Service Manual

Replacing the heat sink
WARNING: Before working inside your computer, read the safety
information that shipped with your computer and follow the steps in Before
working inside your computer. After working inside your computer, follow
the instructions in After working inside your computer. For more safety best
practices, see the Regulatory Compliance home page at
www.dell.com/
regulatory_compliance.
CAUTION: Incorrect alignment of the heat sink can damage the system
board and processor.
NOTE: If either the system board or the heat sink is replaced, use the
thermal pad provided in the kit to ensure that thermal conductivity is
achieved.
Procedure
1 Place the heat sink on the system board and align the screw holes on the heat
sink with the screw holes on the system board.
2 In sequential order (as indicated on the heat sink), tighten the captive screws
that secure the heat sink to the system board.
Post-requisites
1 Replace the base cover.
2 Replace the keyboard.
3 Replace the optical drive.
4 Replace the battery.
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