Lenovo ThinkCentre 0266 User Manual page 45

This section provides instructions on how to replace a PCI card.
To install or replace a PCI card, do the following:
1. Remove all media from the drives and turn off all attached devices and the computer. Then, disconnect
all power cords from electrical outlets and disconnect all cables that are connected to the computer.
2. Open the computer cover. See "Opening the computer cover" on page 28.
3. Locate the system board and disconnect all cables connected to the system board. See "Locating
parts on the system board" on page 10.
4. Press inward on the two side tabs and then pivot the system board to release it from the chassis.
Figure 11. Releasing the system board
5. Place the system board on a clean and flat surface.
6. Locate the PCI card slot. See "Locating parts on the system board" on page 10.
7. Rotate the PCI card retainer to the open position.
8. Depending on whether you are installing or replacing a PCI card, do one of the following:
• If you are installing a PCI card, remove the metal slot cover.
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Chapter 5 Installing or replacing hardware
31