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Microprocessor Thermal-Cooling Assembly

Dell™ Inspiron™ 640M/E1405 Service Manual

  Removing the Microprocessor Thermal-Cooling Assembly

  Replacing the Microprocessor Thermal-Cooling Assembly

Removing the Microprocessor Thermal-Cooling Assembly

CAUTION: Before you perform any of the procedures in this section, follow the safety instructions in the Product Information Guide.

NOTICE: To avoid electrostatic discharge, ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal surface, such as the back panel on the computer.

1. Follow the instructions in Preparing to Work Inside the Computer.
   
   
2. Loosen the three captive screws securing the microprocessor module cover, then remove the cover and set it aside.
   
   

1

microprocessor module cover

2

captive screws (3)

3. Loosen the four captive screws securing the microprocessor thermal-cooling assembly to the system board, then carefully lift the assembly straight out of the computer.
   
   

1

microprocessor thermal-cooling assembly

2

captive screws (4)

Replacing the Microprocessor Thermal-Cooling Assembly

CAUTION: Before you perform any of the procedures in this section, follow the safety instructions in the Product Information Guide.

NOTICE: To avoid electrostatic discharge, ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal surface, such as the back panel on the computer.

1. Follow the instructions in Preparing to Work Inside the Computer
   
   
2. Follow the instructions in Removing the Microprocessor Thermal-Cooling Assembly.
   
   
3. Align the four captive screws on the new microprocessor thermal-cooling assembly with the screw holes on the system board.
   
   
4. Tighten the four captive screws in the order that they are numbered to secure the microprocessor thermal-cooling assembly to the system board.
   
   
5. Replace the microprocessor module cover.
   
   

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