Dell OptiPlex 745 - Manual (Page 34)

3. Press in on the tab to raise the card-retention latch.
4. If necessary, disconnect any cables connected to the card.
5. 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.
7. Lower the card-retention latch and press it into place.
8. Replace the riser-card cage:
a. Align the tabs in the side of the riser-card cage with the slots on the side of the computer, and slide the riser-card cage down into place.
b. Ensure that the riser cards are fully seated in the connectors on the system board.
9. Replace the computer cover (see Replacing the Computer Cover ), reconnect the computer and devices to electrical outlets, and then turn them on.
10. Uninstall the card's driver. See the documentation that came with the card for instructions.
11. If you removed a sound card:
a. Enter system setup, select Audio Controller, and change the setting to On (see Entering System Setup ).
b. Connect external audio devices to the audio connectors on the computer back panel.
12. If you removed an network adapter card:
1 riser-card cage
2 handle
NOTE: Installing filler brackets over empty card-slot openings is necessary to maintain FCC certification of the computer. The brackets keep dust and dirt
out of your computer and maintain the airflow that cools your computer.
1 riser-card cage 3 riser cards (2)
2 slots 4 system board connectors (2)