HP ENVY Maintenance And Service Manual page 54

e. Fans (see
f. System board (see
Remove the heat sink:
1. Following the 1, 2, 3 sequence stamped into the heat sink, remove the three Phillips PM2.0×2.4
screws (1) that secure the heat sink to the system board.
2. Remove the heat sink (2).
NOTE:
the system board components, it may be necessary to move the heat sink from side to side to detach it.
NOTE: The thermal material must be thoroughly cleaned from the surfaces of the heat sink and the system
board each time the heat sink is removed. Replacement thermal material is included with the heat sink and
system board spare part kits. Thermal paste is used on the system board (1) and the section of the heat
sink (2) that services it.
44 Chapter 5 Removal and replacement procedures
Fan on page 37)
System board on page
Due to the adhesive quality of the thermal material located between the heat sink and
39)