Dell OptiPlex 320 - Manual (Page 27)

5. If you are removing the card permanently, install a filler bracket in the empty card-slot opening.
If you need a filler bracket, contact Dell (see Contacting Dell ).
6. Snap the card retention latch into place.
7. Replace the computer cover (see Replacing the Computer Cover ).
8. Uninstall the card's driver. See the documentation that came with the card for instructions.
9. 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.
10. 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.
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1 release tab 4 card-edge connector
2 card retention latch 5 card connector
3 card
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.
NOTICE: To connect a network cable, first plug the cable into the network wall jack and then plug it into the computer.