Dell Latitude C640 - Manual (Page 31)

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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