Dell Dimension E521 - Manual (Page 81)

Removing and Installing Parts
81
7 Close the card retention door to snap it into place, securing the cards.
NOTICE:
To connect a network cable, first plug the cable into the network device and then plug it into the
computer.
8 Replace the computer cover, reconnect the computer and devices to electrical outlets, and then turn
them on.
9 Remove the card’s driver from the operating system.
10 If you removed a sound card:
a Enter system setup (see "System Setup" on page 111), 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 14.
11 If you removed an add-in network connector:
a Enter system setup (see "System Setup" on page 111), 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 14.
Drive Panel
CAUTION:
Before you begin any of the procedures in this section, follow the safety instructions in the
Product Information Guide.
CAUTION:
To guard against electrical shock, always unplug your computer from the electrical outlet before
removing the cover.
Removing the Drive Panel
1 Follow the procedures in "Before You Begin" on page 61.
2 Remove the computer cover (see "Removing the Computer Cover" on page 63).
book.book Page 81 Monday, July 23, 2007 3:47 PM