Dell XPS L702X Service Manual page 22

4 Remove the optical drive (see "Removing the Optical Drive" on page 33).
5 Remove the palm-rest assembly (see "Removing the Palm-Rest Assembly"
on page 37).
6 Remove the keyboard (see "Removing the Keyboard" on page 43).
7 Disconnect the antenna cables from the Mini-Card(s).
8 Remove the screw that secures the Mini-Card to the system board.
NOTE:
Your computer can only support either a WWAN Mini-Card or a TV tuner
module in the full Mini-Card slot at a time.
4
1 antenna cables (2)
3 system-board connector
9 Lift the Mini-Card(s) out of the system-board connector.
22
Wireless Mini-Card(s)
1
2 Mini-Card
4 screw
3
2