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Chassis Intrusion Switch

Dell™ OptiPlex™ GX280 Systems User's Guide

CAUTION: Before you begin any of the procedures in this section, follow the safety instructions located in the Product Information Guide.

Replacing the Chassis Intrusion Switch

1. Follow the procedures in "Before You Begin."
   
   
2. 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.

3. Slide the chassis intrusion switch out of its slot, and remove the switch and its attached cable from the computer.
   
   

4. Slide the chassis intrusion switch into its slot and connect the cable to the connector on the control panel.
   
   
5. Close the computer cover.
   
   
6. Attach the computer stand, if it is used.
   
   

NOTICE: To connect a network cable, first plug the cable into the network wall jack and then plug it into the computer.

7. Connect your computer and devices to electrical outlets, and turn them on.
   
   

Resetting the Chassis Intrusion Detector

1. Turn on (or restart) your computer.
   
   
2. When the blue DELL™ logo appears, press <F2> immediately.
   
   

If you wait too long and the operating system logo appears, continue to wait until you see the Microsoft® Windows® desktop. Then shut down your computer and try again.

3. Select the Chassis Intrusion option and then press the left- or right-arrow key to select Reset. Change the setting to On, On-Silent, or Disabled.
   
   

NOTE: The default setting is On-Silent.

4. Press <Alt><B> to restart the computer and implement your changes.
   
   

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