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: The original thermal grease can be reused if the original system
board and heat sink are reinstalled together. 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 Align the screw holes on the heat-sink assembly with the screw holes on the
system board.
2 In sequential order (indicated on the heat-sink assembly), replace the six screws
(M2x3) that secure the heat-sink assembly to the system board.
3 Turn the system board over.
4 Follow the procedure from step 1 to step 3 in “Replacing the fans”.
5 Connect the right-fan cable.
6 Connect the left-fan cable.
Post-requisites
1 Replace the system board.
2 Replace the computer base.
3 Replace the wireless card.
4 Replace the solid-state drive.
5 Replace the memory modules.
6 Replace the rear cover.
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