70 Removing and Installing Parts
12
If you installed an add-in network adapter and want to disable the integrated network adapter:
a
Enter system setup, select
Network Controller,
and then change the setting to
Off
(see page 91).
b
Connect the network cable to the add-in network adapter’s connectors. Do not connect the
network cable to the integrated connector on the back panel.
13
Install any drivers required for the card as described in the card documentation.
Removing an Expansion Card
1
Follow the procedures in "Before You Begin" on page 53.
2
Gently push the release tab on the card retention door from the inside to pivot the door open. Because
the door is captive, it will remain in the open position.
3
If 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 page102).
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.
4
Close the card retention door by snapping it into place to secure the cards.
NOTICE: To connect a network cable, first plug the cable into the network port or device, and then plug it into the
computer.
5
Replace the computer cover, reconnect the computer and devices to electrical outlets, and then turn
them on.
6
Remove the card’s driver from the operating system.
7
If you removed a sound card:
a
Enter system setup, select
Audio Controller
, and then change the setting to
On
(see page 91).
b
Connect external audio devices to the audio connectors on the back panel of the computer.
8
If you removed an add-in network connector:
a
Enter system setup, select
Network Controller
, and then change the setting to
On
(see page 91).
9
Connect the network cable to the integrated connector on the back panel of the computer.
CAUTION: Before you begin any of the procedures in this section, follow the safety instructions located in the
Product Information Guide.
CAUTION: To guard against electrical shock, always unplug your computer from the electrical outlet before
removing the cover.