2.Remove the base cover (see Removing the Base Cover).
3.Remove the battery (see Removing the Battery).
4.Remove the fan (see Removing the Fan).
5.In sequential order (indicated on the heat sink), loosen the seven captive screws that secure the heat sink to the system board.
6.Lift the heat sink away from the system board.
Replacing the Heat Sink
1.Follow the instructions in Before You Begin.
2.Clean the thermal grease from the bottom of the heat sink and reapply it.
3.Align the seven captive screws on the heat sink with the screw holes on the system board and tighten the screws in sequential order (indicated on the
WARNING: Before working inside your computer, read the safety information that shipped with your computer. For additional safety best
practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance.
WARNING: If you remove the heat sink from the computer when the heat sink is hot, do not touch the metal housing of the heat sink.
CAUTION: To avoid electrostatic discharge, ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal
surface (such as a connector on your computer).
CAUTION: To help prevent damage to the system board, remove the main battery (see Removing the Battery) before working inside the
computer.
1
heat sink
2
captive screws (7)
3
palm-rest assembly
NOTE: The original thermal grease can be reused if the original processor and heat sink are reinstalled together. If either the processor or the heat sink
is replaced, use the thermal pad provided in the kit to ensure that thermal conductivity is achieved.
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