Dell Precision T7600 (Mid 2012) - Manual (Page 15)

4. Push the intrusion switch downwards and remove it from the computer.
Installing the Intrusion Switch
1. Install the intrusion switch into its place holder on the chassis.
2. Route the intrusion switch cable around the chassis clips and install the connector to the system board.
3. Install the left cover.
4. Follow the procedures in After Working Inside Your Computer .
Removing the PCI Card
1. Follow the procedures in Before Working Inside Your Computer .
2. Remove the left cover.
3. Open the plastic latch fastening the PCI card in its slot.
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