Dell XPS 8930, Service Manual

Page: 88 / 142

Replacing blower and heat-sink
assembly
WARNING: Before working inside your computer, read the safety
information that shipped with your computer and follow the steps in
Before
working inside your computer . After working inside your computer, follow
the instructions in After working inside your computer . For more safety best
practices, see the Regulatory Compliance home page at www.dell.com/
regulatory_compliance .
Procedure
CAUTION: If either the processor or the heat-sink assembly is replaced, use
the thermal grease provided in the kit to make sure that thermal
conductivity is achieved.
NOTE: The original thermal grease can be reused if the original processor
and heat-sink assembly are reinstalled together.
1 Connect the blower cable to the system board.
For more information, see “
System-board components ”.
2 Place the heat-sink assembly over the processor.
3 Align the captive screws on the heat-sink assembly with the screw holes on the
system board.
4 In a non-adjacent sequence, tighten the captive screws that secure the heat-sink
assembly to the system board.
5 Place the blower over the heat-sink assembly.
6 Align the screw holes on the blower to the screw holes on the heat-sink
assembly.
7 Replace the screws that secure the blower to the heat-sink assembly.
Post-requisites
1 Follow the procedure from step 9 to step 10 in “ Replacing the power-supply
unit ”.
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