Dell OptiPlex 755 User Manual page 46

1 riser-card cage 3
2 slots 4
10. Replace the computer cover (see
11. Uninstall the card's driver. See the documentation that came with the card for instructions.
12. If you removed a sound card:
a. Enter system setup, select Audio Controller, and change the setting to On (see
b. Connect external audio devices to the audio connectors on the computer back panel.
13. If you removed a network adapter card:
a. Enter system setup, select Network Controller, and change the setting to On (see
b. Connect the network cable to the integrated network connector on the back panel of the computer.
PS/2 Serial Port Adapter
CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Product Information Guide.
NOTICE: To prevent static damage to components inside your computer, discharge static electricity from your body before you touch any of your
computer's electronic components. You can do so by touching an unpainted metal surface on the computer chassis.
Installing a PS/2 Serial Port Adapter
1. Follow the procedures in Before You
2. Remove the computer cover (see
3. Gently lift the release tab on the card retention latch from the inside to pivot the latch open. Pivot the latch until it snaps into the open position.
4. Remove the filler bracket (if applicable).
NOTE: See the documentation that came with the adapter for information on configuring the adapter, making internal connections, or customizing
it for your computer.
5. Align the PS/2 serial-port adapter bracket in the retention slot and press down firmly. Ensure that the adapter is fully seated in the slot.
riser cards (2)
system board connectors (2)
Replacing the Computer Cover), reconnect the computer and devices to electrical outlets, and then turn them on.
Begin.
Removing the Computer Cover).
Entering System Setup).
Entering System Setup).