Dell XPS 14 (L421X, Mid 2012) - Manual (Page 46)

Replacing the Fan
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.
Procedure
1 Connect the fan cable to the system board.
2 Align the screw hole on the fan with the screw hole on the palm-rest assembly.
3 Replace the screw that secures the fan to the palm-rest assembly.
Postrequisites
1 Replace the battery. See "Replacing the Battery" on page 26.
2 Replace the speakers. See "Replacing the Speakers" on page 24.
3 Follow the instructions from step 2 to step 6 in "Replacing the Base Cover" on
page 15.
46 | Replacing the Fan