Service Manual

System Board 103
23
System 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.
CAUTION: Handle components and cards by their edges, and avoid touching pins
and contacts.
Removing the System 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 memory module(s) (see "Removing the Memory Module(s)"
on page 17).
5 Remove the palm-rest assembly (see "Removing the Palm-Rest Assembly"
on page 29).
6 Remove the keyboard (see "Removing the Keyboard" on page 43).
7 Remove the display assembly (see "Removing the Display Assembly" on
page 49).
8 Follow the instructions from step 9 to step 14 in "Removing the Top
Cover" on page 65.