to disengage the power switch from the chassis. Pull the power switch out the front of the chassis, while routing the cable through the hole in the chassis.

  • Page 61: Speaker

    Speaker The speaker is attached to the front of the chassis under the rotating drive cage. Prepare the computer for disassembly (Preparation for disassembly on page 19). Remove the access panel (Access panel on page 20). Remove the front bezel (Front bezel on page 21).
  • Page 62 Lift the speaker from the inside of the chassis to remove it. To install the speaker, reverse the removal procedures. Chapter 4 Removal and replacement procedures: Small Form Factor...

  • Page 63: Fan Sink

    Fan sink The fan sink is secured atop the processor with four captive Torx screws. The fan sink includes a heat sink and a fan. Prepare the computer for disassembly (Preparation for disassembly on page 19). Remove the access panel (Access panel on page 20).
  • Page 64 Disconnect the fan cable from the system board connector labeled CPUFAN (1), and then lift the heat sink from atop the processor (2). When reinstalling the fan sink, make sure that its bottom has been cleaned with an alcohol wipe and fresh thermal grease has been applied to the top of the processor.

  • Page 65: Processor

    Processor Description Intel Core i7 4790 (3.6-GHz, 8-MB L3 cache), 84W Intel Core i7 4790s (3.2-GHz, 8-MB L3 cache), 65W Intel Core i7 4771 (3.5-GHz, 8-MB L3 cache), 84W Intel Core i7 4770 (3.4-GHz, 8-MB L3 cache), 84W Intel Core i7 4770s (3.1-GHz, 8-MB L3 cache), 65W Intel Core i5 4690 (3.5-GHz, 6-MB L3 cache), 84W Intel Core i5 4690s (3.2-GHz, 6-MB L3 cache), 65W Intel Core i5 4670 (3.4-GHz, 6-MB L3 cache), 84W...
  • Page 66 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://www8.hp.com/us/en/support-drivers.html. Chapter 4 Removal and replacement procedures: Small Form Factor...

  • Page 67: System Board

    System board Description System board for use in models without Windows 8 (includes thermal material) System board for use in models with Windows 8 Standard (includes thermal material) System board for use in models with Windows 8 Professional (includes thermal material) System board for use only in models in the People’s Republic of China with NetClone (includes thermal material) Prepare the computer for disassembly (Preparation for disassembly on page...

  • Page 68: Changing From Desktop To Tower Configuration

    Orient the computer so that its right side is facing down 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. Reconnect the power cord and any external devices, then turn on the computer.

  • Page 69: Computer Setup (F10) Utility

    Computer Setup (F10) Utility Computer Setup (F10) Utilities Use Computer Setup (F10) Utility to do the following: ● Change factory default settings. ● Set the system date and time. ● Set, view, change, or verify the system configuration, including settings for processor, graphics, memory, audio, storage, communications, and input devices.

  • Page 70: Using Computer Setup (F10) Utilities

    Using Computer Setup (F10) Utilities Computer Setup can be accessed only by turning the computer on or restarting the system. To access the Computer Setup Utilities menu, complete the following steps: Turn on or restart the computer. Repeatedly press when the monitor light turns green to access the utility. You can also press to a menu that allows you to access different options available at startup, including the Computer Setup utility.

  • Page 71: Computer Setup-File

    Computer Setup—File NOTE: Support for specific Computer Setup options may vary depending on the hardware configuration. Table 5-1 Computer Setup—File Option Description System Information Lists: ● Product name ● Manufacturer ● SKU number ● Processor type/speed/stepping ● Cache size (L1/L2/L3) (dual core processors have this listed twice) ●...

  • Page 72: Computer Setup-Storage

    Computer Setup—Storage NOTE: Support for specific Computer Setup options may vary depending on the hardware configuration. Table 5-2 Computer Setup—Storage Option Description Device Configuration Lists all installed BIOS-controlled storage devices. When a device is selected, detailed information and options are displayed. The following options may be presented: ●...

  • Page 73: Computer Setup-Security

    Table 5-2 Computer Setup—Storage (continued) NOTE: MS-DOS drive lettering assignments may not apply after a non-MS-DOS operating system has started. Shortcut to Temporarily Override Boot Order To boot one time from a device other than the default device specified in Boot Order, restart the computer and press (to access the boot menu) and then (Boot Order), or only...
  • Page 74 Table 5-3 Computer Setup—Security (continued) Device Security Allows you to set Device Available/Device Hidden (default is Device Available) for: ● Embedded security device ● System audio ● USB controller (varies by model) ● Network controller NOTE: You must disable AMT before trying to hide the network controller. ●...
  • Page 75 Table 5-3 Computer Setup—Security (continued) CAUTION: Restoring a previously saved MBR after a disk utility or operating system has modified the MBR, may cause the data on the disk to become inaccessible. Only restore a previously saved MBR if you are confident that the current bootable disk's MBR has been corrupted or infected with a virus.

  • Page 76: Computer Setup-Power

    (PK) that verifies kernels during system start up, allowing you to use alternative operating systems. Selecting HP Keys causes the computer boot using the preloaded HP-specific boot keys. Default is HP Keys.

  • Page 77: Computer Setup-Advanced

    Table 5-4 Computer Setup—Power (continued) ◦ S4 (Hibernation)= 4 blinks at 1Hz (50% duty cycle) followed by a pause of 2 seconds (white LED) — repeated cycles of 4 blinks and a pause. ◦ S5 (Soft Off) = LED is off. Hardware Power SATA Power Management –...
  • Page 78 Table 5-5 Computer Setup—Advanced (for advanced users) (continued) ◦ Previous state—causes the computer to power on automatically as soon as power is restored, if it was on when power was lost. NOTE: If you turn off power to the computer using the switch on a power strip, you will not be able to use the suspend/sleep feature or the Remote Management features.

  • Page 79: Recovering The Configuration Settings

    Table 5-5 Computer Setup—Advanced (for advanced users) (continued) ● 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 disable processor hyper-threading. ● Turbo Mode (enable/disable). Allows you to enable and disable the Intel Turbo Mode feature, which allows one core of the system to run at a higher than standard frequency and power if other cores are idle.

  • Page 80: Troubleshooting Without Diagnostics

    Helpful hints on page 73 in this guide. To assist you in resolving problems online, HP Instant Support Professional Edition provides you with self- solve diagnostics. If you need to contact HP support, use HP Instant Support Professional Edition's online chat feature.

  • Page 81: Helpful Hints

    If it becomes necessary to call for technical assistance, be prepared to do the following to ensure that your service call is handled properly: ● Be in front of your computer when you call. ● Write down the computer serial number, product ID number, and monitor serial number before calling. ●...

  • Page 82: Solving General Problems

    ● If you have installed an operating system other than the factory-installed operating system, check to be sure that it is supported on the system. ● If the system has multiple video sources (embedded, PCI, or PCI-Express adapters) installed (embedded video on some models only) and a single monitor, the monitor must be plugged into the monitor connector on the source selected as the primary VGA adapter.
  • Page 83 In case of forgotten password, power loss, or computer malfunction, you must manually disable the Smart Cover lock . A key to unlock the Smart Cover Lock is not available from HP. Keys are typically available from a hardware store.
  • Page 84 Poor performance. Cause Solution Make sure the processor heat sink is installed properly. Hard drive is full. Transfer data from the hard drive to create more space on the hard drive. Low on memory. Add more memory. Hard drive fragmented. Defragment hard drive.
  • Page 85 Computer powered off automatically and the Power LED flashes Red two times, once every second, followed by a two second pause, and the computer beeps two times. (Beeps stop after fifth iteration but LEDs continue flashing). Cause Solution Processor thermal protection activated: Ensure that the computer air vents are not blocked and the processor cooling fan is running.

  • Page 86: Solving Power Problems

    Solving power problems Common causes and solutions for power problems are listed in the following table. Power supply shuts down intermittently. Cause Solution If equipped with a voltage selector, voltage selector switch on Select the proper AC voltage using the selector switch. rear of computer chassis (some models) not switched to correct line voltage (115V or 230V).

  • Page 87: Solving Hard Drive Problems

    Solving hard drive problems Hard drive error occurs. Cause Solution Hard disk has bad sectors or has failed. In Windows 7, click Start, click Computer, and right-click on a drive. Select Properties, and then select the Tools tab. Under Error-checking click Check Now. In Windows 8, on the Start screen type e, and then select File Explorer from the list of applications.
  • Page 88 Nonsystem disk/NTLDR missing message. Cause Solution The system is trying to start from the hard drive but the hard ▲ Perform Drive Protection System (DPS) testing in system drive may have been damaged. ROM. System files missing or not properly installed. Insert bootable media and restart the computer.

  • Page 89: Solving Media Card Reader Problems

    Solving media card reader problems Media card will not work in a digital camera after formatting it in Windows. Cause Solution By default, Windows will format any media card with a capacity Either format the media card in the digital camera or select FAT greater than 32MB with the FAT32 format.

  • Page 90: Solving Display Problems

    Do not know how to remove a media card correctly. Cause Solution NOTE: Never remove the card when the green LED is flashing After installing the media card reader and booting to Windows, the reader and the inserted cards are not recognized by the computer.
  • Page 91 Reseat DIMMs. Power on the system. Replace DIMMs one at a time to isolate the faulty module. Replace third-party memory with HP memory. 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 computer beeps six times.
  • Page 92 Blank screen and the power LED flashes Red seven times, once every second, followed by a two second pause, and the computer beeps seven times. (Beeps stop after fifth iteration but LEDs continue flashing.) Cause Solution System board failure (ROM detected failure prior to video). Replace the system board.
  • Page 93 Image is not centered. Cause Solution Position may need adjustment. Press the monitor's Menu button to access the OSD menu. Select ImageControl/ Horizontal Position or Vertical Position to adjust the horizontal or vertical position of the image. “No Connection, Check Signal Cable” displays on screen. Cause Solution Monitor video cable is disconnected.

  • Page 94: Solving Audio Problems

    Web site, select the appropriate monitor, and download either SP32347 or SP32202: http://www.hp.com/support Graphics card is not seated properly or is bad (some models). Reseat the graphics card. Replace the graphics card.
  • Page 95 Sound does not come out of the speaker or headphones. Cause Solution Software volume control is turned down or muted. Double-click the Speaker icon on the taskbar, then make sure that Mute is not selected and use the volume slider to adjust the volume.

  • Page 96: Solving Printer Problems

    Computer appears to be locked up while recording audio. Cause Solution The hard disk may be full. Before recording, make sure there is enough free space on the hard disk. You can also try recording the audio file in a compressed format.

  • Page 97: Solving Keyboard And Mouse Problems

    Printer will not print. Cause Solution If you are on a network, you may not have made the connection Make the proper network connections to the printer. to the printer. Printer may have failed. Run printer self-test. Printer will not turn on. Cause Solution The cables may not be connected properly.
  • Page 98 Keyboard commands and typing are not recognized by the computer. Cause Solution Keyboard connector is not properly connected. Shut down the computer, reconnect the keyboard to the back of the computer, and then restart the computer. Program in use has stopped responding to commands. Shut down your computer using the mouse and then restart the computer.

  • Page 99: Solving Hardware Installation Problems

    Mouse does not respond to movement or is too slow. Cause Solution Mouse may need repair. See the Worldwide Limited Warranty for terms and conditions. Computer is in Sleep state. Press the power button to resume from Sleep state. CAUTION: When attempting to resume from Sleep state, do not hold down the power button for more than four seconds.
  • Page 100 Replace DIMMs one at a time to isolate the faulty module. NOTE: DIMM1 or XMM1 must always be installed. DIMM1 must be installed before DIMM2, and DIMM3 must be installed before DIMM4 Replace third-party memory with HP memory. Replace the system board. Chapter 6 Troubleshooting without diagnostics...

  • Page 101: Solving Network Problems

    Power LED flashes Red six times, once every second, followed by a two second pause, and the computer beeps six times. (Beeps stop after fifth iteration but LEDs continue flashing.) Cause Solution Graphics card (some models) is not seated properly or is bad, or For systems with a graphics card: system board is bad.
  • Page 102 Table 6-2 Solving Network Problems (continued) Wake-on-LAN feature is not functioning. Cause Solution From the Start screen, type c, and then select Control Panel from the list of applications. Select Network and Sharing Center, and then click the Ethernet link next to the connection. Click the Properties button.
  • Page 103 Table 6-2 Solving Network Problems (continued) Network status link light never flashes. NOTE: The network status light is supposed to flash when there is network activity. Cause Solution To access Device Manager in Windows 7, click Start, select Control Panel, and then select Device Manager. To access Device Manager in Windows 8, from the Start screen, type c, select Control Panel from the list of applications, and then select Device Manager.
  • Page 104 Network controller stopped working when an expansion board was added to the computer. Cause Solution Network controller interrupt is shared with an expansion board. Under the Computer Setup Advanced menu, change the resource settings for the board. The network controller requires drivers. Verify that the drivers were not accidentally deleted when the drivers for a new expansion board were installed.

  • Page 105: Solving Memory Problems

    Management Engine (ME) settings). To avoid damage to the DIMMs or the system board, you must unplug the computer power cord before attempting to reseat, 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 not boot the operating system.

  • Page 106: Solving Processor Problems

    Memory is installed incorrectly or is bad. Reseat DIMMs. Power on the system. Replace DIMMs one at a time to isolate the faulty module. Replace third-party memory with HP memory. Replace the system board. Solving processor problems If you encounter processor problems, common causes and solutions are listed in the following table.

  • Page 107: Solving Cd-Rom And Dvd Problems

    Solving CD-ROM and DVD problems If you encounter CD-ROM or DVD problems, see the common causes and solutions listed in the following table or to the documentation that came with the optional device. System will not boot from CD-ROM or DVD drive. Cause Solution The device is attached to a SATA port that has been hidden in the...
  • Page 108 Movie will not play in the DVD drive. Cause Solution Decoder software is not installed. Install decoder software. Damaged media. Replace media. Movie rating locked out by parental lock. Use DVD software to remove parental lock. Media installed upside down. Reinstall media.

  • Page 109: Solving Usb Flash Drive Problems

    Solving USB flash drive problems 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 Windows. Cause Solution The drive letter after the last physical drive is not available. Change the default drive letter for the flash drive in Windows.

  • Page 110: Solving Internet Access Problems

    A USB device, headphone, or microphone is not recognized by the computer. Cause Solution The correct device driver is not installed. Install the correct driver for the device. You might need to reboot the computer. The cable from the device to the computer does not work. If possible, replace the cable.

  • Page 111: Solving Software Problems

    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, see the applicable solutions listed in the following table. Computer will not continue and the HP logo does not display. Cause Solution ROM issue - POST error has occurred.
  • Page 112 Computer will not continue after HP logo screen displays. Cause Solution To access Automatic Repair: Press the Windows logo to open the Settings charm. Select Change PC Settings, select General, and then under Advanced startup, click Restart now. Select Troubleshoot, select Advanced options, and then select Automatic Repair.

  • Page 113: Post Error Messages

    POST error messages This appendix lists the error 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 during POST, such as memory count and non- error text messages.
  • Page 114 Memory configuration incorrect. Run Computer Setup or Windows utilities. Make sure the memory module(s) are installed properly. If third-party memory has been added, test using HP-only memory. Verify proper memory module type. 201-Memory Error RAM failure. Ensure memory modules are correctly installed.
  • Page 115 Control panel message Description Recommended action 219-ECC Memory Module Detected ECC Recently added memory module(s) support ECC If additional memory was recently added, Modules not supported on this Platform memory error correction. remove it to see if the problem remains. Check product documentation for memory support information.
  • Page 116 Control panel message Description Recommended action 515-Power Supply fan not detected Power supply fan is not connected or may have Reseat power supply fan. malfunctioned. Reseat fan cable. Replace power supply fan. 601-Diskette Controller Error Diskette controller circuitry or floppy drive Check and/or replace cables.
  • Page 117 System test under using F2 Diagnostics when booting the computer. Apply hard drive firmware patch if applicable. (Available at http://www.hp.com/support.) Back up contents and replace hard drive. 1796-SATA Cabling Error One or more SATA devices are improperly Ensure SATA connectors are used in ascending attached.
  • Page 118 Control panel message Description Recommended action If the memory configuration was recently changed, unplug the power cord, restore the original memory configuration, and reboot the computer. If the error persists, replace the system board. 2203-Setup error during MEBx execution MEBx selection or exit resulted in a setup Reboot the computer.
  • Page 119 Control panel message Description Recommended action 2219-USB Key Provisioning file has invalid Provisioning file contained on the USB key has Recreate the provisioning file using third header identifier been corrupted or is not a valid version for the party management console software. current ME firmware.

  • Page 120: Interpreting Post Diagnostic Front Panel Leds And Audible Codes

    Control panel message Description Recommended action Invalid Electronic Serial Number Electronic serial number is missing. Enter the correct serial number in Computer Setup. Network Server Mode Active and No Keyboard Keyboard failure while Network Server Mode Reconnect keyboard with computer Attached enabled.
  • Page 121 Reseat DIMMs. is solved. Replace DIMMs one at a time to isolate the faulty module. Replace third-party memory with HP memory. Replace the system board. Red Power LED flashes six times, Pre-video graphics error. For systems with a graphics card: once every second, followed by Reseat the graphics card.
  • Page 122 Activity Beeps Possible cause Recommended action Replace the system board. Replace the processor. Red Power LED flashes ten Bad option card. Check each option card by removing the card times, once every second, (one at a time if multiple cards), then power on followed by a two second pause.

  • Page 123: Password Security And Resetting Cmos

    Password security and resetting CMOS This computer supports security password 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 the information on the computer except Computer Setup.

  • Page 124: Clearing And Resetting The Cmos

    Illustrated Parts & Service Map (IPSM). The IPSM can be downloaded from http://www.hp.com/support. Remove the jumper from pins 1 and 2. Place the jumper on either pin 1 or 2, but not both, so that it does not get lost.
  • Page 125 Turn off the computer and any external devices, and disconnect the power cord from the power outlet. Disconnect the keyboard, monitor, and any other external equipment connected to the computer. WARNING! To reduce the risk of personal injury from electrical shock and/or hot surfaces, be sure to disconnect the power cord from the wall outlet, and allow the internal system components to cool before touching.

  • Page 126: Hp Pc Hardware Diagnostics

    Why run HP PC Hardware Diagnostics The HP PC Hardware Diagnostic tools simplify the process of diagnosing hardware issues and expedite the support process when issues are found. The tools save time by pinpointing the component that needs to be replaced.
  • Page 127 Click Find Now to let HP automatically detect your product. Select your computer model, and then select your operating system. In the Diagnostic section, click HP UEFI Support Environment. Click Download, and then select Run. Downloading HP PC Hardware Diagnostics (UEFI) to a USB device 119...

  • Page 128: 10 System Backup And Recovery

    Backing up, restoring, and recovering in Windows 8.1 or Windows 8 Your computer includes tools provided by HP and Windows to help you safeguard your information and retrieve it if you ever need to. These tools will help you return your computer to a proper working state or even back to the original factory state, all with simple steps.

  • Page 129: Using Reset When The System Is Not Responding

    For Windows 8, from the Start screen, type c, and then select Computer. NOTE: If the HP Recovery partition is not listed, or you cannot check for its presence, you must recover using the recovery media you created; see Recovery using the Windows recovery USB flash drive on page 121.

  • Page 130: Recovery Using Windows Operating System Media (Purchased Separately)

    Backing up, restoring, and recovering in Windows 7 Your computer includes tools provided by HP and Windows to help you safeguard your information and retrieve it if you ever need to. These tools will help you return your computer to a proper working state or even back to the original factory state, all with simple steps.

  • Page 131: Creating Recovery Media

    125. NOTE: HP recommends that you print the recovery procedures and save them for later use, in case of system instability. Creating recovery media After you successfully set up the computer, create recovery media. The media can be used to reinstall the original operating system in cases where the hard drive is corrupted or has been replaced.

  • Page 132: Creating Recovery Discs With Hp Recovery Disc Creator (Select Models Only)

    Creating recovery discs with HP Recovery Disc Creator (select models only) HP Recovery Disc Creator is a software program that offers an alternative way to create recovery discs on select models. After you successfully set up the computer, you can create recovery discs using HP Recovery Disc Creator.

  • Page 133: Backing Up Your Information

    Select Start > All Programs > Productivity and Tools > HP Recovery Disc Creator. Select Windows disk. From the drop-down menu, select the drive for burning the recovery media. Click the Create button to start the burning process. Label the disc after you create it, and store it in a secure place.

  • Page 134: System Recovery

    If you were not able to create system recovery DVDs or USB flash drive, you can order a recovery disc set from support. Go to http://www.hp.com/support, select your country or region, and follow the on-screen instructions.

  • Page 135: System Recovery When Windows Is Not Responding

    Disconnect all peripheral devices from the computer, except the monitor, keyboard, and mouse. Press the power button to turn on the computer. As soon as you see the HP logo screen, repeatedly press the key on your keyboard until the Windows is Loading Files…...

  • Page 136: Using Hp Recovery Disc Operating System Discs (Select Models Only)

    Using HP Recovery Disc operating system discs (select models only) Use the steps provided in this section if you used HP Recovery Disc Creator to create a Windows 7 operating system DVD and a Driver Recovery DVD. If you created recovery media using...
  • Page 137 After the repair is completed: Eject the Windows 7 operating system DVD and then insert the Driver Recovery DVD. 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...

  • Page 138: Appendix A Battery Replacement

    The lithium battery is only used when the computer is NOT connected to AC power. HP encourages customers to recycle used electronic hardware, HP original print cartridges, and rechargeable batteries. For more information about recycling programs, go to http://www.hp.com/recycle.
  • Page 139 Slide the replacement battery into position, positive side up. The battery holder automatically secures the battery in the proper position. Type 2 To release the battery from its holder, squeeze the metal clamp that extends above one edge of the battery. When the battery pops up, lift it out (1). To insert the new battery, slide one edge of the replacement battery under the holder’s lip with the positive side up.
  • Page 140 NOTE: After the battery has been replaced, use the following steps to complete this procedure. Replace the access panel. Plug in the computer and turn on power to the computer. Reset the date and time, your passwords, and any special system setups using Computer Setup. Lock any security devices that were disengaged when the access panel was removed.

  • Page 141: Appendix B Statement Of Volatility

    Bytes) and Super I/O’s: masked keyboard ROM (overall 2K Bytes). HP ProDesk 400 G2 Small Form Factor models include a Trusted Platform Module (TPM) that contains 16K Bytes of non-volatile memory for user data. The volatile memory will not hold any user data once power has been removed for 30 seconds or longer.
  • Page 142 To clear the Setup or Power-On passwords if set, and clear any other settings, power down the computer and remove the AC power cord and the computer hood. Locate the green two pin password jumper on header E49 (labeled PSWD) and remove it. Remove the AC power, wait 10 seconds until the unit AC power has drained out, then press the clear CMOS button.

  • Page 143: Appendix C Power Cord Set Requirements

    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 switches are equipped with internal switches that sense the incoming voltage and automatically switch to the proper voltage.

  • Page 144: Country-Specific Requirements

    Country-specific requirements Additional requirements specific to a country are shown in parentheses and explained below. Country Accrediting Agency Country Accrediting Agency Australia (1) EANSW Italy (1) Austria (1) Japan (3) METI Belgium (1) CEBC Norway (1) NEMKO Canada (2) Sweden (1) SEMKO Denmark (1) DEMKO...

  • Page 145: Appendix D Specifications

    Specifications Chassis (in the desktop position) 3.93 in 100 mm Height 13.26 in 33.7 cm Width 14.98 in 380 mm Depth Approximate Weight 13.0 lb 5.9 kg Weight Supported (maximum distributed load in desktop position) 77 lb 35 kg Temperature Range 50°...

  • Page 146: Index

    Windows 7 122 f11 recovery, Windows 8 120 cables 16 helpful hints 73 f11 recovery, Windows 8.1 120 cooling fan 16 HP PC Hardware Diagnostics (UEFI) fan duct electrostatic discharge 11 downloading 118 illustrated 8 keyboard cleaning 15 HP Recovery Disc Creator, using...
  • Page 147 power problems 78 recovery USB flash drive, steps for keyboard power supply creating Windows 7 124 cleaning 15 fan 16 recovery using Windows 8 operating keyboard problems 89 illustrated 5 system media 122 operating voltage range 137 recovery using Windows 8.1 removal and replacement 45 operating system media 122 LEDs...
  • Page 148 speaker System Recovery using recovery illustrated 8 media 127 removal and replacement 53 System Restore 125 specifications Windows 7 operating system discs computer 137 using for restore 128 memory 24 Windows 7 operating system DVD static electricity 12 creating 124 system board using for restore 128 illustrated 6...

Table of Contents