Service Manual

Replacing the heat-sink
assembly
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 fan and heat-sink assembly is
replaced, use the thermal pad provided in the kit to ensure that thermal
conductivity is achieved.
Procedure
1 Place the heat-sink assembly on the system board.
2 Align the screw holes on the heat-sink assembly with the screw holes on the
system board.
3 In sequential order (indicated on the heat-sink assembly), tighten the three
captive screws (M2x3) that secure the heat-sink assembly to the system board.
4 Connect the fan cable to the system board.
Post-requisites
1 Follow the procedure from step 3 to step 8 in ”Replacing the computer base".
2 Replace the keyboard.
3 Replace the wireless card.
4 Replace the hard drive.
5 Replace the base cover.
6 Replace the optical drive.
7 Replace the battery.
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