Figure 10. Lowering the drive bay assembly

Installing or replacing a PCI card

Attention:

Do not open your computer or attempt any repair before reading and understanding the “Important safety information” in the ThinkCentre Safety and Warranty Guide that came with your computer. To obtain a copy of the ThinkCentre Safety and Warranty Guide, go to:

http://www.lenovo.com/support

This section provides instructions on how to install or replace a PCI card.

Your computer has one standard PCI card slot, two PCI Express x1 card slots, and one PCI Express x16 graphics card slot. See “Locating parts on the system board” on page 9.

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.Remove the computer cover. See “Removing the computer cover” on page 14.

3.Do one of the following:

If you are replacing a PCI card, remove the screw that secures the old PCI card and release the old PCI card from the PCI card slot. Then, carefully remove the old PCI card from the chassis, as shown in Figure 11 “Removing the PCI card” on page 18.

Notes:

a.If there are any cables between the PCI card and the system board, note the cable routing and then disconnect the cables.

b.If the PCI card is secured in place by a retaining latch 1 , press the retaining latch to release the PCI card from the latch. Then, grasp the PCI card by the edges and carefully pull it out of the PCI card slot. If necessary, alternate moving each side of the PCI card a small and equal amount until it is completely removed from the slot.

Chapter 2. Installing or replacing hardware 17

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Lenovo 5042, 4163, 5046 manual Installing or replacing a PCI card, Lowering the drive bay assembly

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