Will this decrease the boot voltage?

Ozzy24 · Sep 17, 2013

Hey guys, so my exhaust fan is making this loud buzzing sound on boot and startup ONLY and quietens down after a few seconds in windows, it doesn't make any noise when I'm gaming or doing anything else, just during boot. Anyway, I went to a pc shop looking for another fan and the guy there tells me it could be due to too much voltage going to the fan during boot and thats why it makes that sound during boot only. He said I need to disable a vm setting or something in my advanced bios and that would sort it out, can anyone elaborate on this?

Shaun o · Sep 17, 2013

No,
When your board first boots it always spins the fans at full speed.
It checks them to see if they are rotating, working.

Then depending on the speed set in the bios it slows the fan rpm.

All boards do it.
The only time to be worried is if you here beeping, get a message the fan speed is to low.
Or when you are in windows you get a buzzing noise from your fan.

There is a setting in the bios to set the fan speed of the cpu cooler.
Or it is managed by cool and quite for example with an Amd cpu and motherboard.

Ozzy24 · Sep 17, 2013

Shaun o :

Thanks I also suspected that it makes a noise when spinning at 100% and then tapers off because it has slowed down. Tell me, do I need a replacement fan? I'm sure this fan is not suppose to buzz like that on startup (previously it didn't).

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Will this decrease the boot voltage?

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Ozzy24

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