c.
Thoroughly clean the thermal material from the surfaces of the heat sink and the system board
components each time the heat sink is removed. Replacement thermal material is included with
the heat sink and system board spare part kits. The following illustration shows the replacement
thermal material locations.
Thermal material is used on the system board component (1) and on the heat sink area (2) that
services it.
2.
To remove the heat sink on models with discrete graphics memory:
a.
In the order indicated on the heat sink, loosen the six captive Phillips screws (1) that secure the
heat sink to the computer.
b.
Remove the heat sink from the computer (2).
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Chapter 6 Removal and replacement procedures for authorized service provider parts