2. Remove the heat sink from the computer (2).
3. 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 heat sink (1) and associated system board components (2).
4. UMA models: In the order indicated on the heat sink, loosen the six captive Phillips screws (1) that
secure the heat sink to the computer.
44 Chapter 5 Removal and replacement procedures for authorized service provider parts
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