Lenovo ThinkCentre 3231 User Manual page 26

3. Remove the new PCI card from its static-protective package.
4. Install the card into the appropriate slot on the system board. See "Locating
5. Pivot the card latch to the closed position to secure the card.
Figure 8. Closing the card latch
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User Guide
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 gently pull it out
of the slot.
parts on the system board" on page 11.
What to do next:
v To work with another option, go to the appropriate section.
v To complete the installation, go to "Completing the parts replacement" on
page 44.