Table 25. Removal steps of system board, fan assembly, and
Turn the system board over, and then disconnect the fan assembly from the system board.
When installing:
•Before you attach the fan assembly to the computer, apply thermal grease, at an amount of 0.2 grams, on the
part marked 
as in the following figure. Either too much or too less application of grease can cause a thermal problem due to imperfect contact with a component. You need to peel the thin film off from the rubber b .
