Lenovo ThinkCentre 7515 Maintenance Manual page 139

4. Install the adapter card into the appropriate adapter card slot on the system
board, see "Locating parts on the system board" on page 129. If you are
replacing an old adapter card, remove the adapter card being replaced before
installing the new one.
Figure 47. Removing the adapter card
Notes:
a. The adapter card fits tightly into the adapter card slot. If necessary, alternate
moving each side of the adapter card a small amount until it is removed
from the adapter card slot.
b. If the adapter card is held in place by a retaining latch, press the adapter
card retaining latch 1 as shown to disengage the latch. Grasp the adapter
card and then gently pull the adapter card out of the slot.
Chapter 9. Replacing FRUs - 607 computers
133