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CPU fan extremely loud on boot

#1LootmanPosted 2/12/2014 7:31:45 AM
When I wake up and switch my PC on, it's really loud whilst booting, then around the time explorer launches in windows, it'll go quiet again.

If I reset / power off and back on it isn't loud. It's only loud really once a day.
If I turn off and back on BEFORE it boots into windows, it's still loud. So something in windows quiets/slows it down again.

It sounds like the fan is spinning really fast. I went into the BIOS and there's no fan controller, just a minimum (set to 200 RPM) and a number that showed the RPM, it was on 2000 when I looked, then it went higher and higher, I exited the bios when it was on 2500 RPM.
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#2Lootman(Topic Creator)Posted 2/12/2014 7:35:45 AM
Asus motherboard with A10-6800k
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#3Killah PriestPosted 2/12/2014 7:36:33 AM
did you use the supplied program to create a fan profile?

its part of AI Suite.
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#4Lootman(Topic Creator)Posted 2/12/2014 7:58:08 AM
Killah Priest posted...
did you use the supplied program to create a fan profile?

its part of AI Suite.


How do I make a fan profile o.o I have looked through all the bios options and dont remember anything except the minimum fan limit
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#5ClouddxPosted 2/12/2014 8:01:52 AM
I know some GPU fans will go up to 100% on start-up for some reason or another, it may be completely normal.
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#6Lootman(Topic Creator)Posted 2/12/2014 8:03:22 AM
this didn't happen until last week though o.o
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#7ClouddxPosted 2/12/2014 8:06:34 AM
Lootman posted...
this didn't happen until last week though o.o


Well, have you tried dusting out the CPU cooler?
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#8JockoPosted 2/12/2014 11:35:41 AM
Clouddx posted...
Lootman posted...
this didn't happen until last week though o.o


Well, have you tried dusting out the CPU cooler?

I would say that this would be a solution if the CPU fan started out slow but then went faster due to overheating issues.

I've had a computer in the past that did this and I had a 4870 gpu do this at boot up. My guess is that it's a calibration test to make sure the fan can reach 100%. However I have no idea why it would start doing this routinely out of the blue. Sounds like some sort of update may have something to do with it.
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#9PhilOnDezPosted 2/12/2014 11:45:13 AM
My laptop does this sometimes, usually after heavy use and then immediately putting it to sleep. I'd assumed that when it started to boot it still had the temp reading from before I put it to sleep and that the reading wasn't updated until I was back into windows.
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#10StormKMDPosted 2/12/2014 11:54:06 AM
My stock cooler did this everytime I booted, I figured it was normal. The temps read fine, everything was good. Of course, my cpu's an i5, so it could be totally different. And the fact that it only happened a week ago...might be dust. Or heat.
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