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HP and Compaq Desktop PCs - Removing and Installing an Expansion Card (PCI)

This document applies to HP and Compaq Desktop PCs using Windows 98, Me, and XP.
This document provides step-by-step instructions to remove or replace an expansion card.
  note:
If you want to install a sound card, please refer to HP and Compaq Desktop PCs - Installing or Replacing a Sound Card.
  note:
If you want to install a video card, please refer to HP and Compaq Desktop PCs - Installing or Replacing a Video Card.
Print a copy of this document to refer to after the computer is restarted or when an Internet connection is not available.
  caution:
HP cannot be held liable for damage resulting from improper installation of software and/or parts, or the installation of parts and/or software that were not supplied by HP.
Before you begin
  1. You will need a Phillips screwdriver and a medium flat-blade screwdriver.
  2. HP strongly recommends using an anti-static wrist strap and a conductive foam pad when working inside the PC.
  3. Find a stable work surface above a non-carpeted floor.
Step 1: Removing the hardware device drivers
If you are replacing a card, you should uninstall any software that is associated with that hardware. If you leave hardware drivers or specialized software on the PC, software conflicts may occur when the new hardware is installed.
  1. In Windows XP, click Start, and right-click My Computer.
    In Windows 98 and Me, right-click the My Computer icon on the desktop.
  2. Select Properties from the drop-down list.
  3. In Windows XP, click the Hardware tab and then the Device Manager button.
    In Windows 98 and Me, click the Device Manager tab.
  4. Click the plus sign (+) next to the device type that you are replacing.
      caution:
    For modems and sound: some Pavilions come with a modem card combined with a sound card. The modem description will reflect this. If the modem is a combination card, the sound card and its drivers MUST also be removed or sound may fail.
  5. Select the device title that relates to the brand of card being used.
    Figure : Device listing in Device Manager
  6. In Windows XP, click Uninstall.
    In Windows 98 and Me, click Remove.
  7. Click OK when a warning window appears.
  8. Continue removing device names that relate to the card that is being removed until the device category is no longer listed.
    • If the device is a combination sound-modem card, remove the related devices under Sound, Video and Game Controllers.
  9. Close all open programs, turn off the PC and proceed with Step 2.
Step 2: Opening the PC case
This section describes the steps necessary to open the PC case.
  warning:
The edges of metal panels can cut skin. Be careful not to slide skin along any interior metal edge of the computer.
  caution:
This product contains components that can be damaged by electrostatic discharge (ESD). To reduce the chance of ESD damage, work over a noncarpeted floor, use a static dissipative work surface (such as a conductive foam pad), and wear an ESD wrist strap connected to a grounded surface.
  1. Disconnect all cables from the PC except for the power cable. Note the location of each cable before disconnecting it from the PC.
  2. Disconnect the power cable and then press and release the power button.
  3. Remove the panel retaining screws (usually two screws on the back of the left side but the number of screws may vary depending on the PC model).
  4. Slide the panel off to open the inside of the PC and proceed to Step 3.
Step 3: Removing and installing the card
  1. Find the card inside PC (use the phone line connector on the back as a reference).
  2. Remove the one screw that holds the card to the chassis. If a metal plate covers up the screw, remove the plate first.
  3. Remove any cables that plug into the card. Remember the connection location.
  4. Grasp the card by its edges and slide it out of its slot.
  5. If the card also contains a daughterboard (another smaller card that is connected to this card with wires), disconnect all cables coming from the daughterboard. Remove the daughterboard
  6. Insert the new card into an open PCI slot.
  7. Attach the new card with one retaining screw. Replace the metal plate if it was used.
  8. Connect all cables back to their original positions.
Step 4: Replacing the cover
  1. Align the tabs on the panel or cover to their respective slots in the sides of the chassis.
  2. Slide the panel or cover into place and secure it with the retaining screws.
  3. Reinstall all of the cables into the back of the PC. Plug in the power cord last and proceed with Step 5.
Step 5: Installing the software and drivers for the new card
  1. Turn on the PC.
  2. When Windows opens it should find the new hardware and install software for it.
  3. If a new card was installed, refer to its instructions.
  4. If a window appears stating that it needs help finding particular files, insert the driver disc from the card manufacturer into the PC. If this does not help, browse the following path names, one at a time, until the lost file is found:
    • C:\Windows\inf
    • C:\Windows\options\cabs
    • C:\Windows\system
    • C:\Windows\system32
      note:
    If you cannot locate the files, open the C:\ icon from My Computer. Click Tools, Folder Options, and click the View tab. Remove the checkmarks from Hide protected operating system files, and select Show hidden files and folders. Click OK. Replace the checkmarks after the modem is fully installed.
  5. Restart the PC and test the new card for functionality.

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