4. (GeForce GTX 1660Ti and RTX graphics cards) 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), (3), (5) and on the heat sink areas (2), (4), 
(6) that service them.
Component replacement procedures 43