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HP rp5700 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.

Preparation for Disassembly

See Identifying the Chassis, Routine Care, and Disassembly Preparation for initial safety procedures.
  1. Remove/disengage any security devices that prohibit opening the computer Click here).
  2. Close any open software applications.
  3. Exit the operating system.
  4. Remove any compact disc. or media card from the computer.
  5. Turn off the computer and any peripheral devices that are connected to it.
      caution:
    Turn off the computer before disconnecting any cables.
    Regardless of the power-on state, voltage is always present on the system board as long as the system is plugged into an active AC outlet. In some systems the cooling fan is on even when the computer is in the “Standby,” or “Suspend” modes. The power cord should always be disconnected before servicing a unit.
  6. Disconnect the power cord from the electrical outlet and then from the computer.
  7. Disconnect all peripheral device cables from the computer.
    note:
    During disassembly, label each cable as you remove it, noting its position and routing. Keep all screws with the units removed.
      caution:
    The screws used in the computer are of different thread sizes and lengths; using the wrong screw in an application may damage the unit.

External Security Devices

The following security devices are used to prevent unauthorized access to the internal components of the computer and/or secure the computer to a fixed object.

Installing a Cable Lock

The cable lock may be used to secure the computer access panel to the chassis and, at the same time, secure the computer to a fixed object.
Insert the cable lock in the location shown below.
Figure : Installing a Cable Lock

Installing a Padlock

A padlock may be used by itself to secure the access panel to the computer chassis. A padlock may also be used with a security cable to secure the computer to a fixed object.
Figure : Installing a Padlock

Computer Cover

  1. Prepare the computer for disassembly (Click here).
      caution:
    Before removing the computer cover, ensure that the computer is turned off and that the power cord is disconnected from the electrical outlet.
  2. Press in on the tabs (1) on each side of the computer to release the latches that secure the cover to the computer chassis.
  3. Slide the computer cover forward (2) about 1.3 cm (1/2 inch), then lift it off the chassis.
      Figure : Removing the Computer Cover
    1. Depress release button
    2. Slide cover forward then, lift from chassis
To install the computer cover, reverse the removal procedure.

Front Drive Bezel

  1. Prepare the computer for disassembly (Click here).
  2. Remove the computer cover (Click here).
  3. Push the bezel blank outward from the center of the part, so that it is bowed out.
    Figure : Flexing the Bezel Blank
  4. With the bezel blank bowed, push its end into the chassis to remove it from the unit.
    Figure : Removing the Bezel Blank
To install a bezel blank, reverse the removal procedure.

Front Bezel Assembly

  1. Prepare the computer for disassembly (Click here).
  2. Remove the computer cover (Click here).
  3. Remove the six screws that secure the front bezel to the computer cover and separate the bezel from the cover.
    Figure : Front bezel assembly
To install the new front bezel, reverse the removal procedure.

Cable Management

The Small Form Factor chassis is a very compact computer and proper routing of the internal cables is critical to the operation of the computer. Follow good cable management practices when working inside the computer.
  • Keep cables away from major heat sources like the heatsink.
  • Do not jam cables on top of expansion cards or memory modules. Printed circuit cards like these are not designed to take excessive pressure on them.
  • Keep cables clear of movable or rotating parts like the power supply and drive cage to prevent them from being cut or crimped when the component is lowered into its normal position.
  • Do not bend any cable sharply. A sharp bend can break the internal wires.
  • Never bend a SATA data cable tighter than a 30 mm (1.18 in) radius.
  • Never crease a SATA data cable.
  • Do not rely on components like the drive cage, power supply, or computer cover to push cables down into the chassis. Always position the cables to lay properly by themselves.
When removing the power supply power cables from the P1 connector on the system board, always follow these steps:
  1. Squeeze on the top of the retaining latch attached to the cable end of the connector (1).
  2. Grasp the cable end of the connector and pull it straight up (2).
      caution:
    Always pull the connector - NEVER pull on the cable. Pulling on the cable could damage the cable and result in a failed power supply.
    Figure : System Board Power Supply Connector
  1. Press release catch
  2. Pull cable end from socket

Cable Connections

System board connectors are color-coded to make it easier to find the proper connection.
Cable
To
Cable Designator
Power Supply
System board, 24-pin
P1
Power Supply
Powered serial port expansion card
P4
Power Supply
Powered USB port expansion card
P3
Power Supply
CPU power, 6-pin
P2
Power Supply
1st SATA Hard drive
P6
Power Supply
2nd SATA Hard drive
P5
Power Supply
Optical drive
P7
Cable
To
PCA Designator
1st SATA Hard drive
System board
SATA 0 (Dark Blue)
1st ODD or 2nd Hard drive if no ODD present
System board
SATA 1 (White)
2nd SATA Hard drive if ODD present
System board
SATA 2 (Light blue)
Floating serial port A
System board
COM 2
Chassis fan
System board
CHFAN
Front power button/LED
System board
P5
Front I/O USB
System board
FRNT USB (Yellow)
Speaker
System board
SPEK

Memory

The computer comes with double data rate 2 synchronous dynamic random access memory (DDR2-SDRAM) dual inline memory modules (DIMMs).

DIMMs

The memory sockets on the system board can be populated with up to four industry-standard DIMMs. These memory sockets are populated with at least one preinstalled DIMM. To achieve the maximum memory support, you can populate the system board with up to 4 GB of memory configured in a high-performing dual channel mode.

DDR2-SDRAM DIMMs

For proper system operation, the DDR2-SDRAM DIMMs must be:
  • industry-standard 240-pin
  • unbuffered PC2-5300 667 MHz-compliant
  • 1.8 volt DDR2-SDRAM DIMMs
The DDR2-SDRAM DIMMs must also:
  • support CAS latency 4 and 5 for DDR2/667 MHz
  • contain the mandatory JEDEC SPD information
In addition, the computer supports:
  • 256Mbit, 512Mbit, and 1Gbit non-ECC memory technologies
  • single-sided and double-sided DIMMs
  • DIMMs constructed with x8 and x16 DDR devices; DIMMs constructed with x4 SDRAM are not supported
note:
The system will not start if you install unsupported DIMMs.

Populating DIMM Sockets

There are four DIMM sockets on the system board, with two sockets per channel. The sockets are labeled DIMM 1, DIMM 2, DIMM 3, and DIMM 4. Sockets DIMM 1 and DIMM 2 operate in memory channel A. Sockets DIMM 3 and DIMM 4 operate in memory channel B.
Figure : Memory Sockets
Item
Description
Socket Color
1
DIMM socket DIMM 1, Channel A (populate first)
Black
2
DIMM socket DIMM 2, Channel A
White
3
DIMM socket DIMM 3, Channel B (populate second)
Black
4
DIMM socket DIMM 4, Channel B
White
The system will automatically operate in single channel mode, dual channel mode, or flex mode, depending on how the DIMMs are installed.
  • The system will operate in single channel mode if the DIMM sockets are populated in one channel only.
  • The system will operate in a higher-performing dual channel mode if the total memory capacity of the DIMMs in Channel A is equal to the total memory capacity of the DIMMs in Channel B. The technology and device width can vary between the channels. For example, if Channel A is populated with two 256MB DIMMs and Channel B is populated with one 512MB DIMM, the system will operate in dual channel mode.
  • 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. For optimal speed, the channels should be balanced so that the largest amount of memory is spread between the two channels. For example, if you are populating the sockets with one 1GB DIMM, two 512MB DIMMs, and one 256MB DIMM, one channel should be populated with the 1GB DIMM and one 256MB DIMM and the other channel should be populated with the two 512MB DIMMs. With this configuration, 2 GB will run as dual channel and 256 MB will run as single channel.
  • In any mode, the maximum operational speed is determined by the slowest DIMM in the system.

Installing DIMMs

  caution:
You must disconnect the power cord and wait approximately 30 seconds for the power to drain before adding or removing memory modules. Regardless of the power-on state, voltage is always supplied to the memory modules as long as the computer is plugged into an active AC outlet. Adding or removing memory modules while voltage is present may cause irreparable damage to the memory modules or system board. If you see an LED light on the system board, voltage is still present.
The memory module sockets have gold-plated metal contacts. When upgrading the memory, it is important to use memory modules with gold-plated metal contacts to prevent corrosion and/or oxidation resulting from having incompatible metals in contact with each other.
Static electricity can damage the electronic components of the computer or optional cards. Before beginning these procedures, ensure that you are discharged of static electricity by briefly touching a grounded metal object.
When handling a memory module, be careful not to touch any of the contacts. Doing so may damage the module.
  1. Remove/disengage any security devices that prohibit opening the computer.
  2. Remove all removable media, such as compact discs, from the computer.
  3. Turn off the computer properly through the operating system, then turn off any external devices.
  4. Disconnect the power cord from the power outlet and disconnect any external devices.
      caution:
    You must disconnect the power cord and wait approximately 30 seconds for the power to drain before adding or removing memory modules. Regardless of the power-on state, voltage is always supplied to the memory modules as long as the computer is plugged into an active AC outlet. Adding or removing memory modules while voltage is present may cause irreparable damage to the memory modules or system board. If you see an LED light on the system board, voltage is still present.
  5. If the computer is on a stand, remove the computer from the stand.
  6. Remove the computer cover Click here.
  7. Locate the memory module sockets on the system board.
      warning:
    To reduce risk of personal injury from hot surfaces, allow the internal system components to cool before touching.
  8. Raise the drive cage to the upright position.
    Figure : Rotating the Drive Cage Up
  9. Rotate the fan duct out of the chassis.
    Figure : Rotating the Fan Duct
  10. Press the latch release on the front of the power supply (1), and then raise the power supply to the upright position (2).
      Figure : Releasing and Rotating the Power Supply
    1. Press release latch
    2. Rotate power supply up
  11. Open both latches of the memory module socket (1), and insert the memory module into the socket (2).
    note:
    A memory module can be installed with the tab on the memory socket.
    For maximum performance, populate equally as possible.
  12. Push the module down into the socket, ensuring that the module is fully inserted and properly seated. Make sure the latches are in the closed position (3).
      Figure : Installing a DIMM
    1. Release the end latches
    2. Install the memory module
    3. Lock the lend latches in place
  13. Repeat steps 10 and 11 to install any additional modules.
To reassemble the computer, reverse the removal procedure.

Expansion Cards

Introduction

The computer has the following expansion slots:
  • one ADD2/SDVO expansion slot
  • one low-profile PCI Express x1 expansion slot
  • one PCI expansion slot populated with a riser card that can accommodate two full-height PCI cards
Figure : Expansion Slot Locations
Item
Description
1
ADD2/SDVO expansion slot
2
PCI Express x1 expansion slot, low profile
3
PCI expansion slot, low profile populated with riser card
  caution:
The PCI expansion slot ships populated with a PCI riser card. To avoid damage to the riser card or installed expansion cards, be sure to remove all installed PCI expansion cards before attempting to remove the riser card from the chassis.
note:
The computer only supports the use of normal (or non-reversed) layout ADD2 (Advanced Digital Display 2) adapter cards inserted into the SDVO (Serial Digital Video Output) connector on the platform's system board. ADD2 cards are used to give multi-monitor capabilities to the integrated graphics controller.
The ADD2/SDVO connector on the system board has the physical appearance of a PCI Express x16 connector; however, the platform does NOT support the use of conventional PCI Express cards or reversed-layout ADD2 cards.

ADD2, SDVO, or PCI Express Expansion Card

You can install a ADD2/SDVO expansion card and a low-profile PCI Express x1 expansion card in the computer.
To install an ADD2/SDVO card or a PCI Express card:
  1. Remove/disengage any security devices that prohibit opening the computer.
  2. Remove all removable media, such as compact discs, from the computer.
  3. Turn off the computer properly through the operating system, then turn off any external devices.
  4. Disconnect the power cord from the power outlet and disconnect any external devices.
      caution:
    Regardless of the power-on state, voltage is always present on the system board as long as the system is plugged into an active AC outlet. You must disconnect the power cord to avoid damage to the internal components of the computer.
  5. If the computer is on a stand, remove the computer from the stand.
  6. Remove the computer cover Click here.
  7. Open the slot cover retainer that secures the slot covers.
    Figure : Opening the Expansion Slot Retainer
  8. Remove the expansion slot cover or the existing expansion card.
    1. If you are installing an expansion card in a vacant socket, remove the appropriate expansion slot cover on the back of the chassis. Pull the slot cover straight up out of the chassis.
      Figure : Removing an Expansion Slot Cover
    2. If you are replacing an existing expansion card, carefully rock the existing card back and forth until the connectors pull free from the socket. Pull the expansion card straight up from the socket to release it from the chassis frame. Be sure not to scrape the card against the other components.
      Figure : Removing a PCI Express x1 Expansion Card
  9. Store the removed card in anti-static packaging.
  10. 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.
  11. To install a new expansion card, align the bracket on the card with the open slot on the rear of the chassis and press the card straight into the expansion socket.
    Figure : Installing a PCI Express x1 Expansion Card
    note:
    When installing an expansion card, press firmly on the card so that the whole connector seats properly in the expansion card slot.
  12. Close the slot cover retainer.
    Figure : Closing the Slot Cover Retainer
    note:
    The slot cover retainer is secured in place by the computer cover.
  13. To reassemble the computer, reverse the removal procedure.

PCI Card in the Riser Card Cage

You can install two full-height PCI cards in the riser card.
  caution:
To avoid damage to the riser card or installed PCI expansion cards, be sure to remove all installed PCI expansion cards before attempting to remove the riser card from the chassis.
  1. Remove/disengage any security devices that prohibit opening the computer
  2. Remove all removable media, such as compact discs, from the computer.
  3. Turn off the computer properly through the operating system, then turn off any external devices.
  4. Disconnect the power cord from the power outlet and disconnect any external devices.
      caution:
    Regardless of the power-on state, voltage is always present on the system board as long as the system is plugged into an active AC outlet. You must disconnect the power cord to avoid damage to the internal components of the computer.
  5. If the computer is on a stand, remove the computer from the stand.
  6. Remove the computer cover Click here.
  7. Press the latch release on the front of the power supply (1), and then raise the power supply to the upright position (2).
      Figure : Releasing and Rotating the Power Supply
    1. Press release latch
    2. Rotate power supply up
  8. Locate the correct vacant expansion socket in the PC riser and the corresponding expansion slot on the back of the computer chassis.
  9. Open the slot cover retainer that secures the slot covers by turning the retainer to the side.
    Figure : Opening the Riser Card Expansion Slot Retainer
  10. Remove the expansion slot cover or the existing expansion card.
    1. If you are installing an expansion card in a vacant socket, remove the appropriate expansion slot cover on the back of the chassis. Pull the slot cover straight out toward the left side of the chassis.
      Figure : Removing a PCI Riser Card Expansion Slot Cover
    2. If you are replacing an existing card, hold the PCI card at each end, and carefully rock it back and forth until the connectors pull free from the socket. Pull the expansion card toward the left side of the chassis straight out of the riser. Be sure not to scrape the card against the other components.
      note:
      Before removing an installed expansion card, disconnect any cables that may be attached to the expansion card
      Figure : Removing a Standard PCI Expansion Card
  11. Store the removed card in anti-static packaging.
  12. 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.
  13. To install a new expansion card in the riser card, align the bracket on the expansion card with the open slot on the rear of the chassis and press the card straight into the expansion socket.
    Figure : Installing a PCI Expansion Card
    note:
    When installing an expansion card, press firmly on the card so that the whole connector seats properly in the expansion card slot.
  14. Close the slot cover retainer.
    Figure : Closing the Riser Card Slot Cover Retainer
    note:
    The slot cover retainer is secured in place by the computer cover.
  15. Connect external cables to the installed card, if needed. Connect internal cables to the system board, if needed.
  16. Return the power supply to the down position until it locks.
To reassemble the computer, reverse the removal procedure.

USB PlusPower Ports

This card provides one red-colored 24– volt USB+ connector (1) and three teal-colored 12–volt USB+ connectors (2).
Figure : USB PlusPower Ports
The 24–volt USB+ connector (1) and 12–volt USB+ connectors (2) are configured differently as a precaution to prevent connection errors.
Figure : 24–volt USB+ connector and 12–volt USB+ Connectors
  1. Prepare the computer for disassembly ().
  2. Remove the computer cover (Click here).
  3. Press the latch release on the front of the power supply (1), and then raise the power supply to the upright position (2)
      Figure : Releasing and Rotating the Power Supply
    1. Press release latch
    2. Rotate power supply
  4. Disconnect the power and system board cables attached to the expansion card.
  5. Open the expansion card latch retainer.
  6. Hold the expansion card at each end, and carefully rock it back and forth until the connectors pull free from the socket. Pull the expansion card toward the left side of the chassis straight out of the riser. Be sure not to scrape the card against the other components.
    Figure : Removing the USB PlusPower Expansion Card
  7. Align the bracket on the card with the open slot on the rear of the chassis and press the card straight into the expansion socket.
    note:
    The USB PlusPower expansion card can only be installed in the bottom PCI slot.
  8. Connect the system board harness to the system board (1) and the expansion card (2). Connect the power cable to the expansion card (3).
      Figure : Connecting System Board and Power Cables to the USB PlusPower Expansion Card
    1. Connect harness to the system board
    2. Connect harness to the expansion card
    3. Connect power cable to the expansion card
  9. Return the power supply to its original position and close up the computer.
To reassemble the computer, reverse the removal procedure.

PCI Riser Card Cage Assembly

  1. Prepare the computer for disassembly (Click here).
  2. Remove the computer cover (Click here).
  3. Disconnect the cables from the expansion cards mounted in the card cage as needed.
  4. Remove all PCI and PCI Express expansion cards from the PCI expansion slots ().
  5. Grasp the riser card cage and firmly pull it straight up and out of the chassis.
    Figure : Removing the Riser Card Cage
To install the card cage, reverse the removal procedure.

Powered Serial Ports

Two powered serial ports, COM 1 and COM 2, are standard on the computer. Some models have a powered serial port expansion card installed that supplies two additional powered serial ports, COM 3 and COM 4.
Figure : Powered Serial Ports
Item
Description
Supports
+5V
+9V
+12V
1
COM 1 (yellow)
Yes
Yes
Yes
2
COM 2 (teal)
Yes
No
Yes
3
COM 3 (teal )(some models)
Yes
No
Yes
4
COM 4 (teal)(some models)
Yes
No
Yes

Configuring Power to a Serial Port

The serial ports on the HP Point of Sale System computer can be configured as standard (non-powered) serial ports or powered serial ports. Some Point of Sale devices use a powered serial port. If the serial port is configured as a powered port, devices that support a powered serial interface do not require an external power source.
note:
The computer ships with all serial ports configured in standard serial mode.
Power to the ports can be configured by moving jumpers and serial port jumper wires on the serial port headers. The computer ships with a jumper on each serial port header. Jumper wires are available as an option from HP or an authorized HP provider.
Figure : Serial Port Jumper Wire
  1. Prepare the computer for disassembly (Click here).
  2. Remove the computer cover (Click here).
  3. Press the latch release on the front of the power supply (1), and then raise the power supply to the upright position (2)
      Figure : Releasing and Rotating the Power Supply
    1. Press release latch
    2. Rotate power supply up
  4. Locate the serial port jumpers for COM 1 or COM 2 on the system board as shown in the following illustration:
    Figure : Serial Port Jumper Locations on the System Board
    System Board Jumpers
    Callout
    Jumper
    Port Name
    1
    P16
    COM 1
    2
    P127
    COM 1
    3
    P17
    COM 2
  5. Locate the serial port jumpers for COM 3 or COM 4 on the expansion card as shown in the following illustration:
      Figure : Powered Serial Port Expansion Card Jumper Locations
    1. Com 4
    2. Com 3
  6. If configuring a system board serial port continue with step 7.
    If configuring an expansion card serial port continue with step 8.
  7. For COM 1 and COM 2, move the jumpers as shown in figures 35 and 36 below to meet equipment requirements.
  8. For COM 3 and COM 4, disconnect the cable from the powered serial port expansion card, then remove the card from the holder.
    Figure : Removing the Powered Serial Port Expansion Card
  9. Move the jumpers as shown in figures 35 and 36 below to meet equipment requirements
  10. Install the expansion card and reconnect the cables to the expansion card.
  11. Complete the reassembly of the computer.
Figure : Configuring Serial Port Power, Part 1
Figure : Configuring Serial Port Power, Part 2

Drives

A Torx T-15 screwdriver is needed to remove and install the guide screws on a drive.
  caution:
Make sure personal files on the hard drive are backed up to an external storage device before removing the hard drive. Failure to do so will result in data loss. After replacing the primary hard drive, you will need to run the Restore Plus! CD to load the HP factory-installed files.

Drive Positions

Figure : Drive Positions
Drive Positions
Item
Description
1
5.25-inch, external drive bay with optical drive installed (some models)
2
Primary 3.5-inch internal hard drive bay
3
Secondary 3.5-inch internal hard drive bay
To verify the type, size, and capacity of the storage devices installed in the computer, run Computer Setup. Refer to the Computer Setup (F10) Utility Guide on the Documentation and Diagnostics CD for more information.

Installing and Removing Drives

When installing additional drives, follow these guidelines:
  • The primary Serial ATA (SATA) hard drive must be connected to the dark blue SATA connector on the system board labeled SATA 0.
  • Connect a SATA optical drive to the white SATA connector on the system board labeled SATA 1.
  • Always populate the dark blue SATA 0 and white SATA 1 connectors before the light blue SATA 2 connectors.
  • The system does not support Parallel ATA (PATA) optical drives or PATA hard drives.
  • You may install either a third-height or a half-height drive into a half-height bay.
  • You must install guide screws to ensure the drive will line up correctly in the drive cage and lock in place. HP has provided eight extra guide screws installed on the optical drive cage. Four of the guide screws are silver 6-32 standard screws used for hard drives only. The other four guide screws are black M3 metric screws used for all other drives.
  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. While handling a drive, avoid touching the connector.
Handle a drive carefully; do not drop it.
Do not use excessive force when inserting a drive.
Avoid exposing a hard drive to liquids, temperature extremes, or products that have magnetic fields such as monitors or speakers.
If a drive must be mailed, place the drive in a bubble-pack mailer or other protective packaging and label the package “Fragile: Handle With Care.”

Optical Drive

  caution:
All removable media should be taken out of the drives before removing the drive from the computer.
note:
An optical drive is a CD-ROM, CD-R/RW, DVD-ROM, DVD+R/RW, or CD-RW/DVD Combo drive.
  1. Prepare the computer for disassembly (Click here).
  2. Remove the computer cover (Click here).
  3. Disconnect the power (1) and data (2) cables from the rear of the optical drive.
      Figure : Disconnecting the Optical Drive Power and Data Cables
    1. Power cable
    2. Data cable
  4. Pull out the lever on the left side of the drive (1) to release the drive, and then slide the drive forward out of the drive bay (2).
      Figure : Removing the Optical Drive
    1. Pull release lever out
    2. Slide drive forward
  5. When replacing the drive, transfer the four screws from the old drive to the new one. The screws take the place of drive rails.
      caution:
    Use only 5-mm long screws as guide screws. Longer screws can damage the internal components of the drive.
To replace an optical drive, reverse the removal process.

Primary 3.5–Inch Internal Hard Drive

  1. Prepare the computer for disassembly (Click here).
  2. Remove the computer cover (Click here).
  3. Raise the drive cage to its upright position.
    Figure : Rotating the Drive Cage Up
  4. If an optical drive is installed, disconnect the power cable and data cable from the back of the optical drive.
  5. Disconnect the data cable (1) and power cable (2) from the back of the primary hard drive.
      Figure : Disconnecting the Primary Hard Drive Data and Power Cables
    1. Data cable
    2. Power cable
  6. Pull out the lever on the left side of the primary hard drive (1) to release the drive, and then slide the drive up out of the drive cage (2).
      Figure : Removing the Primary Hard Drive
    1. Pull release lever
    2. Remove drive
To install a primary hard drive:
  1. Install two 6–32 guide screws in the lower holes on each side of the drive.
    note:
    NOTE: When replacing the hard drive, transfer the four screws from the old drive to the new one. You will need a Torx T-15 screwdriver to remove and re-install the guide screws. HP has provided four extra 6-32 standard guide screws on the front of the chassis, under the front bezel. The 6-32 standard guide screws are silver.
    Figure : Installing Guide Screws in the Primary Hard Drive
  2. Insert the primary hard drive “upside down.” Align the hard drive with the primary hard drive bay in the drive cage so that the bottom of the hard drive is next to the optical drive compartment and the power and data connectors are up. Slide the drive all the way down into the drive cage until it locks in place.
    Figure : Installing the Primary Hard Drive
  3. Connect the data cable and power cable to the back of the primary hard drive.
    note:
    If the system has only one SATA hard drive, the data cable must be connected to the dark blue connector labeled SATA 0 on the system board to avoid any hard drive performance problems.
  4. Reconnect the power cable and data cable to the back of the optical drive, if applicable.
    note:
    If you replaced the primary hard drive, use the Restore Plus! CD set that you created when you initially set up the computer to restore the operating system, software drivers, and any software applications that were preinstalled on the computer. When the restore process has completed, reinstall any personal files that you backed up before replacing the hard drive.
To reassemble the computer, reverse the removal procedure.

Secondary 3.5–Inch Internal Hard Drive

A Torx T-15 screwdriver is needed to remove and install the guide screws on a hard drive.
  caution:
Make sure personal files on the hard drive are backed up to an external storage device before removing the hard drive. Failure to do so will result in data loss. After replacing the primary hard drive, you will need to run the Restore Plus! CD to load the HP factory-installed files.
  caution:
To prevent loss of work and damage to the computer or drive:
If you are inserting or removing a hard drive, shut down the operating system properly, then turn off the computer. Do not remove a hard drive while the computer is on or in standby mode.
Before handling a drive, ensure that you are discharged of static electricity. While handling a drive, avoid touching the connector. Refer to Electrostatic Discharge Information for more information about preventing electrostatic damage.
Handle a drive carefully; do not drop it.
Do not use excessive force when inserting a drive.
Avoid exposing a hard drive to liquids, temperature extremes, or products that have magnetic fields such as monitors or speakers.
  1. Prepare the computer for disassembly (Click here).
  2. Remove the computer cover (Click here).
  3. Raise the drive cage to the upright position.
    note:
    It is not necessary to remove the drives from the drive cage.
    Figure : Rotating the Drive Cage Up
  4. Press the latch release on the front of the power supply (1), and then raise the power supply to the upright position (2)
      Figure : Releasing and Rotating the Power Supply
    1. Press release latch
    2. Rotate power supply up
  5. Disconnect the power cable (1) and data cable (2) from the back of the secondary hard drive.
      Figure : Disconnecting the Secondary Hard Drive Power and Data Cables
    1. Power cable
    2. Data cable
  6. Press the release catch on the right side of the secondary hard drive (1), slide the drive forward until it stops, then lift it straight out of the chassis (2).
      Figure : Removing the Secondary Hard Drive
    1. Pull latch to release drive
    2. Slide drive forward then, up
To install a hard drive, reverse the above procedure.
note:
When replacing the hard drive, transfer the four screws from the old drive to the new one. The screws take the place of drive rails. You will need a Torx T-15 screwdriver to remove and re-install the guide screws. HP has provided four extra 6-32 standard guide screws on the front of the chassis, under the computer cover. The 6-32 standard guide screws are silver and are used only for the hard drive.
The primary hard drive data cable must be connected to the dark blue connector labeled SATA 0 on the system board to avoid any hard drive performance problems. Connect the other end of the secondary hard drive data cable to the next available (unpopulated) SATA connector on the system board in the following order: SATA 0, SATA 1, SATA 2.

Fan Shroud

  1. Prepare the computer for disassembly (Click here).
  2. Remove the computer cover (Click here).
  3. Rotate the fan shroud up (1) and spread its ears (2) to remove it from the chassis.
      Figure : Removing the Fan Shroud
    1. Rotate fan shroud up
    2. Spread ears to remove
To install the shroud, reverse the removal procedures.

Chassis Fan

  1. Prepare the computer for disassembly (Click here).
  2. Remove the computer cover (Click here).
  3. Remove the fan shroud Click here.
  4. Remove the three screws that secure the fan to the chassis (1) then tilt the top of the fan towards the inside of the chassis (2) to remove it
  5. Disconnect the fan control cable from the system board (3).
      Figure : Removing the Chassis Fan
    1. Remove 3 retaining screws
    2. Tilt fan to remove from chassis
To install the chassis fan, reverse the removal procedures.

Power Switch

  1. Prepare the computer for disassembly (Click here).
  2. Remove the computer cover (Click here).
  3. Remove the fan shroud Click here.
  4. Raise the drive cage to its upright position.
  5. Disconnect the cable assembly from the system board.
  6. Squeeze the switch holder retaining clips together at the front of the chassis (1) and push the switch assembly out of the chassis (2).
      Figure : Removing the Switch Holder
    1. Squeeze retaining clip
    2. Push switch out of chassis
To reinstall the switch holder, reverse the removal procedure.

Front USB Connector

  1. Prepare the computer for disassembly (Click here).
  2. Remove the computer cover (Click here).
  3. Remove the fan shroud Click here.
  4. Raise the drive cage to its upright position.
  5. Disconnect the fan cable the power switch cable, and the front USB device cable from the system board.
  6. Remove the screw that secures the front USB printed circuit board to the floor of the chassis (1) and push the USB port out of the chassis (2).
      Figure : Removing the Front USB Connector
    1. Remove retaining screw
    2. Slide port and card out of chassis
To reinstall the front USB connector, reverse the removal procedure.

Speaker

  1. Prepare the computer for disassembly (Click here ).
  2. Remove the computer cover (Click here).
  3. Remove the fan shroud (Click here).
  4. Raise the drive cage to its upright position. .
  5. Disconnect the speaker wire from the system board.
  6. Disconnect the speaker wire from the system board then bend the speaker wire retaining clips down slightly (1) to release the wires. Remove the single screw that secures the speaker to the chassis (2) and remove the speaker (3).
      Figure : Removing the Speaker
    1. Disconnect cable from system board then, bend wire retaining clips down
    2. Remove retaining screw
    3. Remove speaker
To install the speaker, reverse the removal procedures.

Heatsink

  1. Prepare the computer for disassembly (Click here).
  2. Remove the computer cover (Click here).
  3. Remove the fan shroud (Click here).
  4. Disconnect the fan control cable from the system board.
  5. Loosen the four captive screws (1) that secure the heatsink to the system board.
      caution:
    Heatsink retaining screws should be removed in diagonally opposite pairs (as in an X) to even the downward forces on the processor. This is especially important as the pins on the socket are very fragile and any damage to them may require replacing the system board.
      Figure : Removing the Heatsink
    1. Loosen retaining screws
  6. Lift the heatsink from atop the processor and set it on its side to keep from contaminating the work area with thermal grease.
When reinstalling the heatsink, 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:
Heatsink retaining screws should be tightened in diagonally opposite pairs (as in an X) to evenly seat the heatsink on the processor. This is especially important as the pins on the socket are very fragile and any damage to them may require replacing the system board.
Failure to install the fan shroud may cause the computer to overheat.

Processor

  1. Prepare the computer for disassembly (Click here).
  2. Remove the computer cover (Click here).
  3. Remove the fan shroud (Click here).
  4. Remove the heatsink (Click here).
  5. Rotate the locking lever to its full open position (1).
  6. Raise and rotate the microprocessor retainer to its fully open position (2).
  7. 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 heatsink must be installed within 24 hours of installing the processor to prevent damage to the processor’s solder connections.
      Figure : Removing the Processor
    1. Rotate the locking lever
    2. Raise the retainer to its open position
    3. Remove the processor
To install a new processor:
  1. Place the processor in its socket and close the retainer.
  2. Secure the locking lever. If reusing the existing heatsink, go to step 3. If using a new heatsink, go to step 6.
  3. If reusing the existing heatsink, clean the bottom of the heatsink with the alcohol pad provided in the spares kit.
      caution:
    Before reinstalling the heatsink you must clean the top of the processor and the bottom of the heatsink 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.
  4. Apply the thermal grease provided in the spares kit to the top of the processor and install the heatsink atop the processor.
  5. Go to step 7.
  6. If using a new heatsink, remove the protective covering from the bottom of the heatsink and place it in position atop the processor.
  7. Secure the heatsink to the system board and system board tray with the four captive screws and attach the heatsink control cable to the system board.
      caution:
    Heatsink retaining screws should be tightened in diagonally opposite pairs (as in an X) to evenly seat the heatsink on the processor. This is especially important as the pins on the socket are very fragile and any damage to them may require replacing the system board.
note:
After installing a new processor onto the system board, always update the system ROM to ensure that the latest version of the BIOS is being used on the computer. The latest system BIOS can be found on the Web at the HP Software and Drivers page.

Power Supply

  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.
  1. Prepare the computer for disassembly (Click here).
  2. Remove the computer cover (Click here).
  3. Rotate the drive cage up and disconnect the power cables from all of the drives.
  4. Press the release latch (1) and rotate the power supply to its full upright position (2).
  5. Disconnect the power cables from the system board and lift the power supply straight up and out of the chassis (3).
      Figure : Removing the Power Supply
    1. Press release latch
    2. Rotate power supply up
    3. Lift power supply up and out of chassis
To install the power supply, reverse the removal procedure.
  caution:
When installing the power supply cables, make sure they are properly positioned so they are not cut by the drive cage and are not pinched by the rotating power supply.

System Board

  1. Prepare the computer for disassembly (Click here).
  2. Remove the computer cover (Click here).
  3. Remove all expansion boards installed on the system board (Click here and Click here).
  4. Remove the riser card cage Click here.
  5. Remove the fan shroud from the chassis (Click here).
  6. Remove the chassis fan from the chassis Cllick here
  7. Rotate the drive cage to its full upright position.
  8. Rotate the power supply to its upright position.
  9. Disconnect all data and power cables from the system board.
  10. Remove the power supply from the chassis.
  11. Disconnect the serial port from the system board.
  12. Disconnect the balance of the cables from the system board.
  13. Remove the heatsink from the system board.
  14. Remove the seven screws that secure the system board to the floor of the chassis.
  15. Slide the system board tray assembly towards the front of the chassis, about 6 mm (1/4 inch) and lift the system board up and out of the chassis.
    Figure : Removing the System Board
To install the system board, reverse the removal procedure.
  caution:
Before reinstalling the heatsink you must clean the top of the processor and the bottom of the heatsink 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.
  caution:
When reconnecting the cables it is important that they be positioned so they do not interfere with the rotation of the drive cage or power supply.

Battery

The battery that comes with your computer provides power to the real-time clock and has a lifetime of about three years. When replacing the battery, use a battery equivalent to the battery originally installed on the computer. The computer comes with a 3-volt lithium coin cell battery.
note:
The lifetime of the lithium battery can be extended by plugging the computer into a live AC wall socket. The lithium battery is only used when the computer is NOT connected to AC power.
  warning:
This computer contains an internal lithium manganese dioxide battery. There is a risk of fire and burns if the battery is not handled properly. To reduce the risk of personal injury:
Do not attempt to recharge the battery.
Do not expose to temperatures higher than 60°C (140°F).
Do not disassemble, crush, puncture, short external contacts, or dispose of in fire or water.
Replace the battery only with the HP spare designated for this product.
  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 Computer Setup (F10) Utility Guide for information on backing up the CMOS settings.
note:
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.
  caution:
Static electricity can damage the electronic components of the computer or optional equipment. Before beginning these procedures, ensure that you are discharged of static electricity by briefly touching a grounded metal object.
  1. Prepare the computer for disassembly ().
  2. Remove the computer access panel ().
    note:
    It may be necessary to remove an expansion card to gain access to the battery.
  3. Locate the battery and battery holder on the system board.
  4. Depending on the type of battery holder on your system board, complete the following instructions to replace the battery:

Type 1 Battery Holder

  1. Lift the battery out of its holder.
    Figure : Type I Battery Holder
  2. Slide the replacement battery into position, positive side up.
  3. The battery holder automatically secures the battery in the proper position.
  4. Replace the computer access panel.
  5. Plug in the computer and turn on power to the computer.
  6. Reset the date and time, your passwords, and any special system setups, using Computer Setup. Refer to the Computer Setup (F10) Utility Guide.

Type 2 Battery Holder

  1. 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).
  2. 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.
      Figure : Type II Battery Holder
    1. Squeeze retainer to release battery
    2. Install new battery
  3. Replace the computer access panel.
  4. Plug in the computer and turn on power to the computer.
  5. Reset the date and time, your passwords, and any special system setups, using Computer Setup. Refer to the Computer Setup (F10) Utility Guide.

Type 3 Battery Holder

  1. Pull back on the clip (1) that holds the battery in place, then remove the battery (2).
  2. Insert the new battery and position the clip back in place.
      Figure : Type III Battery Holder
    1. Pull clip to release battery
    2. Lift battery from holder
  3. Replace the computer access panel.
  4. Plug in the computer and turn on power to the computer.
  5. Reset the date and time, your passwords, and any special system setups, using Computer Setup. Refer to the Computer Setup (F10) Utility Guide.

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