Removing The Microprocessor Thermal Cooling Assembly; Replacing The Microprocessor Thermal Cooling Assembly - Dell Inspiron 4150 Owner's Manual

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Microprocessor Thermal Cooling Assembly
Dell™ Inspiron™ 4150

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
1. Remove the hard drive.
2. Remove the keyboard.
3. Loosen the four captive screws that secure the microprocessor thermal cooling assembly to the system board.
1 microprocessor thermal
cooling assembly
2 captive screws (4)
3 right side of the thermal
cooling assembly
4 recess in the 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 away
from the system board.

Replacing the Microprocessor Thermal Cooling Assembly

NOTICE: When replacing the microprocessor, to ensure proper thermal operation, always install a new thermal cooling assembly that is compatible with
the 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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Computer" before performing the following procedure.