Dell Dimension U7021 Owner's Manual page 86

8 If you replaced a card that was already installed in the computer and you removed the top of
the retention mechanism, you can reinstall the top.
9 Before you lower the retention arm, ensure that:
• The tops of all cards and filler brackets are flush with the alignment bar.
• The notch in the top of the card or filler bracket fits around the alignment guide.
10 Press the retention arm into place, securing the card(s) in the computer.
NOTICE:
the computer cover from closing properly or cause damage to the equipment.
11 Connect any cables that should be attached to the card.
See the documentation that came with the card for information about the card's cable
connections.
NOTICE:
the computer.
12 Close the computer cover, reconnect the computer and devices to electrical outlets, and then
turn them on.
13 If you installed an add-in network adapter and you want to disable the integrated network
adapter:
Enter system setup (see page 119), select Network Controller, and then change the
a
setting to Off.
Connect the network cable to the add-in network adapter's connectors. Do not connect
b
the network cable to the integrated connector on the back panel.
14 Install any drivers required for the card as described in the card documentation.
86
Removing and Installing Parts
alignment guide
alignment bar
filler bracket
Do not route card cables over or behind the cards. Cables routed over the cards can prevent
To connect a network cable, first plug the cable into the network wall jack and then plug it into
retention arm