Dell XPS 14 (L421X, Mid 2012) - Manual (Page 21)

Replacing the Battery-LED Board
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 Slide the battery-LED-board under the tab on the base cover and use the alignment
post on the base cover to place the battery-LED-board in position.
2 Replace the screw that secures the battery-LED board to the base cover.
3 Align the screw holes on the battery-LED-board bracket with the screw holes on
the base cover.
4 Replace the screws that secure the battery-LED-board bracket to the base cover.
5 Adhere the mylar on the battery- LED board.
Postrequisites
1 Follow the instructions from step 2 to step 6 in "Removing the Base Cover" on
page 12.
Replacing the Battery-LED Board | 21