You are working as a technician at Certkiller .com. You are visiting a user that has complaining
about the loud and noisy fan in his laptop. When you receive on site the user reports that all fan
noise has just recently stopped. Which of the following is MOST likely the problem?

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

B.
The fan has blown a blockage out of the laptop and it is not necessary to do anything more.

C.
The fan has been automatically disabled in the operating system.

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