Dell Latitude E7250/7250 (Late 2014) - Manual (Page 13)

b. base cover
3. Perform the following steps as shown in the illustration:
a. Disconnect the WLAN cable from the computer [1].
b. Loosen the screws that secure the WLAN card to the computer [2].
c. Remove the WLAN card from the computer [3].
Installing the WLAN Card
1. Place the WLAN card in its slot in the computer.
2. Tighten the screws to secure the WLAN Card to the computer.
3. Connect the WLAN cable to the computer.
4. Install :
a. base cover
b. battery
5. Follow the procedures in After Working Inside Your computer .
Removing the Keyboard Trim
1. Follow the procedures in Before Working Inside Your Computer .
2. Remove battery .
3. Using a plastic scribe, pry the edges of keyboard trim to release it from the computer.
4. Lift up to remove the keyboard trim from the computer.
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