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Microprocessor Thermal Cooling Assembly

Dell™ Latitude™ C540/C640 Service Manual

Removing the Microprocessor Thermal Cooling Assembly

NOTICE: Disconnect the computer and any attached devices from electrical outlets, and remove any installed batteries.

NOTICE: To avoid ESD, ground yourself by using a wrist grounding strap or by touching an unpainted metal surface on the computer.

NOTICE: Read "Preparing to Work Inside the Computer" before performing the following procedure.

1. Remove the hard drive.
   
   
2. Remove the keyboard.
   
   
3. Loosen the four captive screws that secure the microprocessor thermal cooling assembly.
   
   

1	microprocessor thermal cooling assembly
2	captive screws (4)
3	right side of thermal cooling assembly
4	recess in EMI shield (prying location)

4. Insert a screwdriver into the recess in the EMI shield under the front left corner of the thermal cooling assembly, and pry the assembly up and out of the system board.
   
   

Replacing the Microprocessor Thermal Cooling Assembly

NOTICE: To ensure proper thermal operation, always install a new, compatible thermal cooling assembly along with a new microprocessor.

1. Place the right side of the microprocessor thermal cooling assembly under the palm rest and lower the assembly onto the system board.
   
   
2. Tighten the four captive screws, labeled 1 through 4, in consecutive order.
   
   

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