5If you are replacing a card that is already installed in the computer, remove the card.
If necessary, disconnect any cables connected to the card.
•For PCI card, grasp the card by its top corners, and ease it out of its connector.
•For PCI Express card, pull the securing tab, grasp the card by its top corners, and then ease it out of its connector.
6If you are removing the card permanently, install a filler bracket in the empty
NOTE: Installing filler brackets over empty
7Replace the card retention bracket, ensuring that:
•The guide clamp is aligned with the guide notch.
•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.
8Fix the card retention bracket by replacing and tightening the screw.
NOTICE: To connect a network cable, first plug the cable into the network device and then plug it into the computer.
9Replace the computer cover, reconnect the computer and devices to electrical outlets, and then turn them on.
10Remove the card’s driver from the operating system.
11If you removed a sound card:
a Enter system setup (see "System Setup" on page 174), 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 20.