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: 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
NOTE: The location and number of captive screws on the heat sink vary depending on the graphics conguration ordered.
1 Slide the heat sink under the fan shroud and between the fan, and align the captive screws on the heat sink with the screw holes on
the system board and display-assembly base.
2 In sequential order (as indicated on the heat sink), tighten the captive screws that secure the heat sink to the system board and
display-assembly base.
Post-requisites
1 Replace the system-board shield.
2 Replace the back cover.
3 Replace the stand.
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46 Replacing the heat sink
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