Dell Inspiron 1122 (M102z, Early 2011) - Manual (Page 14)

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Processor Fan and Heat Sink Assembly
Dell Inspiron 1122 Service Manual
Removing the Processor Fan and Heat Sink Assembly
Replacing the Processor Fan and Heat Sink Assembly
Removing the Processor Fan and Heat Sink Assembly
1. Follow the instructions in Before You Begin .
2. Remove the system board (see Removing the System Board ).
3. Disconnect the fan cable from the connector on the system board.
4. Loosen the four captive screws that secure the processor heat sink to the system board in sequential order (indicated next to the captive screws).
5. Remove the processor heat sink from the system board.
Replacing the Processor Fan and Heat Sink Assembly
1. Follow the instructions in Before You Begin .
2. Align the four captive screws on the processor heat sink with the screw holes on the system board and tighten the screws in sequential order (indicated
next to the captive screws).
3. Connect the fan cable to the connector on the system board.
4. Replace the system board (see 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 dell.com/regulatory_compliance.
WARNING: If you remove the processor heat sink from the computer when the heat sink is hot, do not touch the metal housing of the processor
heat sink.
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.
NOTE: The appearance of the heat sink may vary based on your computer model.
1 captive screws (4) 2 fan cable
3 processor heat sink
NOTE: The original thermal pad can be reused if the original processor and processor heat sink are reinstalled together. If either the processor or
processor 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 and are ready to replace it.