When a Certkiller .com user’s laptop is switched on the cooling fan is making a terrible noise. After
five minutes the fan noise stops. What do you think is the problem?

A.
The fan is typically louder when powering up but then should not be heard at all.

B.
The fan is faulty and has blown a blockage and it is not necessary to do anything more.

C.
The fan is switched on and off automatically as the laptop warms up.

D.
The fan has stopped completely and the laptop should be serviced before there is heat
damage.

Explanation:
If it wasn’t for the terrible noise made by the fan before stopping C would have been the correct
answer.