Dell OptiPlex 7020 (Mid 2014) - Manual (Page 14)

4. Pull the antenna puck from the computer.
5. Press the blue tab and lift the latch outwards. Lift and remove the WLAN card from the connector on
the system board.
Installing the WLAN Card
1. Place the WLAN card on the connector and press down.
2. Press the latch to secure the WLAN card.
3. Place the antenna puck on the connector and tighten the screws that secure it to the computer.
4. Install the cover.
5. Follow the procedures in After Working Inside Your Computer.
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