Dell XPS 14 (L421X, Mid 2012) - Manual (Page 26)

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