Dell Precision 7520 - Installing the WWAN Card; WLAN Card; Removing the Wireless Local Area Network - WLAN Card

Installing the WWAN card
NOTE
: Depending on the conguration you choose, you may or may not have WWAN card.
1 Slide the WWAN card to the WWAN card slot.
2 Replace the M2.0x3.0 screw to secure the WWAN card to the computer.
3 Route the antenna cables through the routing channels and connect them to the WWAN card.
4 Install the:
a base cover
b battery
c battery cover
5 Follow the procedure in After working inside your computer.
WLAN card
Removing the Wireless Local Area Network - WLAN card
1 Follow the procedure in Before working inside your computer.
2 Remove the:
a battery cover
b battery
c base cover
3 To remove the WLAN card from the computer:
a Remove the M2.0x3.0 screw that secures the WLAN card to the computer [1].
b Remove the shield that secures the antenna cables [2].
c Disconnect and un-route the antenna cables connected to the WLAN card and remove the WLAN card from the computer [3,4].
20
Disassembly and reassembly