100 Installing Upgrades
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9Replace 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.
10 If you installed a sound card, perform the following steps:
aEnter system setup, select Integrated Devices and change the
setting for Sound to Off.
bConnect external audio devices to the sound card’s connectors.
Do not connect external audio devices to the microphone, line-
out, or line-in connectors on the system back panel (see "Back-
Panel Connectors and Indicators").
11 If you installed an add-in NIC, perform the following steps:
aEnter system setup, select Integrated Devices and change the
setting for Network Interface Card to Off.
bConnect the network cable to the add-in NIC’s connectors. Do
not connect the network cable to the integrated NIC connector on
the system back panel (see "Back-Panel Connectors and
Indicators").
Removing an Expansion Card CAUTION: Before you perform this procedure, see "Safety First—
For You and Your Computer."
1Turn off the computer and peripherals, disconnect them from their
electrical outlets, wait at least 5 seconds, and then remove the
computer cover.
2If you have a mini tower chassis and you are removing an AGP card,
remove the AGP card brace.
3If necessary, disconnect any cables connected to the card.
4Remove the screw that secures the expansion card bracket to the
chassis.
Save the screw to use when installing the expansion card or filler
bracket later in this procedure.