Before you begin
- Turn off the computer, disconnect all cables, and transfer the computer to a clear, flat, stable work surface over a non-carpeted floor.
- HP strongly recommends the use of an anti-static wrist strap and a conductive foam pad when working on the computer.

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.
Video overview
View the following video before using the steps in this article.

NOTE:For best quality on dial-up connections, wait until the video has fully loaded before viewing.
Step 1: Preparing the computer
Before starting, if you are adding an expansion card that will replace a function that comes from the motherboard (video, sound, network), disable the on-board function
and select the correct BIOS setting in BIOS Setup before attempting to install the new card. Do so as follows:
Step 2: Removing the retaining bracket and/or an expansion card
Use the steps in this section to remove the retaining bracket from the computer. The bracket needs to be removed before an expansion card can be installed. You can also use this section to remove an existing card

WARNING:Make sure the computer is disconnected from power before starting.
| Step 1. Disconnect the power cable and then press and release the power button. | |
| Step 2. Remove the right side panel from the computer chassis. If you need assistance, refer to the HP support document Opening the PC Case . | ![]() |
| The cards are located just below the power supply. | ![]() |
| Step 3. Remove the retaining bracket to the left of the expansion cards by following steps 3 and 4. | ![]() |
| Step 4. Detach the screw securing the bracket to the rear of the computer. | ![]() |
| Step 5. Move the bracket to the left to remove. If you do not need to remove an exisiting card and you have an slot available to install the new expansion card, skip to the next section Step 3: Installing an expansion card . | ![]() |
| Step 6. Detach any connectors from each card to other system components. Ensure that you can remember the connection locations. If necessary, attach small labels to the cables and connectors to help reconnect later. | ![]() |
| Step 7. If removing a graphics card, find and release its retaining latch. | ![]() |
| Step 8. Pull the edges of the expansion card to release it from the expansion slot. | ![]() |
Step 3: Installing an expansion card
Use the steps in this section to install a new expansion card.
| Some expansion card slots might be covered by break-away slot covers. | ![]() |
| Step 1. If you are installing an expansion card into a bay that is covered, use a screwdriver to punch out the metal slot cover, being careful to not bend the chassis. | ![]() |
| Step 2. Seat the card into the slot until it is secure. | ![]() |
| Step 3. Hook the expansion card cover bracket... | ![]() |
| ...over the two corresponding slots on the computer. | ![]() |
| Step 4. Slide the bracket into place. | ![]() |
| Step 5. Reattach the expansion bracket screw. | ![]() |
| Step 6. Replace the side panel, reconnect the cables, and turn on the computer. If you assistance, please refer to the HP support document Opening the PC Case . | ![]() |
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