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Loud Fan Noise When Starting Computer

Joshua writes in with a hardware question

Question: I have problems with starting my LS1600 PC and it starts with a really loud fan. Usually the loud fan stops but now it just keeps going. Why is that?

Answer: On many computers the fan spins up much faster during startup and the quiets down in a few seconds or so. If your computer is running hot then the fan may spin faster to try and keep it cool. This may be caused by things such as the environment you are using it in, being really dusty on the inside or if one of the other fans stops working. I would boot up into the BIOS and see if you have a temperature setting that you can watch while the computer is running to see how hot it gets. If the temperature stays at a reasonable level but the fan stays on high then it could be a problem with the fan or the controller for the fan's speed and one or the other may need to be replaced.



 



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