Lenovo 21FA Hardware Maintenance Manual page 81

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Removal steps of the thermal fan assembly (for models with discrete GPU)
When installing:
• Ensure that the connectors are attached firmly.
• Do not press the top of the fan cover and the fan hub.
• Before you attach the fan assembly to the computer, apply thermal grease, at an amount of 0.2 grams, on
the parts marked
a
and
of grease can cause a thermal problem due to imperfect contact with a component.
For models with an integrated thermal pipe:
For models with discrete thermal pipes:
b
as shown in the following illustrations. Either too much or too less application
.
Chapter 9
Removing or replacing a FRU
75

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