Lenovo B550 Hardware Maintenance Manual page 46

Lenovo B550 Hardware Maintenance Manual
42
Figure 6. Removal steps of fan assembly and heat sink assembly (continued)
When installing:
• Before you attach the fan assembly to the computer, apply thermal grease,
at an amount of 0.2 grams, to the
too much or too less grease application can cause a thermal problem due to
imperfect contact with a component.
• In models with the discrete graphics chip, there is an additional thermal
rubber whose film to be peeled off.
b
a
b
part shown in the figure above. Either
a