Dell Precision 7920 Tower Owner's Manual

Removing the intrusion switch

1. Follow procedure in Before working inside your computer.
2. Remove the right side cover.
3. To remove the intrusion switch that is located at the bottom of the system board:
   NOTE:The system will not power on when the intrusion switch is uninstalled.
   1. Press the knob of the intrusion switch toward the bottom of the chassis [1, 2].
   2. Pull the intrusion switch down to remove it from the slot [3].
   
4. Install the right side cover
5. Flip the system back with the system cover facing up where the release latch is available.
6. Remove the following components :
   1. side cover
   2. air shroud
   3. PCIe card holder
7. To remove the intrusion switch module:
   1. Pull the bottom intrusion switch cable up toward the chassis [1].
   2. Press the tab to disconnect the intrusion switch cable from the system board [2].
   3. Unroute the intrusion switch cables from the clip on the chassis [3].
   4. Remove the screw on the intrusion module [4].
   5. Lift the intrusion module from the front system fan assembly [5].