Replacing The Processor Fan And Heat-Sink Assembly - Dell XPS 8300 Service Manual

Replacing the Processor Fan and Heat-Sink Assembly

1 Follow the instructions in "Before You Begin" on page 13
2 Clean the thermal grease from the bottom of the heat-sink.
CAUTION:
Ensure that you apply new thermal grease. New thermal grease is
critical for ensuring adequate thermal bonding, which is a requirement for optimal
processor operation.
3 Apply new thermal grease to the top of the processor.
4 Place the processor fan and heat-sink assembly over the processor.
5 Align the four captive screws on the processor fan and heat-sink assembly
with the screw holes on the system board.
6 Tighten the four captive screws that secure the processor fan and heat-sink
assembly to the system board.
NOTE:
Ensure that the processor fan and heat-sink assembly is correctly seated
and secure.
7 Connect the processor fan cable to the system board connector, CPU_FAN
(see "System Board Components" on page 10).
8 Replace the computer cover (see "Replacing the Computer Cover" on
page 18).
9 Connect your computer and devices to electrical outlets, and turn them
on.
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Fans