Replacing the heat-sink assembly
NOTE: 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/paste provided in the kit to
ensure that thermal conductivity is achieved.
Topics:
• Procedure
• Post-requisites
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 seven screws (M2x3) that secure the heat-sink assembly to
the system board.
3. Connect the right-fan cable to the respective connector on the system board.
4. Connect the left-fan cable to the respective connector on the system board.
Post-requisites
1. Replace the
computer base.
2. Replace the
rear-I/O cover.
3. Replace the solid-state drive.
4. Replace the wireless card.
5. Replace the base cover.
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