Removing The Chassis Intrusion Switch; Replacing The Chassis Intrusion Switch - Dell OptiPlex GX400 Service Manual

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Chassis Intrusion Switch
Dell™ OptiPlex™ GX400 Service Manual
Removing the Chassis Intrusion Switch
Replacing the Chassis Intrusion Switch

Removing the Chassis Intrusion Switch

CAUTION: Before you perform this procedure, see
NOTICE: Before disconnecting a device from the computer or removing a component from the system board, verify that the standby power light on the system
board has turned off. To locate this light, see
1. Turn off the computer and devices, disconnect them from their electrical outlets, wait at least 5 seconds, and then
2. Remove the front panel.
3. Remove the AGP card brace
4. Remove all expansion cards.
5. Remove the hard drive bracket.
6. Remove the expansion-card
7. Disconnect the chassis intrusion switch cable from the control-panel connector (ALERT). To locate this connector, see
8. Slide the chassis intrusion switch up out of its slot on the chassis.
9. Lift the chassis intrusion switch and switch cable away from the chassis.
Removing the Chassis Intrusion Switch

Replacing the Chassis Intrusion Switch

To replace the chassis intrusion switch, perform the
"Precautionary
"System Board Components."
or AGP card clip.
guide.
removal procedure
Measures."
in reverse.
remove the computer cover.
"Control Panel Components."