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System Board 67
17
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
Press and eject any installed cards from the 3-in-1 media card reader.
3
Remove the battery. See "Removing the Battery" on page 13.
4
Remove the keyboard. See "Removing the Keyboard" on page 15.
5
Remove the memory module(s). See "Removing the Memory Module(s)"
on page 19.
6
Remove the optical drive. See "Removing the Optical Drive" on page 23.
7
Follow the instructions from step 3 to step 8 in "Removing the Palm-Rest
Assembly" on page 29.
8
Follow the instructions from step 5 to step 6 in "Removing the Hard Drive"
on page 37.
9
Remove the thermal cooling assembly. See "Removing the Thermal
Cooling Assembly" on page 45.