Dell XPS 8900 Service Manual - Page 84

Removing the processor fan and heat-sink assembly, Prerequisites, Procedure

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Removing the processor fan 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. WARNING: The heat sink may become hot during normal operation. Allow sufficient time for the heat sink to cool before you touch it. CAUTION: For maximum cooling of the processor, do not touch the heat transfer areas on the heat sink. The oils in your skin can reduce the heat transfer capability of the thermal grease. Prerequisites Remove the computer cover. Procedure 1 Disconnect the processor-fan cable from the system board. For more information, see "System-board components". 2 Loosen the captive screws that secure the processor fan and heat-sink assembly to the system board. 84

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Removing the processor fan
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.
WARNING: The heat sink may become hot during normal operation.
Allow sufficient time for the heat sink to cool before you touch it.
CAUTION: For maximum cooling of the processor, do not touch the
heat transfer areas on the heat sink. The oils in your skin can reduce
the heat transfer capability of the thermal grease.
Prerequisites
Remove the
computer cover
.
Procedure
1
Disconnect the processor-fan cable from the system board.
For more information, see “
System-board components
”.
2
Loosen the captive screws that secure the processor fan and heat-sink
assembly to the system board.
84