Dell OptiPlex 960 Service Manual page 100

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Dell™ Optiplex™ 960 Mini Tower/Desktop/Small Form Factor Service Manual
Chassis Intrusion Switch
Chassis Intrusion Switch
CAUTION: Before working inside your computer, read the safety information that shipped with your computer. For additional safety best
practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance.
Removing the Chassis Intrusion Switch
1. Perform the procedure Before Working on Your
2. Remove the computer cover (see
3. Remove the hard drive and shroud assembly (see
4. Disconnect the chassis intrusion switch cable from the system board.
5. 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
Resetting the Chassis Intrusion Detector
1. Turn on (or restart) your computer.
2. When the 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. In the Settings menu, select Security, then Chassis Intrusion. Use the tab, arrow, and space bar keys to choose the option you prefer. If you changed
Computer.
Removing the Small Form Factor Computer
Removing the Hard Drive and Shroud
Replacing the Small Form Factor Computer
Cover).
Assembly).
Cover).