Dell OptiPlex 755 User Manual page 108

NOTICE:
Do not route card cables over or behind the cards. Cables routed over the cards can prevent the
computer cover from closing properly or cause damage to the equipment.
10 Connect any cables that should be attached to the card.
11 Replace the computer cover (see "Replacing the Computer Cover" on page 317), reconnect the
computer and devices to electrical outlets, and then turn them on.
NOTICE:
To connect a network cable, first plug the cable into the network wall jack and then plug it into the
computer.
12 If you installed a sound card:
Enter system setup, select Audio Controller, and change the setting to Off (see "Entering System
a
Setup" on page 280).
Connect external audio devices to the sound card's connectors. Do not connect external audio
b
devices to the microphone, speaker/headphone, or line-in connectors on the back or front panel.
13 If you installed a network adapter card and want to turn off the integrated network adapter:
Enter system setup, select Network Controller, and change the setting to Off (see "Entering
a
System Setup" on page 280).
108
Expansion Cards
1
release tab
2 card-retention latch
3
card
1
4
card-edge connector
5 card connector
2
3
4
5