Removing and Installing Parts 113
12 Stand the computer upright.
13 Reconnect the computer and devices 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.
14 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,
speaker/headphone, or line-in connectors on the computer back
panel (see "Back-Panel Features").
15 If you installed an add-in network adapter, 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 network adapter’s
connectors. Do not connect the network cable to the integrated
connector on the computer back panel (see "Back-Panel
Features").
Removing an Expansion Card CAUTION: Before you perform this procedure, see "Safety First—
For You and Your Computer."
NOTICE: Before disconnecting a device from the computer, wait 10 to 20
seconds after disconnecting the computer from its electrical outlet. Before
removing a component from the system board, verify that the standby power
light on the system board has turned off. T o locate this light, see "System Board
Components" or the interior service label.
1Turn off the computer and devices, disconnect them from their
electrical outlets, and wait 10 to 20 seconds.
2Lay the computer down on its right side.
3Open the computer cover.