Dell Inspiron 13z (N301z, Mid 2010) - Manual (Page 17)

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Processor Heat Sink Assembly
Dell™ Inspiron™ M301Z/N301Z Service Manual
Removing the Processor Heat Sink Assembly
Replacing the Processor Heat Sink Assembly
Removing the Processor Heat Sink Assembly
1. Follow the instructions in Before You Begin .
2. Follow the instructions from step 2 to step 18 in Removing the System Board .
3. Loosen the eight captive screws that secure the processor heat sink assembly to the system board in sequential order (indicated on the processor heat
sink).
4. Remove the processor heat sink assembly from the system board.
Replacing the Processor Heat Sink Assembly
1. Follow the instructions in Before You Begin .
2. Align the eight captive screws on the processor heat sink assembly with the screw holes on the system board and tighten the screws in sequential
order (indicated on the processor heat sink).
3. Follow the instructions from step 4 to step 20 in Replacing the System Board .
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 processor heat sink assembly from the computer when the heat sink is hot, do not touch the metal housing of the
processor heat sink assembly.
CAUTION: Only a certified service technician should perform repairs on your computer. Damage due to servicing that is not authorized by Dell™
is not covered by your warranty.
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 processor heat sink
assembly
2 captive screws
(8)
3 system board
NOTE: The original thermal pad can be reused if the original processor and heat sink are reinstalled together. If either the processor or heat sink is
replaced, use the thermal pad provided in the kit to ensure that thermal conductivity is achieved.
NOTE: This procedure assumes that you have already removed the processor heat sink assembly and are ready to replace it.
CAUTION: Before turning on the computer, replace all screws and ensure that no stray screws remain inside the computer. Failure to do so may
result in damage to the computer.