Dell OptiPlex 5270 All-in-One Service Manual

Installing the WLAN card

1. To install the WLAN card:
   1. Align and replace the WLAN card into the WLAN card slot [1].
   2. Connect the antenna cables to the WLAN card [2].
   3. Replace the WLAN card bracket on the WLAN card [3].
   4. Replace the screw (M2x2.5) that secures the WLAN card bracket and the WLAN to the system board [4].
      
2. To install the WLAN card shield:
   1. Align the screw slot on the WLAN card shield with the screw slot on the system board and place the WLAN card shield on the system board [1].
   2. Replace the two screws (M2x2.5) that secure the WLAN card shield to the system board [2]
   
3. Install the following components:
   1. system board shield
   2. Back cover
   3. Stand
4. Follow the procedure in After working inside your computer.