HP ENVY dv4t-5300 HP Envy dv4 Notebook PC Maintenance and Service Guide - Page 70
Thermal paste is used on the processor, model equipped with a graphics subsystem with discrete memory.
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9. Remove the fan/heat sink assembly (4). NOTE: Due to the adhesive quality of the thermal material located between the fan/heat sink assembly and system board components, it may be necessary to move the fan/heat sink assembly from side to side to detach it. NOTE: The thermal material must be thoroughly cleaned from the surfaces of the fan/heat sink 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, processor, and system board spare part kits. NOTE: The following illustration shows the replacement thermal material locations on a computer model equipped with a graphics subsystem with discrete memory. ● Thermal paste is used on the processor (1) and the fan/heat sink assembly section (2) that services it ● Thermal paste is used on the graphics subsystem chip (3) and the fan/heat sink assembly section (4) that services it 62 Chapter 4 Removal and replacement procedures