Dell Latitude C640 - Manual (Page 30)

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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