Dell XPS 14 (L421X, Mid 2012) - Manual (Page 31)

Removing the Wireless Mini-Card
WARNING: Before working inside your computer, read the safety information
that shipped with your computer and follow the steps in "Before You Begin" on
page 9. After working inside your computer, follow the instructions in
"After Working Inside Your Computer" on page 11. For additional safety best
practices information, see the Regulatory Compliance Homepage at
dell.com/regulatory_compliance.
Prerequisites
1 Follow the instructions from step 1 to step 7 in "Removing the Base Cover" on
page 12.
2 Remove the speakers. See "Removing the Speakers" on page 22.
3 Remove the battery. See "Removing the Battery" on page 25.
Procedure
1 Disconnect the antenna cables from the wireless mini-card.
2 Remove the screw that secures the wireless mini-card to the system board.
3
1
2
1 screw 2 wireless mini-card
3 antenna cables (2)
Removing the Wireless Mini-Card | 31