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Full speed fans at startup

S3NTI3NT
By S3NTI3NT
in Cooling
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Posted

Hi,

 

Whenever I turn my computer on, my case fans go full speed at startup. The fans are connected to my motherboard which is an Asus P8Z77-V Pro. Is there a way to stop that from happening with BIOS or anything? THanks

 

 

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Not to my knowledge.

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No

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!fY0|_|(4|\|R34[)7#!5PMM37#3(0[)3:1337 70833|\|73R3[)!|\|49!\/34\|/4Y 4|\|[)93741!f3

 

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Don't think so since I don't see any settings in the bios from my experience that fixes this.

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Posted

A lot do. My board does the same. Although for only a few seconds, yours does it until you boot into OS?

Error: 410

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My motherboard does the same. Why does it annoy you? It's only for about 2 seconds isn't it?

EDIT:One way to solve it is to simply not connect them to your motherboard. Get a fan controller.

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Weird thing is even my sentry mix 2 fan controller does it with all my fans on startup also..

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No it's kind of a standart protocol , it prevents dust and helps the fans live longer to my knowlege so it's actually good for the pc.

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I believe every mobo does this on bootup, so nope :p

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it is a voltage POST test.. all modern mobo, sub-systems do this.. run the fans off

a PSU directly and that won't happen. sometimes can be a bit loud..

 

airdeano

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no the fans do that because the motherboard has to get a temperature reading first for the fans to slow down..it takes a few seconds for it to get a reading

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just connect them all to the PSU directly and use 7V adapters ;)

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Does it bug you? It only happens for like 3 seconds lol

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i had the same with my previous PC and i was always like "Welps ok it works" when my PC died the fans didn't start at full speed and that was a signal that something was wrong! 

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As far as i know, the fans spin in reverse to expel dust etc. AFAIK its normally limited to GPU and CPU fans but it may be possible your case fans are doing it too.

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