Replacing The Chassis Intrusion Switch; Resetting The Chassis Intrusion Detector - Dell OptiPlex 755 User Manual

Dell optiplex 755: user guide
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3 Disconnect the chassis intrusion switch cable from the system board by using two fingers to squeeze
the release mechanism on one side of the connector as you pull to disconnect the cable connector.
4 Slide the chassis intrusion switch out of its slot in the metal bracket, and then push it down through
the square hole in the bracket to remove the switch and its attached cable from the computer.
NOTE:
You may feel a slight resistance as you slide the switch out of the slot.

Replacing the Chassis Intrusion Switch

1 Gently insert the switch from underneath the metal bracket into the square hole in the bracket, and
then slide the chassis intrusion switch into its slot until it snaps securely into place.
2 Reconnect the cable to the system board.
3 Replace the computer cover (see "Replacing the Computer Cover" on page 317).

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.
93
Desktop Computer

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