System Board - HP EliteBook 645 G9 Maintenance And Service Manual

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.
Component replacement procedures 57