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 paste is used on the system board components (1) and on the heat sink areas (2) that service 
them.
44 Chapter 5Removal and replacement procedures for authorized service provider parts