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 component (2).
Reverse this procedure to install the heat sink.
System board
To remove the system board, use these procedures and illustrations.
44 Chapter 5   Removal and replacement procedures for authorized service provider parts