Removing The Processor Heat Sink/Fan Assembly - Dell Vostro 220s Service Manual

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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
2. Remove the computer cover (see
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.
Before Working on Your
Removing the Computer
Computer.
Cover).