You received a report from a user that stated that his laptop cooling fan was making a noise, but
also that the noise stopped later. What could be causing this situation?

A.
Nothing, a fan on a laptop is usually loud when it is powered up, but fades afterward.

B.
There must have been a blockage that caused the noise, but it was blown out by the fan hence
the silence afterwards.

C.
The laptop fan is disabled in the operating system.

D.
The fan stopped and the laptop should be services before heat damage sets in.