Dell OptiPlex 745 - Manual (Page 31)

3. If necessary, disconnect any cables connected to the card.
4. If you are removing a PCI Express x16 card, press the lever on the securing tab with your thumb until you release the securing tab.
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. Snap the card-retention latch into place.
8. Replace the computer cover (see Replacing the Computer Cover ), reconnect the computer and devices to electrical outlets, and then turn them on.
9. Uninstall the card's driver. See the documentation that came with the card for instructions.
10. 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.
11. If you removed a network adapter card:
a. Enter system setup, select Network Controller, and change the setting to On (see Entering System Setup ).
b. Connect the network cable to the integrated network connector on the back panel of the computer.
Installing a PCI Card in the Riser-Card Cage
1. Follow the procedures in Before You Begin .
2. If applicable, remove the card installed in the PCI3 connector on the system board.
3. Remove the riser-card cage:
a. Check any cables connected to cards through the back-panel openings. Disconnect any cables that will not reach the riser-card cage once they
are removed from the computer.
1 release tab 4 card-edge connector
2 card-retention latch 5 card connector
3 card
1 PCI Express x16 card
2 lever
3 securing slot (not all cards)
4 securing tab
5 PCI Express x16 card connector
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.
NOTICE: To connect a network cable, first plug the cable into the network wall jack and then plug it into the computer.