HP ProDesk 400 G2.5 Maintenance And Service Manual
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HP ProDesk 400 G2.5 Maintenance And Service Manual

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HP ProDesk 400 G2.5 Small Form Factor

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  • Page 1 Maintenance and Service Guide HP ProDesk 400 G2.5 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 ............................3 2 Illustrated parts catalog ..........................4 Computer major components ..........................4 Misc parts ................................6 Drives ..................................
  • Page 6 SMART ATA drives ..............................17 Cable management .............................. 17 4 Removal and replacement procedures: Small Form Factor ................18 Preparation for disassembly ..........................18 Access panel ................................ 19 Front bezel ................................20 Slim optical drive bezel blank ..........................21 Expansion card ..............................22 Drive cage ................................
  • Page 7 Why run HP PC Hardware Diagnostics ......................109 How to access and run HP PC Hardware Diagnostics ..................109 Downloading HP PC Hardware Diagnostics (UEFI) to a USB device ..............109 10 System backup and recovery ........................111 Backing up, restoring, and recovering in Windows 8.1 or Windows 8 ............. 111 Creating recovery media and backups ...................
  • Page 8 Creating recovery media ......................... 114 Creating recovery media using HP Recovery Manager (select models only) ....114 Creating recovery discs with HP Recovery Disc Creator (select models only) .... 115 Creating recovery discs ................115 Backing up your information ..................116 System Restore ..........................

  • Page 9: 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. NOTE: This computer model can be used in a tower orientation or a desktop orientation.

  • Page 10: Front Panel Components

    Front panel components Drive configuration may vary by model. Some models have a bezel blank covering the optical drive bay. Slim Optical Drive (optional) Headphone Connector SD Card Reader (optional) Hard Drive Activity Light USB 3.0 Ports (blue) Dual-State Power Button Microphone Connector NOTE: The Power On Light is normally white when the power is on.

  • Page 11: Rear Panel Components

    Power Cord Connector 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.

  • Page 12: Illustrated Parts Catalog

    Illustrated parts catalog Computer major components This chapter provides part information for all chassis. Chapter 2 Illustrated parts catalog...
  • Page 13 Item Description Access panel Front bezel Power supply, 180 W Memory modules (PC3-12800) 8-GB 4-GB 2-GB Processors (include replacement thermal material) Intel Core i7 4790s (3.2-GHz, 8-MB L3 cache) Intel Core i7 4770s (3.1-GHz, 8-MB L3 cache) Intel Core i5 4690s (3.2-GHz, 6-MB L3 cache) Intel Core i5 4670s (3.1-GHz, 6-MB L3 cache) Intel Core i5 4590s (3.0-GHz, 6-MB L3 cache) Intel Core i5 4570s (2.9-GHz, 6-MB L3 cache)

  • Page 14: Misc Parts

    Item Description Intel Celeron G1850 (2.9-GHz, 2-MB L3 cache) Intel Celeron G1840 (2.8-GHz, 2-MB L3 cache) Intel Celeron G1830 (2.8-GHz, 2-MB L3 cache) Intel Celeron G1820 (2.7-GHz, 2-MB L3 cache) System board (includes replacement thermal material) For use in models without Windows 8 For use in models with Windows 8 Professional Misc parts Chapter 2 Illustrated parts catalog...
  • Page 15 Adapter for WLAN module, PCI Express x1 expansion adapter USB cable for WLAN module Printer port, PCI card WLAN antennas Card reader HP Ultraslim Keyed Cable Lock Chassis stand Optical drive bezel blank Grommet, hard drive Adapter, DisplayPort to VGA Adapter, DisplayPort to DVI Adapter, DisplayPort to HDMI 1.4...

  • Page 16: Drives

    Drives Description Hard drive 2 TB, 7200 rpm, 3.5 inch 1 TB, 7200 rpm, 3.5 inch 1 TB hard drive, hybrid SSD 500 GB, 7200 rpm, 3.5 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), 2.5-inch 256-GB Solid-state Drive (SSD), 2.5-inch...

  • Page 17: Misc Boards

    Misc boards Description Nvidia NVS310 PCIe x16 graphics card, 512 MB Intel PRO/1000 single port GbE NIC, includes bracket Adapter for WLAN module, PCI Express x1 expansion adapter USB cable for WLAN module Wireless (WLAN) module (requires PCIe x1 adapter) Broadcom Luffy 943228 abgn 2x2 + BT 4 LE PCIe+USB NGFF 2230 Intel Dual Band Wireless-AC 7265, 2x2 Misc boards...

  • Page 18: 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 19: 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 20: 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 21: 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 22: 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 23: 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 24: 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 25: 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 26: 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 27: Access Panel

    Access panel Prepare the computer for disassembly (Preparation for disassembly on page 18). 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. Access panel...

  • Page 28: Front Bezel

    Front bezel Prepare the computer for disassembly (Preparation for disassembly on page 18). Remove the access panel (Access panel on page 19). Lift up the three tabs on the top side of the bezel (1), and then rotate the bezel off the chassis (2). To install the front bezel, reverse the removal procedure.

  • Page 29: Slim Optical Drive Bezel Blank

    Slim optical drive bezel blank On some models, there are bezel blanks covering the 3.5-inch and 5.25-inch external drive bays that need to be removed before installing a drive. To remove a bezel blank: Remove the access panel (Access panel on page 19).

  • Page 30: Expansion Card

    Expansion card Description Nvidia NVS310 PCIe x16 graphics card, 512 MB Intel PRO/1000 single port GbE NIC, includes bracket Adapter for WLAN module, PCI Express x1 expansion adapter USB cable for WLAN module Broadcom Luffy 943228 abgn 2x2 + BT 4 LE PCIe+USB NGFF 2230 Intel Dual Band Wireless-AC 7265, 2x2 The computer has one PCI Express x1 expansion socket and one PCI Express x16 expansion socket.
  • Page 31 If you are installing an expansion card in a vacant PCI Express x16 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. If you are installing an expansion card in a vacant PCI Express x1 socket, insert a flatblade screwdriver into the slots on the rear of expansion slot cover (1) and rock the slot cover back and forth to break it free from the chassis (2).
  • Page 32 If you are removing a PCI Express x1 card, hold the card at each end, and carefully rock it back and forth until the connectors pull free from the socket. Pull the expansion card straight up from the socket. 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.
  • Page 33 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 34: Drive Cage

    Drive cage Prepare the computer for disassembly (Preparation for disassembly on page 18). Remove the access panel (Access panel on page 19). Remove the optical drive (Removing a 9.5mm slim optical drive on page 30). Disconnect the data cable (1) and power cable (2) from the rear of the hard drive, and remove the cables from the retainer clip (3).

  • Page 35: System Board Connections

    System board connections Refer to the following illustration and table to identify the system board connectors for your model. System Board Connector System Board Label Color Component PCI Express x16 X16PCIEXP black Expansion Card PCI Express x1 X1PCIEXP1 black Expansion Card DIMM3 (Channel A) DIMM3 black...

  • Page 36: Drives

    Drives Description Hard drive 2 TB, 7200 rpm, 3.5 inch 1 TB, 7200 rpm, 3.5 inch 1 TB hard drive, hybrid SSD 500 GB, 7200 rpm, 3.5 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), 2.5-inch 256-GB Solid-state Drive (SSD), 2.5-inch...

  • Page 37: Drive Positions

    CAUTION: To prevent loss of work and damage to the computer or drive: If you are inserting or removing a drive, shut down the operating system properly, turn off the computer, and unplug the power cord. Do not remove a drive while the computer is on or in standby mode. Before handling a drive, ensure that you are discharged of static electricity.

  • Page 38: Removing A 9.5Mm Slim Optical Drive

    Removing a 9.5mm 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 18). Remove the access panel (Access panel on page 19).

  • Page 39: Installing A 9.5Mm Slim Optical Drive

    Installing a 9.5mm slim optical drive Prepare the computer for disassembly (Preparation for disassembly on page 18). If the computer is on a stand, remove the computer from the stand. Remove the access panel (Access panel on page 19). Remove the front bezel (Front bezel on page 20) if you are installing a drive in a bay covered by a bezel blank, then remove the bezel blank.

  • Page 40: Removing And Replacing A Hard Drive

    NOTE: Refer to System board connections on page 27 for an illustration of the system board drive connectors. Replace the front bezel if it was removed. Removing and replacing a hard drive NOTE: Before you remove the old hard drive, be sure to back up the data from the old hard drive so that you can transfer the data to the new hard drive.
  • Page 41 Press inward on the drive cage release latch (1), rotate the drive cage up (2), and then slide the tabs on the side of the drive cage out of the chassis (3). Remove the hard drive from the drive cage. ●...
  • Page 42 ● If you are removing a 2.5-inch hard drive, remove the four screws that secure the drive to the drive cage (1) to release the drive (2). Install the new drive in the drive cage. ● If you are installing a 3.5-inch hard drive, slide the drive in the drive cage (1) and secure the drive with four 6-32 standard screws (2).
  • Page 43 ● If you are installing a 2.5-inch hard drive, place the drive in the drive cage (1) and secure the drive with four M3 metric screws (2). NOTE: The four screw holes for the 2.5-inch hard drive are stamped “B” on the top of the drive cage.
  • Page 44 Connect the power cable (1) and data cable (2) to the rear of the hard drive, and route the cables through the retainer clip (3). Slide the optical drive through the front bezel all the way into the bay (1) so that it locks in place (2), and then connect the power cable (3) and data cable (4) to the rear of the drive.

  • Page 45: Memory

    Memory Description 8-GB, PC3-12800 4-GB, PC3-12800 2-GB, PC3-12800 The computer comes with low power double data rate 3 synchronous dynamic random access memory (DDR3L-SDRAM) dual inline memory modules (DIMMs). It also supports standard DDR3-SDRAM 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 46: 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 47 To remove a memory module, open both latches of the memory module socket (1), and then remove the memory module from the socket (2). To install a memory module, open both latches of the memory module socket (1), and insert the memory module into the socket (2).

  • Page 48: 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 18). Remove the access panel (Access panel on page 19).
  • Page 49 Lift the fan sink from atop the processor. 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. CAUTION: Fan sink retaining screws should be tightened in diagonally opposite pairs (as in an X) to evenly seat the fan sink on the processor to avoid damage that could require replacing the system board.

  • Page 50: Processor

    Processor Description Intel Core i7 4790s (3.2-GHz, 8-MB L3 cache) Intel Pentium G3470 (3.6-GHz, 3-MB L3 cache) Intel Core i7 4770s (3.1-GHz, 8-MB L3 cache) Intel Pentium G3460 (3.5-GHz, 3-MB L3 cache) Intel Core i5 4690s (3.2-GHz, 6-MB L3 cache) Intel Pentium G3450 (3.4-GHz, 3-MB L3 cache) Intel Core i5 4690s (3.2-GHz, 6-MB L3 cache) Intel Pentium G3440 (3.3-GHz, 3-MB L3 cache)
  • Page 51 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. Processor...

  • Page 52: 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.
  • Page 53 Disconnect power cables from the PWR system board connector (2) and the PWRCPU system board connector (3). Slide the power supply forward (1), and then lift it out of the chassis (2). To install the power supply, reverse the removal procedure. CAUTION: When installing the power supply cables, make sure they are properly positioned in the clips below the drive cage.

  • Page 54: Front I/O Assembly

    Front I/O assembly The front I/O assembly is under the bezel and contains USB ports and audio connectors. The assembly is secured with one Torx screw and has two cables connected to the system board. Prepare the computer for disassembly (Preparation for disassembly on page 18).
  • Page 55 Remove the Torx T15 screw that secures the assembly to the front of the chassis. Rotate top of assembly downward (1), and then pull the assembly and cables out though the front of the chassis (2). NOTE: Be sure to correctly route the cables beneath the drive cage when reinstalling the assembly. Proper cable routing prevents damage to the cables and allows the drive cage to close properly.

  • Page 56: Power Switch Assembly

    Power switch assembly The power switch assembly sits to the right of the front I/O assembly under the bezel. Prepare the computer for disassembly (Preparation for disassembly on page 18). Remove the access panel (Access panel on page 19). Remove the front bezel (Front bezel on page 20).

  • Page 57: Speaker

    Speaker The speaker is attached to the front of the chassis under the bezel with two Torx screws. Prepare the computer for disassembly (Preparation for disassembly on page 18). Remove the access panel (Access panel on page 19). Remove the front bezel (Front bezel on page 20).
  • Page 58 Lift the speaker out of the chassis (2). To install the speaker, reverse the removal procedures. Chapter 4 Removal and replacement procedures: Small Form Factor...

  • Page 59: System Board

    System board Description System board for use in models without Windows 8.1 (includes thermal material) System board for use in models with Windows 8.1 Professional (includes thermal material) Prepare the computer for disassembly (Preparation for disassembly on page 18). Remove the access panel (Access panel on page 19).

  • Page 60: System Board Callouts

    System board callouts Sys Bd Label Color Component Sys Bd Label Color Component PROCESSOR silver Processor SATA1 Light blue Optical drive or second hard drive PWRCPU White 4-pin processor power SPKR White Speaker CPUFAN White Processor fan MEDIA Black Media connector DIMM3 Black Memory module...

  • Page 61: 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 62: 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 63: 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 64: 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: ● Manufacturer ● Product name ● SKU number ● Serial number ● Asset tag ● Ownership tag ●...

  • Page 65: 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 66: Computer Setup-Security

    Table 5-2 Computer Setup—Storage (continued) 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 (skipping the boot menu) when the monitor light turns green.
  • Page 67 Table 5-3 Computer Setup—Security (continued) NOTE: You must disable AMT before trying to hide the network controller. ● SATA ports (varies by model) USB Security Allows you to set Enabled/Disabled (default is Enabled) for: ● Front USB Ports ● Rear USB Ports Slot Security Allows you to disable any PCI Express slot.

  • Page 68: 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 69: Computer Setup-Advanced

    Table 5-4 Computer Setup—Power Option Description ● OS Power Management Runtime Power Management— Enable/Disable. Allows certain operating systems to reduce processor voltage and frequency when the current software load does not require the full capabilities of the processor. Default is enabled. ●...

  • Page 70: Recovering The Configuration Settings

    Table 5-5 Computer Setup—Advanced (for advanced users) (continued) ● POST Delay (in seconds). Enabling this feature will add a user-specified delay to the POST process. This delay is sometimes needed for hard disks on some PCI cards that spin up very slowly, so slowly that they are not ready to boot by the time POST is finished.

  • Page 71: Troubleshooting Without Diagnostics

    Helpful hints on page 64 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 72: 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 73: 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 74 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 75 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 76 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 77: 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 78: 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 79 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 80: 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 81: 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 82 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 83 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 84 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 85: 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 86 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 87: 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 88: 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 89 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 90: 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 91 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. Solving Hardware Installation Problems...

  • Page 92: 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 93 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 94 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 95 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 96: 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 97: 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 98: 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 99 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 100: 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 101: 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 102: 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 103 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 104: 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 105 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 106 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 107 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 108 Control panel message Description Recommended action 2200-PMM Allocation Error during MEBx Memory error during POST execution of the Reboot the computer. Download Management Engine (ME) BIOS Extensions Unplug the power cord, re-seat the option ROM. memory modules, and reboot the computer.
  • Page 109 Control panel message Description Recommended action If the error still persists, replace the system board. 2211-Memory not configured correctly for DIMM1 or XMM1 is not installed. Make sure there is a memory module in the proper MEBx execution. black DIMM1 socket and that it is properly seated.

  • Page 110: Interpreting Post Diagnostic Front Panel Leds And Audible Codes

    Control panel message Description Recommended action If the error still persists, replace the system board. 2232-AMT error during MEBx execution Error occurred during MEBx execution which Reboot the computer. fails into “AMT” grouping. If the error persists, update to the latest BIOS version and ME firmware version.
  • Page 111 Beeps stop after fifth iteration a DIMM module. but LEDs continue until problem Reseat DIMMs. is solved. Replace DIMMs one at a time to isolate the faulty module. Replace third-party memory with HP memory. Interpreting POST diagnostic front panel LEDs and audible codes 103...
  • Page 112 Activity Beeps Possible cause Recommended action 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. a two second pause. Beeps stop after fifth iteration but LEDs Replace the graphics card.
  • Page 113 Activity Beeps Possible cause Recommended action Press and hold the power button for less than 4 seconds. If the hard drive LED does not turn on white then: Check that the unit is plugged into a working AC outlet. Open hood and check that the power button harness is properly connected to the system board.

  • Page 114: 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 115: 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 116 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 117: 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 118 In the text box, enter the product name, and then click Go. – or – 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.

  • Page 119: 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 120: 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 112.

  • Page 121: 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 122: Creating Recovery Media

    116. 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 123: 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 124: 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 125: 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 126: 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 127: 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 128 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. 120 Chapter 10 System backup and recovery...

  • Page 129: 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 130 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 131 Insert the new battery and position the clip back into place. 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.

  • Page 132: Appendix B Statement Of Volatility

    System BIOS (16M Bytes) and Super I/O’s: masked keyboard ROM (overall 2K Bytes). HP ProDesk 400 G2.5 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 133 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 134: 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 135: 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 136: Appendix D Specifications

    Specifications Chassis (in the desktop position) 3.74 in 95 mm Height 10.63 in 270 mm Width 12.51 in 318 mm Depth Approximate Weight 9.92 lb 4.5 kg Temperature Range 50° to 95°F 10° to 35°C Operating -22° to 140°F -30° to 60°C Nonoperating NOTE: Operating temperature is derated 1.0°...

  • Page 137: Index

    96, 102 Windows 7 113 cable management 17 messages 96 helpful hints 64 cable pinouts, SATA data 17 expansion card HP PC Hardware Diagnostics (UEFI) cautions installation 22 downloading 109 AC power 10 removal 22 HP Recovery Disc Creator, using...
  • Page 138 power-on password 106 front bezel 19, 20 LEDs printer port (expansion), PCI card front I/O assembly 46 blinking PS/2 keyboard 103 illustrated 7 power supply 44 printer problems 79 power switch assembly 48 problems processor 42 media card reader audio 77 speaker 49 problems 72 CD-ROM or DVD 90...
  • Page 139 System Recovery, Windows 7 117 recovery partition 111 system restore points, creating restoring the hard drive 111 Windows 7 114 Windows 8.1 System Restore, Windows 7 116 backup and restore 111 Driver Recovery media 113 f11 recovery 111 tamper-proof screws hard drive recovery 111 tool 15 operating system DVD 113...

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