HP Apollo 2000 System Maintenance And Service Manual page 96

5. Clean the old thermal grease from the heatsink with the alcohol swab. Allow the alcohol to evaporate
before continuing.
6. Apply all the grease to the top of the processor in one of the following patterns to ensure even
distribution.
7. Install the heatsink:
a. Position the heatsink on the processor backplate.
b. Tighten one pair of diagonally opposite screws halfway, and then tighten the other pair of screws.
c. Finish the installation by completely tightening the screws in the same sequence.
96 Removal and replacement procedures