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System Board 45
12
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 15) 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 7.
2
Remove any installed card or blank from the Media Card Reader.
3
Remove the base cover (see "Removing the Base Cover" on page 11).
4
Remove the battery (see "Removing the Battery" on page 15).
5
Remove the Mini-Card (see "Removing the Mini-Card" on page 21).
6
Remove the hard drive (see "Removing the Hard Drive" on page 25).
7
Remove the coin-cell battery (see "Removing the Coin-Cell Battery" on
page 29).
8
Remove the optical drive (see "Removing the Optical Drive" on page 31).
9
Remove the heat sink and fan (see "Removing the Heat Sink and Fan" on
page 41).
10
Gently peel off the keyboard-cable pull tab from the keyboard cable
connector on the system board.
book.book Page 45 Thursday, May 3, 2012 3:09 PM