Removing and Installing Parts 79
12
If you installed an add-in network adapter and want to disable the integrated network adapter:
a
Enter system setup (see "System Setup" on page 115), go to 
Onboard Devices
 and select 
Integrated NIC,
 and then change the setting to 
Off
.
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. See "Back Panel Connectors" on 
page 16.
13
Install any drivers required for the card as described in the card documentation.
Removing a PCI Card
1
Follow the procedures in "Before You Begin" on page 65.
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 necessary, disconnect any cables connected to the card. Grasp the card by its top corners and ease it 
out of its connector. If a sound card is removed, a jumper should be installed on the Front IO card 
audio connector.
4
If you are removing the card permanently, install a filler bracket in the empty card-slot opening.
  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.
5
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 device and then plug it into the 
computer.
6
Replace the computer cover, reconnect the computer and devices to electrical outlets, and then turn 
them on.
7
Remove the card’s driver from the operating system.
8
If you removed a sound card:
a
Enter system setup (see "System Setup" on page 115), go to 
Onboard Devices
 and select 
Integrated Audio
, and then change the setting to 
On
.
b
Connect external audio devices to the audio connectors on the back panel of the computer. See 
"Back Panel Connectors" on page 16.
9
If you removed an add-in network connector:
a
Enter system setup (see "System Setup" on page 115), go to 
Onboard Devices
 and select 
Integrated NIC
, and then change the setting to 
On
.
b
Connect the network cable to the integrated connector on the back panel of the computer. See 
"Back Panel Connectors" on page 16.