Dell Vostro 2520 (Mid 2012) - Manual (Page 20)

5. Remove the WLAN card from the computer.
Installing the Wireless Local Area Network (WLAN) Card
1. Slide the WLAN card into its slot.
2. Clip on the WLAN card to the latch to secure it in place.
3. Connect the antennae according to the color code on the WLAN card.
4. Install:
a) palmrest
b) keyboard
c) battery
5. Follow the procedures in After Working Inside Your Computer .
Removing the Coin-Cell Battery
1. Follow the procedures in Before Working Inside Your Computer .
2. Remove:
a) battery
b) keyboard
c) palmrest
3. Disconnect the coin-cell battery cable from the system board.
20