Dell Inspiron 660 Owners Manual - Page 71
Replacing the Processor Fan and, Heat-Sink Assembly
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Replacing the Processor Fan and Heat-Sink Assembly Procedure 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 CAUTION: Incorrect alignment of the processor fan and heat-sink assembly can damage the system board and processor NOTE: The original thermal grease can be reused if the original processor and processor fan and heat-sink assembly are reinstalled together. If either the processor or the processor fan and heat-sink assembly is replaced, use the thermal grease provided in the kit to ensure that thermal conductivity is achieved. 1 Apply new thermal grease to the top of the processor. 2 Place the processor fan and heat-sink assembly over the processor. 3 Align the captive screws on the processor fan and heat-sink assembly with the screw holes on the system board. 4 Tighten the captive screws that secure the processor fan and heat-sink assembly to the system board. 5 Connect the processor fan cable to the system board connector (FANCPU). See "System Board Components" on page 14. Postrequisites 1 Replace the computer cover. See "Replacing the Computer Cover" on page 19. 2 Follow the instructions in "After Working Inside Your Computer" on page 11. Processor Fan and Heat-Sink Assembly 71