PC Problems Q&A thread

[Quartz]

DKII said:
My 2+ year old desktop, in the last few months, has gotten really loud. Fan going overdrive all the time, and *really* loud during moderately CPU/GPU intensive tasks like running a virus scan or a 2-3 year old PC game. It does have a small separate video card. I think it might just be really dusty in there or just components are dying or something because it is left running almost all of the time.

 Might be worth blowing it out with a can of compressed air in short blasts through the vents then giving it a few moments before turning back on to allow any condensation to evaporate.