GUID-9847FD24-88EC-4F5A-BCCF-D9D9830B777AReplacing the heat-sink assemblyWARNING: Before working inside your computer, read the safetyinformation that shipped with your computer and follow the steps in Beforeworking inside your computer. After working inside your computer, followthe instructions in After working inside your computer. For more safety bestpractices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance.CAUTION: Incorrect alignment of the heat sink can damage the systemboard and processor.NOTE: The original thermal grease can be reused if the original systemboard and fan are reinstalled together. If either the system board or the fanis replaced, use the thermal pad provided in the kit to ensure that thermalconductivity is achieved.GUID-33C9F96A-82A7-434D-A213-EB687B0C3797Procedure1 Align the screw holes on the heat-sink assembly with the screw holes on thesystem board.2 In sequential order, as indicated on the heat-sink assembly, tighten the captivescrews that secure the heat-sink assembly to the system board.3 Replace the screws that secure the heat-sink assembly to the system board.4 Connect the fan cable to the system board.GUID-C9035A20-A443-48FB-B5AE-7CD12DD5349EPost-requisites1 Replace the computer base.2 Replace the keyboard.3 Replace the wireless card.4 Follow the procedure from step 5 to step 7 in “Replacing the hard drive”.54
