Dell OptiPlex 5270 All-in-One - WLAN Card; Removing the WLAN Card

4. Install the following components:
a) System board shield
b) Back cover
c) Stand
5. Follow the procedure in After working inside your computer.
WLAN card
Removing the WLAN card
1. Follow the procedure in Before working inside your computer.
2. Remove the following components:
a) Stand
b) Back cover
c) System board shield
3. To remove the WLAN card shield:
a) Remove the two screws (M2x2.5) that secure the WLAN card shield to the system board [1].
b) Remove the WLAN card shield from the system board [2].
Removing and Installing components
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