Dell OptiPlex 7071 Tower Tower Service Manual - Page 49

Removing the processor fan and 65 W heat-sink assembly, Installing the processor fan and 65 W heat-

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Removing the processor fan and 65 W heat-sink assembly Prerequisites 1. Follow the procedure in Before working inside your computer. 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. 2. Remove the left-side cover. About this task The following images indicate the location of the processor fan and 65 W heat-sink assembly and provides a visual representation of the removal procedure. Steps 1. Disconnect the processor-fan cable from the system board. 2. Loosen the four 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. Installing the processor fan and 65 W heat-sink assembly Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure. Disassembly and reassembly 49

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Removing the processor fan and 65 W heat-sink assembly
Prerequisites
1.
Follow the procedure in
Before working inside your computer
.
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.
2.
Remove the
left-side cover
.
About this task
The following images indicate the location of the processor fan and 65 W heat-sink assembly and provides a visual representation of the
removal procedure.
Steps
1.
Disconnect the processor-fan cable from the system board.
2.
Loosen the four 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.
Installing the processor fan and 65 W heat-sink assembly
Prerequisites
If you are replacing a component, remove the existing component before performing the installation procedure.
Disassembly and reassembly
49