Lenovo ThinkCentre 3026 Maintenance Instructions Manual page 106

4. If you are installing a PCI card, remove the appropriate metal slot cover. If you
Figure 18. Removing a PCI card
5. Remove the new PCI card from its static-protective package.
6. Install the new card into the appropriate slot on the system board. See
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Hardware Maintenance Manual
are replacing an old PCI card, grasp the old card that is currently installed and
gently pull it out of the slot.
Notes:
a. The card fits tightly into the card slot. If necessary, alternate moving each
side of the card a small amount until it is removed from the card slot.
b. If the card is held in place by a retaining latch, press the card retaining latch
1 as shown to disengage the latch. Grasp the card and then gently pull it
out of the slot.
"Locating parts on the system board" on page 122.
Note: If you are installing a PCI Express x16 graphics card, make sure the
memory slot retaining clips are closed before you install the graphics card.