Dell Inspiron 620s Service Manual page 19

1 alignment post 2 tab
4 release lever 5 processor 6 processor cover notch
8. Clean the thermal grease from the bottom of the heat-sink.
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.
9. Apply the new thermal grease to the top of the processor.
10. Replace the processor fan and heat-sink assembly (see
CAUTION: Ensure that the processor fan and heat-sink assembly is correctly seated and secure.
11. Replace the computer cover (see
12. Connect your computer and devices to electrical outlets, and turn them on.
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3 processor cover
Replacing the Processor Fan and Heat-Sink
Replacing the Computer Cover).
Assembly).