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Old 07-16-2005, 10:07 AM   #1 (permalink)
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Default PSU fan speed

Hi Everybody,
I usuly leave my computer on for many days at a time and when i shut it off is usuly cuz my dad tells me i should. He says this because he hears the fan getting really loud. Seeing as i have no case fans at the moment the only fan to hear is the PSU fan. I agree with him that it does get louder so my question is, does the PSU fan change speeds according to temperature or is there some other reason why it is getting louder?
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Old 07-16-2005, 10:10 AM   #2 (permalink)
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build up of dust maybe!
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Old 07-16-2005, 11:49 AM   #3 (permalink)
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Most PSU fans are temp controlled. As your PSU works harder, so must it's fan to continue to cool it - hench faster rpms and loader noise level. If you hear it get louder during USE it's doing it's job.

But, if you are hearing when the system is idle and no one is using it, your PSU fan is probably loaded with dust and the ball barrings probably need to be cleaned.
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Old 07-16-2005, 06:57 PM   #4 (permalink)
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So i should be able to take the PSU apart to clean it (I know its a dumb question but just checking so i don't end up frying my system or somthing )
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