Dell 400 Owner's Manual page 86

NOTICE:
the computer cover from closing properly or cause damage to the equipment.
NOTICE:
cable into the computer.
NOTE:
or full-length PCI-E cards, if a "piano" bracket is present on your computer you need to rotate it
down into place.
13 Replace the computer cover, reconnect the computer and devices to electrical outlets, and
then turn them on.
14 If you installed a sound card:
Enter system setup, select Integrated Audio Controller, and then change the setting to
a
Off.
Connect external audio devices to the sound card's connectors. Do not connect external
b
audio devices to the microphone, speaker/headphone, or line-in connectors on the back
panel.
15 If you installed an add-in network adapter and want to disable the integrated network
adapter:
Enter system setup select Integrated NIC Controller, and then change the setting to
a
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.
16 Install any drivers required for the card as described in the card documentation.
86
Removing and Installing Parts
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 device and then plug the