Dell XPS 8930 Service Manual - Page 66

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

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38 Removing the processor fan and heat-sink assembly NOTE: 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. NOTE: 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 1. Remove the right-side cover. 2. Follow the procedure from step 1 to step 2 in "Removing the power-supply unit". Procedure 1. Disconnect the processor-fan cable from the system board. For more information, see "System-board components". 2. In a non-adjacent sequence as indicated in the figure below, loosen the captive screws that secure the processor fan and heat-sink assembly to the system board. 3. Lift the processor fan and heat-sink assembly off the system board. NOTE: The type of heat-sink assembly available in your computer depends on the processor in use. 66 Removing the processor fan and heat-sink assembly

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Removing the processor fan and heat-sink
assembly
NOTE:
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
.
NOTE:
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
1.
Remove the
right-side cover
.
2.
Follow the procedure from step 1 to step 2 in “
Removing the power-supply unit
”.
Procedure
1.
Disconnect the processor-fan cable from the system board.
For more information, see “
System-board components
”.
2.
In a non-adjacent sequence as indicated in the figure below, loosen the captive screws that secure the processor fan and heat-sink
assembly to the system board.
3.
Lift the processor fan and heat-sink assembly off the system board.
NOTE:
The type of heat-sink assembly available in your computer depends on the processor in use.
38
66
Removing the processor fan and heat-sink assembly