Replacing the chassis intrusion switch, Resetting the chassis intrusion detector, Small form factor computer – Dell OptiPlex GX520 User Manual
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Small Form Factor Computer
Replacing the Chassis Intrusion Switch
1.
Gently slide the chassis instrusion switch into its slot and reconnect the cable to the system board.
2.
Replace the computer cover
.
3.
Attach the computer stand, if it is used.
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.