HP Compaq nx6325 Maintenance And Service Manual page 112

Removal and Replacement Procedures
4. Remove the four Phillips PM2.0×6.0 screws 1 that secure
the heat sink to the computer.
5. Lift the right side of the heat sink 2 to disengage it from
the processor.
6. Slide the heat sink 3 to the right to remove it.
✎
Due to the adhesive quality of the thermal paste located
between the heat sink and processor, it may be necessary to
move the heat sink from side to side to detach the heat sink
from the processor.
Removing the Heat Sink
5–22 Maintenance and Service Guide