Dell OptiPlex 9010 (Mid 2012) - Manual (Page 10)

Installing the Intrusion Switch
1. Insert the intrusion switch into its place in the chassis rear and slide it towards the top to secure it.
2. Connect the intrusion cable to the system board.
3. Install the cover.
4. Follow the procedures in After Working Inside Your Computer .
Removing the Wireless Local Area Network (WLAN) Card
1. Follow the procedures in Before Working Inside Your Computer .
2. Remove the cover.
3. Remove the screws that secure the antenna puck to the computer. Pull the antenna puck from the computer.
4. Press the blue tab and lift the latch outwards.
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