Lenovo M490s notebook - Manual (Page 61)

Loosen the screws 2 to 7 .
3
5
2 6
7
4
Remove the thermal module assembly.
Attention: Be careful not to damage the connector.
8
When installing: Before you attach the thermal module assembly to the computer, apply thermal grease, at
an amount of 0.2 grams, on the part marked
a and b as shown in the following illustrations. Either too much
or too less application of grease can cause a thermal problem due to imperfect contact with a component.
For models with an integrated thermal module assembly
a
Chapter 8 . Removing or replacing a FRU 55