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 palm-rest assembly and align the screw holes on the heat-sink assembly with the screw
holes on the palm-rest assembly.
2 Tighten the captive screws in the sequential order (1>2>3>4>5>6>7>8) to secure the heat-sink assembly to the palm-
rest assembly.
3 Replace the two screws (M2.5x5) that secure the heat-sink assembly to the palm-rest assembly.
4 Connect the fan cables to the system board.
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