Dell Precision T1650 (Mid 2012) - Manual (Page 8)

Removing the Intrusion Switch
1. Follow the procedures in Before Working Inside Your Computer .
2. Remove the cover.
3. Press the clip inwards to release and disconnect the intrusion cable from system board.
Figure 2.
4. Slide the intrusion switch toward the chassis bottom and remove it from the chassis.
Figure 3.
Installing the Intrusion Switch
1. Insert the intrusion switch into the slot on the back of the chassis and slide it out to secure it.
2. Connect the intrusion cable to the system board.
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