Installing The Base Cover; Wwan Card; Removing Wireless Wide Area Network - Wwan Card - Dell Precision 7720 Owner's Manual

Installing the base cover

1. Slide the base cover to align with the screw holes on the computer.
2. Replace the M2.5X5.0 screws to secure the base cover to the computer.
3. Install the:
a) battery
b) battery cover
4. Follow the procedure in

WWAN card

Removing Wireless Wide Area Network - WWAN card

NOTE: Depending on the configuration you choose, you may or may not have WWAN card.
1. Follow the procedure in
2. Remove the:
a) battery cover
b) battery
c) base cover
3. To remove the WWAN card:
a) Disconnect and unroute the antenna cables connected to the WWAN card [1].
b) Remove the M2.0x3.0 screw that secures the WWAN card to the computer [2].
c) Remove the WWAN card from the computer [3].
20 Disassembly and reassembly
After working inside your computer.
Before working inside your computer.