HP Pro 3400 Maintenance And Service Manual

HP Pro 3400 Maintenance And Service Manual

Microtower business pc/small form factor business pc
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Maintenance & Service Guide
HP Pro 3400 Microtower Business PC
HP Pro 3405 Microtower Business PC
HP Pro 3410 Microtower Business PC
HP Pro 3410 Small Form Factor Business PC

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Summary of Contents for HP Pro 3400

  • Page 1 Maintenance & Service Guide HP Pro 3400 Microtower Business PC HP Pro 3405 Microtower Business PC HP Pro 3410 Microtower Business PC HP Pro 3410 Small Form Factor Business PC...
  • Page 2 Hewlett-Packard Company. Maintenance & Service Guide HP Pro 3400 Microtower Business PC HP Pro 3405 Microtower Business PC HP Pro 3410 Microtower Business PC HP Pro 3410 Small Form Factor Business...
  • 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 Feature Overview ..........................1 Microtower Components ........................3 Small Form Factor Components ......................4 2 Installing and Customizing the Software ...................... 5 Installing the Operating System ......................5 Downloading Microsoft Windows Updates ................... 5 Installing or Upgrading Device Drivers (Windows systems) ..............
  • Page 6 Computer major components .................... 26 Cables ..........................28 Misc Parts .......................... 29 Drives ..........................30 Misc Boards ........................30 Sequential Part Number Listing ..................30 5 Serial ATA (SATA) Drive Guidelines and Features ..................33 SATA Hard Drives ..........................33 SATA Hard Drive Cables ........................
  • Page 7 Front Bezel ............................44 Memory .............................. 45 DDR3-SDRAM DIMMs ...................... 45 Populating DIMM Sockets ....................46 Removing Memory Modules ....................47 Expansion Cards ..........................49 Cable Management ..........................55 Cable Connections ......................56 Drives ..............................57 Installing Additional Drives ....................58 System Board Drive Connections ..............
  • Page 8 Fan Sink ............................108 Processor ............................110 Power Supply ........................... 112 System Board ........................... 114 Battery .............................. 116 Appendix A Connector Pin Assignments ....................118 Ethernet BNC ........................... 118 USB ..............................118 Microphone ............................118 Headphone ............................119 Line-in Audio ............................ 119 Line-out Audio ..........................
  • Page 9 Solving Audio Problems ........................158 Solving Printer Problems ........................160 Solving Keyboard and Mouse Problems ..................161 Solving Hardware Installation Problems ................... 163 Solving Network Problems ....................... 165 Solving Memory Problems ....................... 167 Solving Processor Problems ......................169 Solving CD-ROM and DVD Problems ....................169 Solving USB Flash Drive Problems ....................
  • Page 11: Product Features

    Feature Overview The HP Pro 3400 series includes the following features: ● Choice of Intel® (HP Pro 3400 and HP Pro 3410) or AMD processor (HP Pro 3405) ● Choice of integrated graphics or ATI or NVIDIA graphics cards ●...
  • Page 12 Realtek RTL8111E PCI-E Gigabit Ethernet Controller (HP 3405 Pro only) and Integrated Realtek RTL8111EL PCI-E Gigabit Ethernet Controller ( HP 3410 Pro only) ● 10 USB 2.0 ports on HP Pro 3400 (5 on board header (including 2 on Front I/O, 4 rear, 1 mini card) ●...
  • Page 13: Microtower Components

    Front I/O includes: (2) USB 2.0 ports, dedicated Display (sold separately) headphone output, microphone jack (1) internal 3.5” hard drive bays HP Pro 3400 and HP Pro 3405 only, HP Pro 3410 has no mini PCI slot Microtower Components...
  • Page 14: Small Form Factor Components

    Small Form Factor Components Table 1-2 Microtower Components External 5.25” drive bay for optical drive Power Supply Internal 3.5” hard drive bay USB Scroll Mouse Rear I/O includes: (3) PCIe x1 slots, (1) PCIe x16 HP USB Standard Value Keyboard slot, (1) miniPCI slot, (4) USB 2.0 ports, RJ-45 network interface, DVI and VGA video interfaces, microphone jack, audio in/out jacks (5.1 channel...
  • Page 15: Installing And Customizing The Software

    Installing and Customizing the Software If your computer was not shipped with a Microsoft operating system, some portions of this documentation do not apply. Additional information is available in online help after you install the operating system. NOTE: If the computer was shipped with Windows 7 loaded, you will be prompted to register the computer with HP Total Care before installing the operating system.
  • Page 16: Installing Or Upgrading Device Drivers (Windows Systems)

    Select the All Programs menu. Click on the Windows Update link. The Windows Update screen appears. Click view available updates and make sure all critical updates are selected. Click the Install button and follow the instructions on the screen. It is recommended that you install all of the critical updates and service packs. After the updates have been installed, Windows will prompt you to reboot the machine.
  • Page 17: 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 18: Using Computer Setup (F10) Utilities

    ● Solve system configuration errors detected but not automatically fixed during the Power-On Self- Test (POST). ● Replicate the system setup by saving system configuration information on a USB device and restoring it on one or more computers. ● Execute self-tests on a specified ATA hard drive (when supported by drive). ●...
  • Page 19: Computer Setup-File

    Computer Setup—File NOTE: Support for specific Computer Setup options may vary depending on the hardware configuration. Table 3-2 Computer Setup—File Option Description System Information Lists: ● Product name ● SKU number (some models) ● Processor type/speed/stepping ● Cache size (L1/L2/L3) (dual core processors have this listed twice) ●...
  • Page 20: Computer Setup-Storage

    Computer Setup—Storage NOTE: Support for specific Computer Setup options may vary depending on the hardware configuration. Table 3-3 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: Hard Disk: Size, model, firmware version, serial number.
  • Page 21 Table 3-3 Computer Setup—Storage (continued) DPS Self-Test Allows you to execute self-tests on ATA hard drives capable of performing the Drive Protection System (DPS) self-tests. NOTE: This selection will only appear when at least one drive capable of performing the DPS self-tests is attached to the system.
  • Page 22: Computer Setup-Security

    Computer Setup—Security NOTE: Support for specific Computer Setup options may vary depending on the hardware configuration. Table 3-4 Computer Setup—Security Option Description Setup Password Allows you to set and enable a setup (administrator) password. NOTE: If the setup password is set, it is required to change Computer Setup options, flash the ROM, and make changes to certain plug and play settings under Windows.
  • Page 23 Table 3-4 Computer Setup—Security (continued) USB Security Allows you to set Enabled/Disabled (default is Enabled) for: ● Front USB Ports ◦ USB Port 3 ◦ USB Port 4 ● Rear USB Ports ◦ USB Port 8 ◦ USB Port 9 ◦...
  • Page 24 Table 3-4 Computer Setup—Security (continued) System IDs Allows you to view: ● Product Name ● Serial number ● Universal Unique Identifier (UUID) number. The UUID can only be updated if the current chassis serial number is invalid. (These ID numbers are normally set in the factory and are used to uniquely identify the system.) ●...
  • Page 25: Computer Setup-Power

    Computer Setup—Power NOTE: Support for specific Computer Setup options may vary depending on the hardware configuration. Table 3-5 Computer Setup—Power Option Description Hardware Power SATA Power Management – Enables or disables SATA bus and/or device power management. Management Default is enabled. S5 Maximum Power Savings –...
  • Page 26: Computer Setup-Advanced

    Computer Setup—Advanced NOTE: Support for specific Computer Setup options may vary depending on the hardware configuration. Table 3-6 Computer Setup—Advanced (for advanced users) Option Heading Power-On Options Allows you to set: ● POST messages (enable/disable). Default is disabled. ● After Power Loss (off/on/previous state). Default is Power off. Setting this option to: ◦...
  • Page 27: Recovering The Configuration Settings

    Recovering the Configuration Settings This method of recovery requires that you first perform the Save to Removable Media command with the Computer Setup (F10) Utility before Restore is needed. NOTE: It is recommended that you save any modified computer configuration settings to a USB flash media device and save the device for possible future use.
  • Page 28: Illustrated Parts Catalog

    Illustrated parts catalog This chapter provides spare part information for all chassis. Microtower Chassis Spare Parts Computer Major Components Chapter 4 Illustrated parts catalog...
  • Page 29 Item Description Spare part number Access panel 674373-001 Front bezel For use in only the EMEA region 667849-001 With optical drive door for use in Brazil 667849-201 For use in the North America and Latin America regions 670692-001 Power supply, 300W 300W, active PFC, not for use in Brazil 656721-001 300W...
  • Page 30 Item Description Spare part number Intel Celeron G540 (2.5-GHz, 2-MB L3 cache; not for use in Brazil) 665119-001 Intel Celeron G530 (2.4-GHz, 2-MB L3 cache; not for use in Brazil) 665117-001 Intel Celeron G440 (1.6-GHz, 1-MB L3 cache; not for use in Brazil) 665467-001 AMD Advanced Processing Units (APUs) (for use in model 3405) A-Series, X4 A8-3800 (2.4 GHz, 4-MB L2 cache, 65W;...
  • Page 31: Cables

    Cables Item Description Spare part number Power switch/LED assembly 667850-001 SATA cable, 165 mm 657102-001 SATA cable, 254 mm 667854-001 Adapter, DVI to VGA, HF (not illustrated) 657401-001 Microtower Chassis Spare Parts...
  • Page 32: Misc Parts

    Misc Parts Item Description Spare part number Fan sink (includes replacement thermal material) For use in models with Intel processors 667727-001 For use in models with AMD processors 657402-001 Front I/O and USB assembly Does not include card reader 667853-001 Includes card reader 667852-001 Chassis fan...
  • Page 33: Drives

    Drives Description Spare part number Hard drive 2-TB, 5400-rpm 613210-001 1.5-TB, 7200-rpm 613209-001 1.5-TB, 5400-rpm 652272-001 1-TB, 7200-rpm 667719-001 750-GB, 7200-rpm 632938-001 500-GB, 7200-rpm 667720-001 250-GB, 7200-rpm 621419-001 Optical drive 16X SATA DVD-ROM drive (not for Brazil) 581599-001 16X SATA DVD±RW drive 581600-001 Misc Boards Description...
  • Page 34: Sequential Part Number Listing

    Sequential Part Number Listing Spare part Description number 434645-001 Chassis fan for use in Brazil 514238-001 Chassis fan for use in Brazil 530593-001 Rubber feet 581599-001 16X SATA DVD-ROM drive (not for Brazil) 581600-001 16X SATA DVD±RW drive 585157-001 Memory module, 4-GB, PC3 10600, 1333-MH 596410-001 Mouse, USB, optical 613209-001...
  • Page 35 Spare part Description number 657402-001 Fan sink for use in models with Intel processors (includes replacement thermal material) 656721-001 Power supply, 300W, active PFC, not for use in Brazil 656790-001 Intel Core i5 2405S (2.5-GHz, 6-MB L3 cache; not for use in Brazil) 657102-001 SATA cable, 165 mm 657402-001...
  • Page 36: Small Form Factor (Sff) Chassis Spare Parts

    Spare part Description number 667849-001 Front bezel for use in the EMEA region 667849-201 Front bezel with optical drive door for use in Brazil 667850-001 Power switch/LED assembly with cable 674373-001 Access panel 667852-001 Front I/O and USB assembly; includes card reader 667853-001 Front I/O and USB assembly;...
  • Page 37 Item Description Spare part number System board (includes replacement thermal material) 665223-001 Memory modules (PC3-10600, 1333-MHz; not illustrated) 4-GB 585157-001 2-GB 635803-001 1-GB 635802-001 Processors (include replacement thermal material; not illustrated) Intel Core i7 processor: 2600S (2.8-GHz, 8-MB L3 cache, 65W) 638419-001 Intel Core i5 processors: 2500S (2.7-GHz, 6-MB L3 cache, 65W)
  • Page 38: Cables

    Cables Item Description Spare part number Power switch/LED assembly 656984-001 SATA cable, 370 mm 656833-001 Chapter 4 Illustrated parts catalog...
  • Page 39: Misc Parts

    Misc Parts Item Description Spare part number Chassis fan 656834-001 Fan sink (includes replacement thermal material) 657402-001 Front I/O and card reader (6-in-1) 656983-001 DVI to VGA adapter (not illustrated) 202997-001 DVI to VGA adapter, HF (not illustrated) 657401-001 DVI to VGA adapter, HF, 29-pin (not illustrated) 657851-001 RTC battery (not illustrated) 319603-001...
  • Page 40: Drives

    Drives Description Spare part number Hard drive 2-TB, 7200-rpm 616608-001 1.5-TB, 7200-rpm 613209-001 1-TB, 7200-rpm 621418-001 750-GB, 7200-rpm 632938-001 500-GB, 7200-rpm 621421-001 320-GB, 7200-rpm 621420-001 Optical drive 16X SATA DVD±RW drive 581600-001 DVD-ROM drive 581599-001 Misc Boards Description Spare part number nVidia GeForce GT530 2-GB graphics adapter 659354-001 nVidia GeForce 405 PCIe x16 graphics card, 1 GB...
  • Page 41 Spare part Description number 621420-001 320-GB, 7200-rpm hard drive 621421-001 500-GB, 7200-rpm hard drive 632938-001 750-GB, 7200-rpm hard drive 635802-001 Memory module, 1-GB, PC3 10600, 1333-MHz 635803-001 Memory module, 2-GB, PC3 10600, 1333-MHz 638419-001 Intel Core i7 2600S processor (2.7-GHz, 8-MB L3 cache, 65W) 638420-001 Intel Core i5 2500S processor (2.7-GHz, 6-MB L3 cache, 65W) 638628-001...
  • Page 42 Spare part Description number 660261-001 Feet 665117-001 Intel Pentium Dual-Core G530 processor (2.4 GHz, 2-MB L3 cache, 65W) 665118-001 Intel Pentium Dual-Core G530T processor (2.0 GHz, 2-MB L3 cache, 35W) 665119-001 Intel Pentium Dual-Core G540 processor (2.5 GHz, 2-MB L3 cache, 65W) 665120-001 Intel Core i3 2130 processor (3.4 GHz, 3-MB L3 cache, 65W) 665121-001...
  • Page 43: Serial Ata (Sata) Drive Guidelines And Features

    Serial ATA (SATA) Drive Guidelines and Features NOTE: HP only supports the use of SATA hard drives on these models of computer. No Parallel ATA (PATA) drives are supported. SATA Hard Drives Serial ATA Hard Drive Characteristics Number of pins/conductors in data cable Number of pins in power cable Maximum data cable length 39.37 in (100 cm)
  • Page 44: Smart Ata Drives

    SMART ATA Drives The Self Monitoring Analysis and Recording Technology (SMART) ATA drives for the HP Personal Computers have built-in drive failure prediction that warns the user or network administrator of an impending failure or crash of the hard drive. The SMART drive tracks fault prediction and failure indication parameters such as reallocated sector count, spin retry count, and calibration retry count.
  • Page 45: Routine Care And Disassembly Preparation

    Routine Care 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 46: Preventing Electrostatic Damage To Equipment

    Removing DIPs* from vinyl tray 2,000 V 4,000 V 11,500 V Removing DIPs* from Styrofoam 3,500 V 5,000 V 14,500 V Removing bubble pack from PCB 7,000 V 20,000 V 26,500 V Packing PCBs in foam-lined box 5,000 V 11,000 V 21,000 V *These are then multi-packaged inside plastic tubes, trays, or Styrofoam.
  • Page 47: Grounding The Work Area

    Grounding the Work Area To prevent static damage at the work area, use the following precautions: ● Cover the work surface with approved static-dissipative material. Provide a wrist strap connected to the work surface and properly grounded tools and equipment. ●...
  • Page 48: Operating Guidelines

    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. Leave a 10.2-cm (4-inch) clearance on all vented sides of the computer and above the monitor to permit the required airflow.
  • Page 49: 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 50: Cleaning The Mouse

    Cleaning the Mouse Before cleaning the mouse, ensure that the power to the computer is turned off. ● Clean the mouse ball by first removing the retaining plate and the ball from the housing. Pull out any debris from the ball socket and wipe the ball with a clean, dry cloth before reassembly. ●...
  • Page 51: Cables And Connectors

    Cables and Connectors Most cables used throughout the unit are flat, flexible cables. These cables must be handled with care to avoid damage. Apply only the tension required to seat or unseat the cables during insertion or removal from the connector. Handle cables by the connector whenever possible. In all cases, avoid bending or twisting the cables, and ensure that the cables are routed in such a way that they cannot be caught or snagged by parts being removed or replaced.
  • Page 52: Removal And Replacement Procedures - Microtower Chassis

    Removal and Replacement Procedures – Microtower Chassis 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 53: Access Panel

    Access Panel Description Spare part number Access panel 674373-001 Prepare the computer for disassembly (Preparation for Disassembly on page 42). Loosen the captive Torx screw (1) on the back panel that secures the panel to the computer. Slide the side panel toward the back (2), and then pull it away from the computer. NOTE: Lay the computer on its side to install internal parts.
  • Page 54: Front Bezel

    Front Bezel Description Spare part number Front bezel for use in EMEA region only 667849-001 Front bezel with optical drive door for use in Brazil 667849-201 Front bezel with for use in North American and Latin American regions 670692-001 Prepare the computer for disassembly (Preparation for Disassembly on page 42).
  • Page 55: Memory

    Memory Description Spare part number 4-GB, PC3-10600 585157-001 2-GB, PC3-10600 635803-001 1-GB, PC3-10600 635802-001 The computer comes with double data rate 3 synchronous dynamic random access memory (DDR3- SDRAM) dual inline memory modules (DIMMs). DDR3-SDRAM DIMMs The system board offers two memory sockets. These memory sockets are populated with at least one preinstalled DIMM.
  • Page 56: Populating Dimm Sockets

    Populating DIMM Sockets Populate the DIMM sockets in the following order: XMM1, XMM2 or Channel A, Channel B. Figure 7-3 DIMM Socket Locations (HP Pro 3400 model shown) Table 7-1 DIMM Sockets Description Socket Color Insertion Order XMM1 socket, Channel A...
  • Page 57: Removing Memory Modules

    ● The system will operate in flex mode if the total memory capacity of the DIMMs in Channel A is not equal to the total memory capacity of the DIMMs in Channel B. In flex mode, the channel populated with the least amount of memory describes the total amount of memory assigned to dual channel and the remainder is assigned to single channel.
  • Page 58 Open both latches (1) of the memory module socket , and remove the memory module from the socket (2). Figure 7-4 Removing a DIMM To install a memory module, reverse the removal procedures. NOTE: A memory module can be installed in only one way. Match the notch on the module with the tab on the memory socket.
  • Page 59: Expansion Cards

    PCI 2.3 slots. Can accommodate an expansion card up to 17.46 cm 2 (HP Pro 3410 only) (6.875 inches) in length. PCI Express x1 slots 3 (HP Pro 3400 and HP Pro 3405); 1 (HP Pro 3410) PCI Express x16 slots MiniPCI slot...
  • Page 60 Figure 7-5 Expansion Slot Locations (HP Pro 3400/3405 [3400 shown]) Table 7-3 Expansion Slots Item Description PCIe X16 PCI Express x16 expansion slot PCIe x1 PCIe x1 expansion slot PCIe x1 PCIe x1 expansion slot PCIe x1 PCIe x1 expansion slot...
  • Page 61 Figure 7-6 Expansion Slot Locations (HP Pro 3410) NOTE: Board appearance and color may vary. NOTE: You can install a PCI Express x1, x4, x8, or x16 expansion card in the PCI Express x16 expansion slot. Table 7-4 Expansion Slots Item Description PCIe X16...
  • Page 62 On the rear of the computer, a slot cover lock secures the expansion card brackets in place. Remove the screw from the slot cover lock then slide the slot cover lock up to remove it from the chassis. Figure 7-7 Opening the Slot Cover Lock Before installing an expansion card, remove the expansion slot cover or the existing expansion card.
  • Page 63 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. Be sure not to scrape the card against the other components. Figure 7-9 Removing a PCI Express x1 Expansion Card If you are removing a PCI Express x16 card, pull the retention arm on the back of the...
  • Page 64 If you are not installing a new expansion card, install an expansion slot cover to close the open slot. CAUTION: After removing an expansion card, you must replace it with a new card or expansion slot cover for proper cooling of internal components during operation. 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 so that the bottom of the bracket on the card slides into the small slot on the chassis.
  • Page 65: Cable Management

    Connect external cables to the installed card, if needed. Connect internal cables to the system board, if needed. Reconfigure the computer, if necessary. Refer to Computer Setup (F10) Utility on page 7 instructions on using Computer Setup. Cable Management Always follow good cable management practices when working inside the computer. ●...
  • Page 66: Cable Connections

    F_PANEL black Power switch F_AUDIO yellow Front I/O audio F_USB1 white HP Pro 3400/3410: Media card reader HP Pro 3405: Front I/O USB F_USB2 white HP Pro 3400/3410:Front I/O USB HP Pro 3405: Media card reader F_USB3 white HP Pro 3400/3410:Front I/O USB...
  • Page 67: Drives

    Drives Description Spare part number 16X SATA DVD±RW drive 581600-001 6X SATA DVD-ROM drive (not for Brazil) 581599-001 2 TB, 7200 rpm SATA hard drive 613210-001 1.5 TB, 7200 rpm SATA hard drive 613209-001 1.5-TB, 5400-rpm SATA hard drive 652272-001 1 TB, 7200 rpm SATA hard drive 667719-001 750 GB, 7200 rpm SATA hard drive...
  • Page 68: Installing Additional Drives

    Connect an optical drive to the light blue SATA connector on the system board labeled SATA2. ● Connect a media card reader to: ◦ HP Pro 3400/3410: F_USB1 system board connector ◦ HP Pro 3405: F_USB2 system board connector ●...
  • Page 69: System Board Drive Connections

    System Board Drive Connections Refer to the following illustration and table to identify the system board drive connectors. Figure 7-13 System Board Drive Connections (HP Pro 3400 shown) Table 7-6 System Board Drive Connections System Board Connector System Board Label...
  • Page 70 Figure 7-14 System Board Drive Connections (HP Pro 3405 shown) Table 7-7 System Board Drive Connections – Model 3405 System Board Connector System Board Label Color SATA1 SATA1 dark blue SATA2 SATA2 white SATA3 SATA3 light blue SATA4 SATA4 orange Media Card Reader F_USB2 white...
  • Page 71: Removing An Optical Drive

    Removing an Optical Drive CAUTION: All removable media should be taken out of a drive before removing the drive from the computer. To remove an optical drive: Prepare the computer for disassembly (Preparation for Disassembly on page 42). Remove the access panel (Access Panel on page 43).
  • Page 72 Slide the hard drive toward the bottom of the computer (3), and then remove it from the computer.. Figure 7-16 Removing the hard drive To install a hard drive, reverse the removal procedures. Chapter 7 Removal and Replacement Procedures – Microtower Chassis...
  • Page 73: Front I/O And Usb Panel Housing Assembly

    F_AUDIO – yellow connector F_AUDIO – yellow connector F_USB2 – white connector F_USB1 – white connector F_USB3 – white connector F_USB4 – white connector Figure 7-17 Front I/O connectors- HP Pro 3400/3410 models[3400 shown) Front I/O and USB Panel Housing Assembly...
  • Page 74 Figure 7-18 Front I/O connectors — HP Pro 3405 models Push in on the lever to the left of the assembly. Figure 7-19 Front I/O connectors Pull the assembly outward away from the front of the chassis while guiding the cables through the hole in the chassis.
  • Page 75 When installing the assembly, note that the cable closest to the front of the computer has two separate connectors that plug into the same system board connector. Figure 7-20 Front I/O connectors Front I/O and USB Panel Housing Assembly...
  • Page 76: Power Switch/Led Assembly

    Power Switch/LED Assembly Description Spare part number Power switch/LED assembly 667850-001 Prepare the computer for disassembly (Preparation for Disassembly on page 42). Remove the access panel (Access Panel on page 43). Remove the front bezel (Front Bezel on page 44). Remove the optical drive (Removing an Optical Drive on page 61).
  • Page 77 Pull the power switch away from the chassis while guiding the wires through the hole in the chassis. Figure 7-22 Removing the power switch assembly To install the power switch/LED assembly, reverse the removal procedures. Power Switch/LED Assembly...
  • Page 78: System Fan

    System Fan Description Spare part number Chassis fan for use in EMEA, North American, and Latin American regions; not for Brazil 657103-001 Chassis fan for use in Brazil 514238-001 434645-001 Prepare the computer for disassembly (Preparation for Disassembly on page 42).
  • Page 79 From the inside of the computer, disconnect the cable from the red/brown system board connector labeled SYS_FAN (1), pull the fan into the chassis until it clears the chassis lip, and then lift it out of the chassis (2). Figure 7-24 Removing the fan To install the fan, reverse the removal procedures.
  • Page 80: Fan Sink Assembly

    Fan Sink Assembly Description Spare part number Fan sink for use in models with Intel processors 667727-001 Fan sink for use in models with AMD processors 657402-001 Prepare the computer for disassembly (Preparation for Disassembly on page 42). Remove the access panel (Access Panel on page 43).
  • Page 81: Processor

    Processor HP Pro 3400/3410 uses Intel processors. HP Pro 3405 uses AMD processors. Description Spare part number Intel Core i7 processors 2600S (2.7 GHz, 8-MB L3 cache; not for Brazil) 638419-001 2600 (3.4 GHz, 8-MB L3 cache, 95W) 638632-001 Intel Core i5 processors 2500 (3.3 GHz, 6-MB L3 cache;...
  • Page 82 Description Spare part number X2 A4-3400 (2.7 GHz, 4-MB L2 cache, 65W; Radeon HD6530D graphics core) 667725-001 X2 E2-3200 (2.4 GHz, 1-MB L2 cache, 65W; Radeon HD6370D graphics core) 667726-001 Prepare the computer for disassembly (Preparation for Disassembly on page 42).
  • Page 83 If removing an AMD processor, rotate the locking lever to its full open position (1), and then carefully lift the processor from the socket (2). CAUTION: Do NOT handle the pins in the processor socket. These pins are very fragile and handling them could cause irreparable damage.
  • Page 84 If using a new fan sink, remove the protective covering from the bottom of the fan sink and place it in position atop the processor. Secure the fan sink to the system board and system board tray with the 4 captive screws and attach the fan sink control cable to the system board.
  • Page 85: Power Supply

    Power Supply Description Spare part number Power supply, 300W (Active PFC; not for use in Brazil) 656721-001 Power supply, 300W 664862-001 WARNING! Voltage is always present on the system board when the computer is plugged into an active AC outlet. To avoid possible personal injury and damage to the equipment the power cord should be disconnected from the computer and/or the AC outlet before opening the computer.
  • Page 86: System Board

    Slide the power supply toward the front of the computer (2), then lift the power supply out of the computer (3). Figure 7-29 Removing the power supply To install the power supply, reverse the removal procedure. System Board Description Spare part number System board for use in 3400 models with Intel processors (includes thermal material) 660281-001 System board for use in 3410 models with Intel processors in Brazil (includes thermal material)
  • Page 87: Battery

    Slide the system board toward the front of the chassis, and then lift it up and out of the chassis. Figure 7-30 Removing the system board (HP Pro 3400 shown) To install the system board, reverse the removal procedure. NOTE: When replacing the system board, you must also change the chassis serial number in the BIOS.
  • Page 88 CAUTION: Before replacing the battery, it is important to back up the computer CMOS settings. When the battery is removed or replaced, the CMOS settings will be cleared. Refer to the Troubleshooting Without Diagnostics on page 140 chapter for information on backing up the CMOS settings.
  • Page 89: Removal And Replacement Procedures - Small Form Factor (Sff) Chassis

    Removal and Replacement Procedures – Small Form Factor (SFF) Chassis 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 90: Access Panel

    Access Panel Description Spare part number Access panel 656832-001 Prepare the computer for disassembly (Preparation for Disassembly on page 79). If the computer is on a stand, remove the computer from the stand. Remove the Torx screw that secures the access panel to the computer. Figure 8-1 Removing the access panel screw Chapter 8 Removal and Replacement Procedures –...
  • Page 91 Slide the access panel toward the back of the computer, and then pull it away from the computer. Figure 8-2 Removing the access panel To install the access panel, reverse the removal procedure. Access Panel...
  • Page 92: Front Bezel

    Front Bezel Description Spare part number Front bezel 656835-001 Prepare the computer for disassembly (Preparation for Disassembly on page 79). Remove the access panel (Access Panel on page 80). Lift up the three tabs on the top of the bezel. Figure 8-3 Removing the front bezel Rotate the bezel off the chassis.
  • Page 93: Memory

    Memory Description Spare part number 4-GB, PC3-10600 585157-001 2-GB, PC3-10600 635803-001 1-GB, PC3-10600 635802-001 The computer comes with double data rate 3 synchronous dynamic random access memory (DDR3- SDRAM) dual inline memory modules (DIMMs). DDR3-SDRAM DIMMs The memory sockets on the system board can be populated with up to two DIMMs. These memory sockets are populated with at least one preinstalled DIMM.
  • Page 94: Populating Dimm Sockets

    Populating DIMM Sockets There are two DIMM sockets on the system board, with one socket per channel. Populate the DIMM sockets in the following order: Channel A then Channel B Figure 8-5 DIMM Socket Locations Table 8-1 DIMM Socket Locations Description Socket Color Insertion Order...
  • Page 95: Removing Dimms

    populated with the 1-GB DIMM. With this configuration, 2 GB will run as dual channel and 1 GB will run as single channel. ● In any mode, the maximum operational speed is determined by the slowest DIMM in the system. The system will automatically operate in single channel mode, dual channel mode, or flex mode, depending on how the DIMMs are installed.
  • Page 96 Open both latches of the memory module socket (1), and remove the memory module from the socket (2). Figure 8-7 Removing a DIMM NOTE: A memory module can be installed in only one way. Match the notch on the module with the tab on the memory socket.
  • Page 97 To install a memory module, holding the module by the edges, completely slide it into the slot. Make sure the module is pressed completely into the socket, and then gently push down on the module until it snaps in place. Figure 8-8 Installing a DIMM NOTE:...
  • Page 98: Expansion Card

    Expansion Card Description Spare part number Graphics cards nVidia GeForce GT530 2-GB graphics adapter 659354-001 nVidia GeForce 405 PCIe x16 graphics card, 1 GB 656789-001 ATI Radeon HD6570 1-GB graphics adapter 659355-001 ATI Radeon HD6450 PCIe x16 graphics card, 1 GB 647451-001 ATI Radeon HD6450 PCIe x16 graphics card, 512 MB 647450-001...
  • Page 99 Table 8-2 Expansion Slots (continued) Item Description PCIe x1 PCIe x1 expansion slot PCI expansion slot PCI expansion slot To remove, replace, or add an expansion card: Prepare the computer for disassembly (Preparation for Disassembly on page 79). Remove the access panel (Access Panel on page 80).
  • Page 100 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 101 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 so that the bracket on the card is aligned with the open slot on the rear of the chassis. Press the card straight down into the expansion socket on the system board.
  • Page 102: Cable Management

    Connect external cables to the installed card, if needed. Connect internal cables to the system board, if needed. Reconfigure the computer, if necessary. Cable Management Always follow good cable management practices when working inside the computer. ● Keep cables away from major heat sources like the heat sink. ●...
  • Page 103: Cable Connections

    Cable Connections System board connectors are color-coded to make it easier to find the proper connection. Connector Name Connector Color Description ATX_POWER white Power supply, 24-pin ATX_CPU white Power supply, 4-pin SYS_FAN brown Chassis fan CPU_FAN1 white Heat sink fan F_PANEL black Power switch...
  • Page 104: Drives

    Drives Description Spare part number 16X SATA DVD±RW drive 581600-001 16X SATA DVD±RW drive 581600-001 2 TB, 7200 rpm SATA hard drive 616608-001 1.5 TB, 7200 rpm SATA hard drive 613209-001 1 TB, 7200 rpm SATA hard drive 621418-001 750 GB, 7200 rpm SATA hard drive 632938-001 500 GB, 7200 rpm SATA hard drive 621421-001...
  • Page 105: Removing Drives

    To verify the type and size of the storage devices installed in the computer, run Computer Setup. Removing Drives When installing drives, follow these guidelines: ● The primary Serial ATA (SATA) hard drive must be connected to the dark blue primary SATA connector on the system board labeled SATA0.
  • Page 106 If removing an optical drive, disconnect the cables from the rear of the drive. Figure 8-15 Removing the drive cables Remove the Torx screw from the cage. Figure 8-16 Removing the optical drive screw Return the drive to its normal position. Chapter 8 Removal and Replacement Procedures –...
  • Page 107: Removing The Hard Drive

    Push the optical drive from behind, and then remove it from the front of the computer. Figure 8-17 Removing the optical drive Removing the 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 108 On the front of the computer, pull and hold the hard drive release latch to unlock the hard drive. Figure 8-18 Pulling the hard drive release latch With the release latch pulled out, lift the rear of the hard drive. Figure 8-19 Lifting the hard drive Chapter 8 Removal and Replacement Procedures –...
  • Page 109 Disconnect the cables from the rear of the hard drive. Figure 8-20 Disconnecting the hard drive cables Remove the hard drive from the computer. Figure 8-21 Removing the hard drive Drives...
  • Page 110 Remove the four guide screws from the hard drive for use in the replacement hard drive. Figure 8-22 Removing the hard drive guide screws To replace the hard drive, reverse the removal procedures. 100 Chapter 8 Removal and Replacement Procedures – Small Form Factor (SFF) Chassis...
  • Page 111: Power Switch

    Power Switch Description Spare part number Power switch/LED assembly 656984-001 The power switch is attached to the front of the chassis using tabs (no screws). Its cable routes through metal tabs in the chassis floor. The power switch cable connects to the front USB assembly cable.
  • Page 112 Disconnect the power switch cable from the front USB assembly cable. Figure 8-24 Disconnecting the power switch cable From the outside, front of the computer, press the tab on the right side of the power switch (1) to disengage it from the chassis. Rotate the power switch right to left (2), and then remove it from the computer (3) while routing the cable through the hole in the front of the chassis.
  • Page 113: Front Usb Assembly

    Front USB Assembly Description Spare part number Front I/O and card reader (6-in-1) 656983-001 The front USB assembly is secured to the front of the chassis with one screw. Push the assembly into the chassis to remove it. Prepare the computer for disassembly (Preparation for Disassembly on page 79).
  • Page 114 Remove the cables from the clip on the base pan of the computer. Figure 8-27 Removing the cables from the clip From the front of the computer, remove the screw that secures the assembly to the front of the chassis. Figure 8-28 Removing the front USB assembly screw 104 Chapter 8 Removal and Replacement Procedures –...
  • Page 115 Push the left side of the assembly down slightly (1), and then push the assembly into the computer (2). Figure 8-29 Disengaging the front USB assembly Remove the assembly from the computer. To install the front USB assembly, reverse the removal procedure. Front USB Assembly 105...
  • Page 116: Fan Assembly

    Fan Assembly Description Spare part number 656834-001 The fan assembly is attached to the inside floor of the chassis using two screws. The fan is inside of a removal metal cage. Prepare the computer for disassembly (Preparation for Disassembly on page 79).
  • Page 117 if you need to remove the fan from the metal case, remove the four screws that secure the fan to the case, and remove the fan from the case. Figure 8-31 Removing the fan from the metal case To install the fan, reverse the removal procedure. Fan Assembly 107...
  • Page 118: Fan Sink

    Fan Sink Description Spare part number Fan sink 657402-001 The fan sink is secured atop the processor with four captive Torx screws. A fan cable connects to the system board. Prepare the computer for disassembly (Preparation for Disassembly on page 79).
  • Page 119 Disconnect the cable from the system board (1), lift the fan sink from atop the processor (2) and set it on its side to keep from contaminating the work area with thermal grease. Figure 8-33 Removing the fan sink 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 120: Processor

    Processor Description Spare part number Intel Core i7 processors 2600S (2.7 GHz, 8-MB L3 cache, 65W) 638419-001 Intel Core i5 processors 2500S (2.7 GHz, 6-MB L3 cache, 65W) 638420-001 2500 (3.3 GHz, 6-MB L3 cache, 95W) 638631-001 2405S (2.5-GHz, 6-MB L3 cache, 65W) 656790-001 2400S (2.5 GHz, 6-MB L3 cache, 65W) 640953-001...
  • Page 121 Carefully lift the processor from the socket (3). CAUTION: Do NOT handle the pins in the processor socket. These pins are very fragile and handling them could cause irreparable damage. Once pins are damaged it may be necessary to replace the system board. The heat sink must be installed within 24 hours of installing the processor to prevent damage to the processor’s solder connections.
  • Page 122: Power Supply

    If using a new fan sink, remove the protective covering from the bottom of the fan sink and place it in position atop the processor. Secure the fan sink to the system board and system board tray. 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.
  • Page 123 From the rear of the computer, remove the four screws that secure the power supply to the computer. Figure 8-35 Removing the power supply screws On the inside of the computer, press the tab at the front of the power supply (1), pull the power supply forward, slide it back and toward the side of the computer so it can sit lower on the bottom of the computer, and then rotate it and lift it out of the computer (2).
  • Page 124: System Board

    System Board Description Spare part number System board (includes thermal material) 665223-001 The system board is secured to the computer with six screws. Prepare the computer for disassembly (Preparation for Disassembly on page 79). Remove the access panel (Access Panel on page 80).
  • Page 125 Remove the six screws that secure the system board to the chassis. NOTE: System board appearance may vary. Figure 8-37 Removing the system board screws Slide the system board away from the rear of the computer to disengage the ports, and then lift the board up and out of the chassis.
  • Page 126: Battery

    NOTE: When replacing the system board, you must also change the chassis serial number in the BIOS. CAUTION: Before reinstalling the heat sink you must clean the top of the processor and the bottom of the heat sink with an alcohol pad supplied in the spares kit. After the alcohol has evaporated, apply thermal grease to the top of the processor from the syringe supplied in the spares kit.
  • Page 127 To insert the new battery, slide one edge of the replacement battery under the holder’s lip with the positive side up (2). Push the other edge down until the clamp snaps over the other edge of the battery. Replace the computer access panel. Plug in the computer and turn on power to the computer.
  • Page 128: Appendix A Connector Pin Assignments

    Connector Pin Assignments This appendix contains the pin assignments for many computer and workstation connectors. Some of these connectors may not be used on the product being serviced. Ethernet BNC Connector and Icon Signal Data Ground Connector and Icon Signal +5 VDC - Data + Data...
  • Page 129: Headphone

    Headphone Connector and Icon (1/8” miniphone) Signal 1 (Tip) Audio_left 2 (Ring) Power_Right 3 (Shield) Ground Line-in Audio Connector and Icon (1/8” miniphone) Signal 1 (Tip) Audio_In_Left 2 (Ring) Audio_In_Right 3 (Shield) Ground Line-out Audio Connector and Icon (1/8” miniphone) Signal 1 (Tip) Audio_Out_Left...
  • Page 130: Monitor

    Monitor Connector and Icon Signal Signal Red Analog +5V (fused) Green Analog Ground Blue Analog Not used Not used DDC Serial Data Ground Horizontal Sync Ground Vertical Sync Ground DDC Serial Clock Ground Serial Interface, Powered and Non-Powered Connector and Icon Signal Carrier Detect (12V if powered) Receive Data...
  • Page 131: Dvi Connector

    DVI Connector Connector and Icon Signal Signal T.M.D.S. Data2– T.M.D.S. Data3+ T.M.D.S. Data2+ +5V Power T.M.D.S. Data2/4 Shield Ground (for +5V) T.M.D.S. Data4– Hot Pug Detect T.M.D.S. Data4+ T.M.D.S. Data0– DDC Clock T.M.D.S. Data0+ DDC Data T.M.D.S. Data0/5 Shield No Connect T.M.D.S.
  • Page 132: 24-Pin Power

    24-Pin Power Connector Signal Signal Signal Signal +3.3V +3.3V +3.3V –12V open +5 Vaux +12V PSON +12V +3.3V 122 Appendix A Connector Pin Assignments...
  • Page 133: Pci Express

    PCI Express x1, x4, x8, and x16 PCI Express Connector Pin A Signal Signal Signal Signal Signal PRSNT1 JTAG3 PERST# PERp0 PERp1 +12V JTAG4 PERn0 PERn1 +12V JTAG5 REFCLK+ +3.3V REFCLK- RSVD JTAG2 +3.3V PERp2 PERn(2) PERn4 RSVD PERp7 RSVD PERp6 PERn7 PERp3...
  • Page 134: Pci Express

    PCI Express x1, x4, x8, and x16 PCI Express Connector Pin B Signal Signal Signal Signal Signal +12V SMDAT WAKE# +12V RSVD RSVD +3.3 V PETp2 PETp1 JTAG1 PETp0 PETn2 PETn1 SMCLK 3.3vAux PETn0 PRSNT2# PETp6 PETn7 PETp3 PETp5 PRTn6 PETn3 PETp4 PETn5...
  • Page 135: Appendix B 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 136: 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 137: Appendix C 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 138: Post Numeric Codes And Text Messages

    POST Numeric Codes and Text Messages This section covers those POST errors that have numeric codes associated with them. The section also includes some text messages that may be encountered during POST. NOTE: The computer will beep once after a POST text message is displayed on the screen. Table C-1 Numeric Codes and Text Messages Control panel message...
  • Page 139 Table C-1 Numeric Codes and Text Messages (continued) Control panel message Description Recommended action 163-Time & Date Not Set Invalid time or date in configuration Reset the date and time under Control memory. Panel (Computer Setup can also be used). If the problem persists, replace the RTC RTC (real-time clock) battery may need to battery.
  • Page 140 Table C-1 Numeric Codes and Text Messages (continued) Control panel message Description Recommended action 303-Keyboard Controller Error I/O board keyboard controller. Reconnect keyboard with computer turned off. Replace the system board. 304-Keyboard or System Unit Error Keyboard failure. Reconnect the keyboard with computer turned off.
  • Page 141 Table C-1 Numeric Codes and Text Messages (continued) Control panel message Description Recommended action 601-Diskette Controller Error Diskette controller circuitry or floppy drive Check and/or replace cables. circuitry incorrect. Clear CMOS. (See Appendix B, Password Security and Resetting CMOS on page 177.) Replace diskette drive.
  • Page 142 Table C-1 Numeric Codes and Text Messages (continued) Control panel message Description Recommended action 1720-SMART Hard Drive Detects Imminent Hard drive is about to fail. (Some hard Determine if hard drive is giving correct Failure drives have a hard drive firmware patch that error message.
  • Page 143 Table C-1 Numeric Codes and Text Messages (continued) Control panel message Description Recommended action 2201-MEBx Module did not checksum Memory error during POST execution of the Reboot the computer. correctly Management Engine (ME) BIOS Extensions Unplug the power cord, re-seat the option ROM.
  • Page 144 Table C-1 Numeric Codes and Text Messages (continued) Control panel message Description Recommended action 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 145 Table C-1 Numeric Codes and Text Messages (continued) Control panel message Description Recommended action 2230-General error during MEBx execution Error occurred during MEBx execution Reboot the computer. which fails into the “General” grouping. If the error persists, update to the latest Status information displayed along with the BIOS version and ME firmware error provides further clarity into the failure.
  • Page 146: Interpreting Post Diagnostic Front Panel Leds And Audible Codes

    Table C-1 Numeric Codes and Text Messages (continued) Control panel message Description Recommended action Network Server Mode Active and No Keyboard failure while Network Server Reconnect keyboard with computer Keyboard Attached Mode enabled. turned off. Check connector for bent or missing pins.
  • Page 147 Table C-2 Diagnostic Front Panel LEDs and Audible Codes (continued) Activity Beeps Possible Cause Recommended Action Red Power LED flashes two Processor thermal Ensure that the computer air vents are not times, once every second, protection activated: blocked and the processor cooling fan is followed by a two second running.
  • Page 148 Table C-2 Diagnostic Front Panel LEDs and Audible Codes (continued) Activity Beeps Possible Cause Recommended Action Red Power LED flashes five Pre-video memory error. CAUTION: To avoid damage to the DIMMs or times, once every second, the system board, you must unplug the computer followed by a two second power cord before attempting to reseat, install, or pause.
  • Page 149 Table C-2 Diagnostic Front Panel LEDs and Audible Codes (continued) Activity Beeps Possible Cause Recommended Action Red Power LED flashes ten Bad option card. Check each option card by removing the times, once every second, card (one at a time if multiple cards), then followed by a two second power on the system to see if fault goes pause.
  • Page 150: Appendix D Troubleshooting Without Diagnostics

    Troubleshooting Without Diagnostics This chapter provides information on how to identify and correct minor problems, such as diskette drive, hard drive, optical drive, graphics, audio, memory, and software problems. If you encounter problems with the computer, refer to the tables in this chapter for probable causes and recommended solutions.
  • Page 151: Helpful Hints

    ● Refer to the comprehensive online technical support at http://www.hp.com/support. ● Refer to Helpful Hints on page 141 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 152 ● Wake the computer by pressing any key on the keyboard or pressing the power button. If the system remains in suspend mode, shut down the computer by pressing and holding the power button for at least four seconds then press the power button again to restart the computer. If the system will not shut down, unplug the power cord, wait a few seconds, then plug it in again.
  • Page 153: Solving General Problems

    Solving General Problems You may be able to easily resolve the general problems described in this section. If a problem persists and you are unable to resolve it yourself or if you feel uncomfortable about performing the operation, contact an authorized dealer or reseller. WARNING! When the computer is plugged into an AC power source, voltage is always applied to the system board.
  • Page 154 There is no sound or sound volume is too low. Cause Solution System volume may be set low or muted. Check the F10 BIOS settings to make sure the internal system speaker is not muted (this setting does not affect the external speakers). Make sure the external speakers are properly connected and powered on and that the speakers' volume control is set correctly.
  • Page 155 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 156: Solving Power Problems

    Solving Power Problems Common causes and solutions for power problems are listed in the following table. Table D-2 Solving Power Problems Power supply shuts down intermittently. Cause Solution Voltage selector switch on rear of computer chassis (some Select the proper AC voltage using the selector switch. models) not switched to correct line voltage (115V or 230V).
  • Page 157: Solving Diskette Problems

    Solving Diskette Problems Common causes and solutions for diskette problems are listed in the following table. NOTE: The computer does not support internal diskette drives. Only USB diskette drives are supported. NOTE: You may need to reconfigure the computer when you add or remove hardware, such as an additional diskette drive.
  • Page 158 Cannot format diskette. Cause Solution Invalid media reported. When formatting a disk in MS-DOS, you may need to specify diskette capacity. For example, to format a 1.44-MB diskette, type the following command at the MS-DOS prompt: FORMAT A: /F:1440 Disk may be write-protected. Open the locking device on the diskette.
  • Page 159: Solving Hard Drive Problems

    Table D-3 Solving Diskette Problems (continued) Cannot Boot to Diskette. Cause Solution Diskette boot has been disabled in Computer Setup. Run Computer Setup and enable USB device in Storage > Boot Order. Run Computer Setup and enable USB device in Storage >...
  • Page 160 Table D-4 Solving Hard Drive Problems (continued) Drive not found (identified). Cause Solution The system may not have automatically recognized a newly See reconfiguration directions in the Solving Hardware installed device. Installation Problems on page 163 section. If the system still does not recognize the new device, check to see if the device is listed within Computer Setup.
  • Page 161 Computer will not boot from hard drive. Cause Solution The device is attached to a SATA port that has been hidden Run the Computer Setup utility and ensure Device Available in Computer Setup. is selected for the device's SATA port in Security > Device Security.
  • Page 162: Solving Media Card Reader Problems

    The removable hard drive enclosure is beeping and the green LED is flashing. Cause Solution Fan failure alarm on the removable hard drive enclosure has Shut down the computer and contact HP for a replacement been activated. enclosure. Solving Media Card Reader Problems Table D-5 Solving Media Card Reader Problems A write-protected or locked error occurs when attempting to write to the media card.
  • Page 163: Solving Display Problems

    After installing the media card reader and booting to Windows, the reader and the inserted cards are not recognized by the computer. Cause Solution The operating system needs time to recognize the device if Wait a few seconds so that the operating system can the reader was just installed into the computer and you are recognize the reader and the available ports, and then turning the PC on for the first time.
  • Page 164 Table D-6 Solving Display Problems (continued) Blank screen (no video). Cause Solution Monitor settings in the computer are not compatible with the In Control Panel, under Appearance and monitor. Personalization, select Adjust screen resolution. Use the sliding control to reset the resolution. Monitor is configured to use an input that is not active.
  • Page 165 Monitor does not function properly when used with energy saver features. Cause Solution Monitor without energy saver capabilities is being used with Disable monitor energy saver feature. energy saver features enabled. Dim characters. Cause Solution The brightness and contrast controls are not set properly. Adjust the monitor brightness and contrast controls.
  • Page 166 “No Connection, Check Signal Cable” displays on screen. Cause Solution Monitor video cable is disconnected. Connect the video cable between the monitor and computer. CAUTION: Ensure that the computer power is off while connecting the video cable. “Out of Range” displays on screen. Cause Solution Video resolution and refresh rate are set higher than what...
  • Page 167 Fuzzy focus; streaking, ghosting, or shadowing effects; horizontal scrolling lines; faint vertical bars; or unable to center the picture on the screen (flat panel monitors using an analog VGA input connection only). Cause Solution Flat panel monitor’s internal digital conversion circuits may Select the monitor’s Auto-Adjustment option in the be unable to correctly interpret the output synchronization of monitor’s on-screen display menu.
  • Page 168: Solving Audio Problems

    Solving Audio Problems If the computer has audio features and you encounter audio problems, see the common causes and solutions listed in the following table. Table D-7 Solving Audio Problems Sound cuts in and out. Cause Solution Processor resources are being used by other open Shut down all open processor-intensive applications.
  • Page 169 Table D-7 Solving Audio Problems (continued) Sound does not come out of the speaker or headphones. Cause Solution Some applications can select which audio output device is Make sure the application has selected the correct audio used. device. The operating system controls may be set to use a different Set the operating system to use the correct audio device.
  • Page 170: Solving Printer Problems

    Solving Printer Problems If you encounter printer problems, see the documentation that came with the printer and to the common causes and solutions listed in the following table. Table D-8 Solving Printer Problems Printer will not print. Cause Solution Printer is not turned on and online. Turn the printer on and make sure it is online.
  • Page 171: Solving Keyboard And Mouse Problems

    Solving Keyboard and Mouse Problems If you encounter keyboard or mouse problems, see the documentation that came with the equipment and to the common causes and solutions listed in the following table. Table D-9 Solving Keyboard Problems Keyboard commands and typing are not recognized by the computer. Cause Solution Keyboard connector is not properly connected.
  • Page 172 Table D-10 Solving Mouse Problems (continued) Mouse does not respond to movement or is too slow. Cause Solution Mouse may need cleaning. Remove the roller ball cover on the mouse and clean the internal components. Mouse may need repair. See the Worldwide Limited Warranty for terms and conditions.
  • Page 173: Solving Hardware Installation Problems

    Solving Hardware Installation Problems You may need to reconfigure the computer when you add or remove hardware, such as an additional drive or expansion card. If you install a plug and play device, Windows automatically recognizes the device and configures the computer. If you install a non–plug and play device, you must reconfigure the computer after completing installation of the new hardware.
  • Page 174 Power LED flashes Red five times, once every second, followed by a two second pause, and the computer beeps five times. (Beeps stop after fifth iteration but LEDs continue flashing.) Cause Solution Memory is installed incorrectly or is bad. CAUTION: 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 DIMM module.
  • Page 175: Solving Network Problems

    Solving Network Problems Some common causes and solutions for network problems are listed in the following table. These guidelines do not discuss the process of debugging the network cabling. Table D-12 Solving Network Problems Wake-on-LAN feature is not functioning. Cause Solution S5 Maximum Power Saving feature is enabled.
  • Page 176 Table D-12 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 Network controller is disabled. Run Computer Setup and enable network controller. Enable the network controller in the operating system via Device Manager.
  • Page 177: Solving Memory Problems

    Network controller stops working without apparent cause. Cause Solution The files containing the network drivers are corrupted. Reinstall the network drivers, using the Recovery Disc Set created from the hard drive's Recovery Partition. The cable is not securely connected. Ensure that the cable is securely attached to the network connector and that the other end of the cable is securely attached to the correct device.
  • Page 178 Table D-13 Solving Memory Problems System will not boot or does not function properly after installing additional memory modules. Cause Solution A memory module is not installed in the DIMM1 or XMM1 Ensure that a memory module is installed in the DIMM1 or socket.
  • Page 179: Solving Processor Problems

    Solving Processor Problems If you encounter processor problems, common causes and solutions are listed in the following table. Table D-14 Solving Processor Problems Poor performance is experienced. Cause Solution Processor is hot. Make sure the airflow to the computer is not blocked. Make sure the fans are connected and working properly (some fans only operate when needed).
  • Page 180 Table D-15 Solving CD-ROM and DVD Problems (continued) System will not boot from CD-ROM or DVD drive. Cause Solution Non-bootable CD in drive. Try a bootable CD in the drive. Boot order not correct. Run the Computer Setup utility and change boot sequence in Storage >...
  • Page 181: Solving Usb Flash Drive Problems

    Cannot eject compact disc (tray-load unit). Cause Solution Disc not properly seated in the drive. Turn off the computer and insert a thin metal rod into the emergency eject hole and push firmly. Slowly pull the tray out from the drive until the tray is fully extended, then remove the disc.
  • Page 182: Solving Front Panel Component Problems

    USB flash drive not found (identified). Cause Solution The device is attached to a USB port that has been hidden in Run the Computer Setup utility and ensure that “Device Computer Setup. available” is selected for “Front USB Ports” and “Rear USB Ports”...
  • Page 183: Solving Internet Access Problems

    Table D-17 Solving Front Panel Component Problems (continued) A USB device, headphone, or microphone is not recognized by the computer. Cause Solution The device is not working. Replace the device. Restart the computer. USB ports on the computer are disabled in Computer Setup. Run the Computer Setup utility and ensure that Device available is selected for appropriate USB ports under Security >...
  • Page 184 Cannot automatically launch Internet programs. Cause Solution You must log on to your ISP before some programs will start. Log on to your ISP and launch the desired program. Internet takes too long to download Web sites. Cause Solution Modem is not set up properly. Verify that the modem is connected and communicating properly.
  • Page 185: Solving Software Problems

    Solving Software Problems Most software problems occur as a result of the following: ● The application was not installed or configured correctly. ● There is insufficient memory available to run the application. ● There is a conflict between applications. ● Be sure that all the needed device drivers have been installed.
  • Page 186: Contacting Customer Support

    Contacting Customer Support For help and service, contact an authorized reseller or dealer. To locate a reseller or dealer near you, visit http://www.hp.com. NOTE: If you take the computer to an authorized reseller, dealer, or service provider for service, remember to provide the setup and power-on passwords if they are set. Refer to the number listed in the warranty or in the Support Telephone Numbers guide for technical assistance.
  • Page 187: Appendix E 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 188: Resetting The Password Jumper

    Resetting the Password Jumper To disable the power-on or setup password features, or to clear the power-on or setup passwords, complete the following steps: Shut down the operating system properly, then turn off the computer and any external devices, and disconnect the power cord from the power outlet. With the power cord disconnected, press the power button again to drain the system of any residual power.
  • Page 189 need to be reset. The AMT settings will also need to be reset. To access the MEBx, press Ctrl+P during POST. Shut down the operating system properly, then turn off the computer and any external devices, and disconnect the power cord from the power outlet. With the power cord disconnected, press the power button again to drain the system of any residual power.
  • Page 190: Appendix F Backup And Recovery

    Backup and Recovery Windows 7 – Backup and Recovery To protect your information, use Windows® Backup and Restore to back up individual files and folders, back up your entire hard drive (select models only), create system repair discs (select models only), or create system restore points.
  • Page 191 Note the following when backing up: ● Store personal files in the Documents library, and back it up regularly. ● Back up templates that are stored in their associated programs. ● Save customized settings that appear in a window, toolbar, or menu bar by taking a screen shot of your settings.
  • Page 192: Performing A Recovery

    Performing a Recovery In case of system failure or instability, the computer provides the following tools to recover your files: ● Windows recovery tools: You can use Windows Backup and Restore to recover information you have previously backed up. You can also use Windows Startup Repair to fix problems that might prevent Windows from starting correctly.
  • Page 193: Using F11

    Select one of the first three listed tools to repair your computer. Follow the on-screen instructions. NOTE: For additional information on recovering information using the Windows tools, perform a search for these topics in Help and Support. Using F11 CAUTION: Using completely erases hard drive contents and reformats the hard drive.
  • Page 194 NOTE: This process takes several minutes. If possible, back up all personal files. Restart the computer, and then insert the Windows 7 operating system DVD into the optical drive before the Windows operating system loads. When prompted, press any keyboard key. Follow the on-screen instructions.
  • Page 195: Appendix G Specifications

    Specifications MT Specifications Table G-1 Specifications Chassis 14.49 in 36.8 cm Height 6.50 in 16.5 cm Width 15.31 in 38.9 cm Depth Approximate Weight 15.28 - 15.83 lb 6.932 - 7.18 kg Temperature Range 32° to 104°F 0° to 40°C Operating -22°...
  • Page 196: Sff Specifications

    SFF Specifications Table G-2 Specifications Chassis 12.77 in 32.5 cm Height 4.98 in 10.4 cm Width 15.61 in 39.7 cm Depth Approximate Weight 13.9 lb 6.3 kg Temperature Range 32° to 104°F 0° to 40°C Operating -22° to 149°F -30° to 65°C Nonoperating Relative Humidity (noncondensing) 15-95%...
  • Page 197: Index

    Index Symbols/Numerics keyboard cleaning 39 error 24-pin power pin assignments keyboard keys 39 codes 127, 136 CD-ROM or DVD problems 169 messages 128 4-pin power pin assignments 119 cleaning ethernet computer 38 BNC pin assignments 118 mouse 40 expansion card access panel safety precautions 38 SFF installation 88...
  • Page 198 front bezel, spare part number 26 installing operating guidelines 38 front bezel, SFF drive cables 58 optical drive spare part number 26, 31 SFF drive cables 95 removing 61 front fan SFF expansion card 88 SFF removal 95 SFF removal and SFF hard drive 97 spare part numbers 23, 24, replacement 106...
  • Page 199 hard drive 149 optical drive 61 hood sensor removal and hardware installation 163 PCI Express card 53 replacement 101 Internet access 173 PCI Express x1 card 53 power supply removal and keyboard 161 SFF expansion card 88 replacement 112 Media Card Reader 152 SFF hard drive 97 power supply, spare part memory 167...
  • Page 200 USB pin assignments 118 ventilation, proper 38 Wake-on-LAN feature 165 Windows 7 operating system DVD 183 190 Index...

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