Dell P82G, Service Manual

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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.
Procedure
NOTE: The following procedure applies only to computers shipped with Intel Core i5 or Intel Core i7 processor.
1. Align the screw holes on the heat-sink assembly with the screw holes on the system board.
2. Replace the two screws (M1.6x3) that secure the heat-sink assembly to the system board.
3. Replace the four screws (M2x3) that secure the heat-sink assembly to the system board in sequential order (as indicated on
the heat-sink assembly).
4. Connect the right-fan cable to the system board.
5. Connect the left-fan cable to the system board.
6. Connect the camera cable to the system board.
7. Align the screw hole on the wireless antenna and camera-cable bracket to the screw hole on the system board
8. Replace the screw (M1.6x3) that secures the wireless antenna and camera-cable bracket to the system board.
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Replacing the heat-sink assembly 37