Service Manual

Power-Button Board 47
10
Power-Button Board
WARNING: Before working inside your computer, read the safety information
that shipped with your computer. For additional safety best practices information,
see the Regulatory Compliance Homepage at
www.dell.com/regulatory_compliance.
CAUTION: Only a certified service technician should perform repairs on your
computer. Damage due to servicing that is not authorized by Dell™ is not covered
by your warranty.
CAUTION: To avoid electrostatic discharge, ground yourself by using a wrist
grounding strap or by periodically touching an unpainted metal surface (such as a
connector on your computer).
CAUTION: To help prevent damage to the system board, remove the main battery
(see "Removing the Battery" on page 13) before working inside the computer.
Removing the Power-Button Board
1 Follow the instructions in "Before You Begin" on page 9.
2 Remove the battery (see "Removing the Battery" on page 13).
3 Remove the module cover (see "Removing the Module Cover" on
page 15).
4 Remove the optical drive (see "Removing the Optical Drive" on page 33).
5 Remove the palm-rest assembly (see "Removing the Palm-Rest Assembly"
on page 37).
6 Turn the palm-rest assembly over.
7 Lift the connector latch and pull the pull-tab to disconnect the
power-button board cable from the connector on the power-button board.
8 Remove the two screws that secure the power-button board to the
palm-rest assembly.
9 Lift the power-button board off the palm-rest assembly.
book.book Page 47 Wednesday, April 25, 2012 2:11 PM