HP Compaq NW8240 Maintenance And Service Manual page 132

Removal and Replacement Procedures
✎
The following screws should be loosened and installed in the
1, 2, 3, 4 sequence stamped on the heat sink.
4. Loosen the four PM2.0×8.0 shoulder screws 1 that secure
the heat sink to the computer.
✎
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.
5. Lift the right side of the heat sink 2 until it disengages from
the processor.
6. Slide the heat sink 3 to the right and remove it.
Removing the Heat Sink
6–30 Maintenance and Service Guide