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Chassis Intrusion Switch
Dell™ OptiPlex™ GX270 Service Manual
Removing the Chassis Intrusion Switch
Replacing the Chassis Intrusion Switch
Resetting the Chassis Intrusion Detector
CAUTION: Before you begin any of the procedures in this section, follow the steps in "Safety Instructions."
NOTICE: Before you disconnect a device from the computer or remove a component from the system board, verify that the standby power light on the system board has turned off. To locate the light, see "System Board."
1.Shut down the computer through the Start menu.
2.Ensure that your computer and attached devices are turned off. If your computer and attached devices did not automatically turn off when you shut down your computer, turn them off now.
NOTICE: To disconnect a network cable, first unplug the cable from your computer and then unplug it from the network wall jack.
3.Disconnect any telephone or telecommunication lines from the computer.
4.Disconnect your computer and all attached devices from their electrical outlets, and then press the power button to ground the system board.
5.Remove the computer stand, if it is attached.
CAUTION: To guard against electrical shock, always unplug your computer from the electrical outlet before opening the cover.
6.Open the computer cover.
NOTICE: Before touching anything inside your computer, ground yourself by touching an unpainted metal surface, such as the metal at the back of the computer. While you work, periodically touch an unpainted metal surface to dissipate any static electricity that could harm internal components.
Removing the Chassis Intrusion Switch
1.Disconnect the chassis intrusion switch cable from the control panel on the front of the computer.
Note the routing of the chassis intrusion cable as you remove it from the chassis. Chassis hooks may hold the cable in place inside the chassis.
2.Slide the chassis intrusion switch out of its slot, and remove the switch and its attached cable from the computer.
Small
Small Desktop Computer