5. (GeForce GTX 1650Ti 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.
Reverse this procedure to install the heat sink.
Fans
To remove the fans, use this procedure and illustration.
Table
6-6 Fan description and part number
Description Spare part number
Fan assembly for use in models with GeForce GTX 1660Ti and RTX graphics cards L98737-001
Fan assembly for use in models with GeForce GTX 1650Ti graphics cards L98738-001
Before removing the fans, follow these steps:
1. Prepare the computer for disassembly (Preparation for disassembly on page 31).
2. Remove the bottom cover (Bottom cover on page 31).
3. Remove the solid-state drives (Solid-state drive on page 32).
4. Remove the battery (see Battery on page 37).
5. Remove the heat sink (see Heat sink on page 41).
Remove the fans:
44 Chapter 6 Removal and replacement procedures for authorized service provider parts
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