HP Pavilion x360 m3 Maintenance And Service Manual page 65

NOTE: The thermal material must be thoroughly cleaned from the surfaces of the fan/heat sink assembly
and the system board each time the fan/heat sink assembly is removed. Thermal paste is used on
the processor (1) and the fan/heat sink assembly section (2) that services it.
Reverse this procedure to install the fan/heat sink assembly.
Component replacement procedures 57