Dell Inspiron 15R (N5110, Early 2011) - Manual (Page 65)

System Board 65
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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 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 9.
2 Press and eject any installed cards from the 8-in-1 media card reader.
3 Remove the battery (see "Removing the Battery" on page 15).
4 Remove the module cover (see "Removing the Module Cover" on
page 17).
5 Follow the instructions from step 4 to step 5 in "Removing the Optical
Drive" on page 23.
6 Remove the memory module(s) (see "Removing the Memory Module(s)"
on page 19).
7 Follow the instructions from step 3 to step 9 in "Removing the Palm-Rest
Assembly" on page 31.
8 Remove the display assembly (see "Removing the Display Assembly" on
page 41).
9 Remove the hinge cover (see "Removing the Hinge Cover" on page 53).