Lenovo G475 Notebook - Manual (Page 47)

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Lenovo G470/G475/G570/G575
Figure 7. Removal steps of fan assembly and heat sink assembly (continued)
a
When installing:
Before you attach the fan assembly to the computer, apply thermal grease, •
at an amount of 0.2 grams, to the
a
part shown in the figure above. Either
too much or too less grease application can cause a thermal problem due to
imperfect contact with a component.