HP Pavilion x360 Convertible PC (model numbers 15-bk100 through 15-bk199 and 15-bk000 through 15-bk099) - Maintenance and Service Guide

4. Remove the fan/heat sink assembly (3).
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 material is used on the processor (1) and the heat sink section (2) that services it. Thermal material
is also used on the graphics subsystem chip (3) and the heat sink section (4) that services it. The following
illustration shows the thermal material locations on a computer model equipped with a graphics subsystem
with discrete memory.
Component replacement procedures 45