Dell Dimension E520 Owner's Manual page 76

1 alignment guide
4 card retention door
8 Close the card retention door by snapping it into place to secure the cards.
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.
9 Connect any cables that should be attached to the card.
See the documentation for the card for information about the card's cable connections.
NOTICE:
To connect a network cable, first plug the cable into the network device and then plug it into the
computer.
10 Replace the computer cover, reconnect the computer and devices to electrical outlets, and then turn
them on.
11 If you installed a sound card:
Enter system setup (see "System Setup" on page 113), select Audio Controller, and then change
a
the setting to Off.
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 panel.
76
Removing and Installing Parts
1
2
3
4
2 alignment bar 3 release tab