Lenovo G485 Notebook - Manual (Page 81)

Lenovo G480/G485/G580/G585/G780
77
Lenovo G480/G485/G580/G585
Lenovo G780
When installing: Before you attach the fan assembly to the computer, apply
thermal grease, at an amount of 0.2 grams, to the
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.
b
a
a