HP Pavilion 15 Maintenance And Service Manual page 97

7. Remove the heat sink assembly (2).
Thoroughly clean the thermal connections (1) on the system board and the heat sink (2) before
replacing a heat sink onto a system board.
NOTE:
The following illustration shows the replacement thermal material locations on a
computer model equipped with a graphics subsystem with UMA memory. Thermal paste is used
on the processor (1) and the fan/heat sink assembly section (2) that services it.
8.
Reverse this procedure to install the fan/heat sink assembly. Replace the thermal material that
ships with the replacement heat sink.
Component replacement procedures
87