Dell OptiPlex 7040-Small Form Factor - Installing the Intrusion Switch; Removing the Expansion Card

2. Remove the:
a. cover
b. fan duct
3. To remove the intrusion switch:
a. Disconnect the intrusion switch cable from the connector on the system board [1][2].
b. Slide the intrusion switch and lift it away from the computer [3].
Installing the intrusion switch
Steps
1. Insert the intrusion switch into the slot on the chassis.
2. Connect the intrusion switch cable to the system board.
3. Install the:
a. fan duct
b. cover
4. Follow the procedure in After Working Inside Your Computer.
Removing the expansion card
Steps
1. Follow the procedure in Before Working Inside Your Computer.
2. Remove the:
a. cover
b. fan duct
3. To remove the expansion card:
a. Pull the metal tab to open the expansion card latch [1].
b. Pull the tab forward [2] and pull the expansion card from the connector on the computer [3].
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Removing and installing components