Installing Upgrades 101
5Grasp the card by its top corners, and ease it out of its connector.
6If you are removing the card permanently, install a filler bracket in the
empty card-slot opening, using the screw you removed in step 4.
If you need a filler bracket, contact Dell and order part number 81808.
NOTE: Installing filler brackets over empty card-slot openings is
necessary to maintain Federal Communications Commission (FCC)
certification of the system. The brackets also keep dust and dirt out of
your computer.
7If you removed the AGP brace, replace it.
8Replace the computer cover, reconnect the computer and peripherals
to their electrical outlets, and turn them on.
NOTE: If enabled, the Chassis Intrusion option will cause the following
message to be displayed at the next system start-up:
ALERT! Cover was previously removed.
9If you removed a sound card, perform the following steps:
aEnter system setup, select Integrated Devices and change the
setting for Sound to On.
bConnect external audio devices to the audio connectors on the
system back panel (see "Back-Panel Connectors and Indicators").
10 If you removed an add-in NIC, perform the following steps:
aEnter system setup, select Integrated Devices and change the
setting for Network Interface Card to On.
bConnect the network cable to the integrated NIC connector on
the system back panel (see "Back-Panel Connectors and
Indicators").
Microprocessor

Upgrading the Microprocessor

NOTE: Dell recommends that only a technically knowledgeable person
perform this procedure.