Dell Vostro 220 Service Manual - Page 99

Processor Heat Sink/Fan Assembly, Removing the Processor Heat Sink/Fan Assembly - 220s processor

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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" on page 35. 2 Remove the computer cover (see "Removing the Computer Cover" on page 47). 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. Processor Heat Sink/Fan Assembly 99

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Processor Heat Sink/Fan Assembly
99
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" on page35.
2
Remove the computer cover (see "Removing the Computer Cover" on
page 47).
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.