Dell XPS 420 owner manual Book.book Page 114 Tuesday, November 27, 2007 1029 AM

book.book Page 114 Tuesday, November 27, 2007 10:29 AM

15Replace the computer cover, reconnect the computer and devices to electrical outlets, and then turn them on.

16If you installed a sound card:

a Enter system setup, select Integrated Audio Controller, and then change the setting to Off.

b Connect external audio devices to the sound card connectors. Do not connect external audio devices to the integrated microphone, speaker/headphone, or line-in connectors on the back panel.

17If you installed an add-in network adapter and want to disable the integrated network adapter:

a Enter system setup, select Integrated NIC Controller, and then change the setting to Off.

b Connect the network cable to the add-in network adapter connectors. Do not connect the network cable to the integrated connector on the back panel.

18Install any drivers required for the card as described in the card documentation.

Removing a PCI Card

1Follow the procedures in "Before You Begin" on page 99.

2Remove the computer cover (see "Removing the Computer Cover" on page 101).

3If you are removing the card permanently, install a filler bracket in the empty card-slot opening.

If you need a filler bracket, contact Dell (see "Contacting Dell" on page 200).

NOTICE: To connect a network cable, first plug the cable into the network device and then plug the cable into the computer.

NOTE: Installing filler brackets over empty card-slot openings is necessary to maintain FCC certification of the computer. The brackets also keep dust and dirt out of your computer.

4Replace the computer cover, reconnect the computer and devices to electrical outlets, and then turn them on.

5Remove the card driver from the operating system.

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Removing and Installing Parts