Dell XPS 8500 (Early 2012) - Manual (Page 50)

Removing the Mini-Card
1 Disconnect the antenna cable(s) from the Mini-Card.
2 Remove the screws that secure the Mini-Card to the system board.
1
2
3
5
4
1 screws (2) 2 tab
3 notch 4 Mini-Card
5 antenna cables (2)
3 Lift the Mini-Card away from the system-board connector.
Wireless Mini-Card 50