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Processor Heat Sink/Fan Assembly
Dell™ Vostro™ 420/220/220s Service Manual
Removing the Processor Heat Sink/Fan Assembly
Replacing the Processor Heat Sink/Fan Assembly
CAUTION: Before working inside your computer, read the safety information that shipped with your computer. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance.
CAUTION: To guard against likelihood of electric shock, laceration from moving fan blades, or other unexpected injuries, always unplug your computer from the electrical outlet before removing the cover.
NOTICE: The procedure for removing and replacing the processor heat sink/fan assembly is identical for the Vostro 420, Vostro 220, and Vostro 220s computers; the illustration provided is for example only and may not represent your particular computer precisely.
Removing the Processor Heat Sink/Fan Assembly
1.Follow the procedures in Before Working on Your Computer.
2.Remove the computer cover (see Removing the Computer Cover).
3.Disconnect the heat sink/fan assembly cable from the system board.
4.Loosen the four captive screws that attach the heat sink/fan assembly to the system board.
CAUTION: The heat sink/fan assembly may become very hot during normal operation. Be sure that it has had sufficient time to cool before you touch it.
NOTICE: A strong thermal solution bond may exist between the processor and heat sink. Do not use excessive force to separate the heat sink/fan assembly from the processor to avoid damaging the processor.
5.Lift the heat sink/fan assembly upward gently, and remove it from the computer. Lay the assembly with the fan facing downward, and with the thermal grease facing upward.
1 | Phillips screwdriver | 2 | heat sink/fan assembly |
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3 | heat sink/fan cable | 4 | system board fan connector |
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5 | screw holes with rubber bushings (4) | 6 | captive screws (4) |
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