Dell Inspiron 15 (3543, Early 2015) - Manual (Page 44)

Removing the Power-Button
Module
WARNING: Before working inside your computer, read the safety
information that shipped with your computer and follow the steps in
Before Working Inside Your Computer . After working inside your
computer, follow the instructions in After Working Inside Your
Computer . For more safety best practices, see the Regulatory
Compliance home page at dell.com/regulatory_compliance.
Prerequisites
1 Remove the battery .
2 Remove the base cover .
3 Follow the procedure from step 1 to step 3 in “Removing the Hard Drive ”.
4 Remove the keyboard .
5 Follow the procedure from step 1 to step 7 in “Removing the Palm Rest ”.
Procedure
1 Peel off the power-button board cable from the palm rest.
2 Turn the palm rest over and place it on a clean and flat surface.
3 Remove the power-button board cable through the slot on the palm rest.
4 Peel off the tape that secures the power-button board to the palm rest.
5 Remove the screw that secures the power-button board to the palm rest.
6 Note the power-button board cable routing and peel it off the palm rest.
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