Dell Precision T7400 (Late 2007) - Manual (Page 204)

204 Adding and Replacing Parts
NOTICE: Ensure that you release the securing tab to unseat the card. If the card is
not removed correctly, the system board may be damaged.
5 Remove the card:
a If necessary, disconnect any cables connected to the card.
b If the card is full-length, press the release tab on the end of the
alignment guides on the fan bracket.
c If the connector has a release tab, press the release tab as you grasp the
card by its top corners, and ease it out of its connector.
6 If you are removing the card permanently, install a filler bracket in the
empty card-slot opening.
NOTE: Installing filler brackets over empty card-slot openings is necessary to
maintain FCC certification of the computer. The brackets also keep dust and dirt out
of your computer.
7 Before you rotate the card retainer back into place, ensure that:
1 release tab 2 card retainer
1
2