HP ENVY 15 Maintenance And Service Manual page 85

NOTE:
assembly and the system board components each time the fan/heat sink assembly is removed.
Replacement thermal material is included with the fan/heat sink assembly and system board
spare part kits. The following illustration shows the replacement thermal material locations.
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The thermal material must be thoroughly cleaned from the surfaces of the fan/heat sink
Thermal paste is used on the processor (1) and the heat sink component (2) that services it
Thermal paste is used on the graphics subsystem chip (3) and the heat sink component (4)
that services it.
Thermal pads are used on the four system board capacitors (5) and the heat sink
components (6) that service them
Component replacement procedures
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