Dell XPS 15 (L521X, Mid 2012) - Manual (Page 52)

Replacing the Power/Battery Status-Light 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 8. After working inside your computer, follow the instructions in
"After Working Inside Your Computer" on page 10. For additional safety best
practices information, see the Regulatory Compliance Homepage at
dell.com/regulatory_compliance.
Procedure
1 Slide the power/battery status-light board under the tab on the palm-rest assembly
and align the screw hole on the power/battery status-light board with the screw
hole on the palm-rest assembly.
2 Replace the screw that secures the power/battery status-light board to the
palm-rest assembly.
3 Route the power/battery status-light cable on the palm-rest assembly and secure
the cable with the tape.
4 Slide the power/battery status-light cable into the power/battery status-light
connector and press down on the connector latch to secure the cable.
5 Adhere the mylar to the power/battery status-light board.
Postrequisites
1 Replace the speakers. See "Replacing the Speakers" on page 49.
2 Replace the battery. See "Replacing the Battery" on page 22.
3 Follow the instructions from step 2 to step 7 in "Replacing the Base Cover" on
page 14.
52 | Replacing the Power/Battery Status-Light Board