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Corsair H100i Fans Not Spinning Up

Tags:
  • Water Cooling
  • Components
  • Noctua
  • Cooling
  • maximus
  • Corsair
  • Asus
  • H100i
Last response: in Components
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December 8, 2013 2:48:25 AM

Hello! I've recently purchased an h100i cooler. I installed it instead of my stock cooler. I did some overclocking and what I noticed is that when I run prime95 or anything similar the fans stay at a very low RPM even though temps are hitting 65 celsius degrees and the CPU is on 100%. I have an ASUS Maximus VI HERO motherboard with a 4770k. Also I have swapped out the stock fans on the h100i to two Noctua NF-F12s. Any thoughts on how to solve this or what is causing it?

Thanks!

More about : corsair h100i fans spinning

December 8, 2013 2:53:37 AM

UPDATE: I installed Corsair Link 2 and set the fans to change speed according to CPU load, it seems to be working until I have Corsair Link 2 open. Once i close the program the fans stay at the speed where they were when I closed it, no matter what I do. Also, I tried setting the fan speed on the mobo but that does not even seem to work. PLZZ HELP!!
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December 8, 2013 2:53:49 AM

That sounds normal to me. Those AIO water coolers are only a little better than high end air coolers, so that sounds like a perfectly reasonable temperature. As for the fans, they're all low rpm fans to keep noise down. What are using to judge low fan rpm?
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a c 150 Ĉ ASUS
December 8, 2013 2:57:35 AM

Hi, the fan connector is 3 pin, right?
Then it might be that it's not controlled by the 4 pin CPU fan connector.
Try connecting it to a chassis fan header on the motherboard and see if still low RPM.
An option might be adding a fan controller.
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December 8, 2013 4:16:40 AM

benjii said:
That sounds normal to me. Those AIO water coolers are only a little better than high end air coolers, so that sounds like a perfectly reasonable temperature. As for the fans, they're all low rpm fans to keep noise down. What are using to judge low fan rpm?


Corsair link 2, SpeedFan. And I can even hear them not spining up. Thanks though!
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December 8, 2013 4:18:32 AM

alexoiu said:
Hi, the fan connector is 3 pin, right?
Then it might be that it's not controlled by the 4 pin CPU fan connector.
Try connecting it to a chassis fan header on the motherboard and see if still low RPM.
An option might be adding a fan controller.


Hi! No, the Noctuas are 4 pin PWM fans, same as the stock and I have seen people use them so they shoudl work. Maybe its normal that they dont spin up only at higher temps?
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a c 150 Ĉ ASUS
December 8, 2013 7:30:53 AM

Try disabling the CPU Q-Fan control in BIOS and see if any change.
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December 8, 2013 1:05:52 PM

alexoiu said:
Try disabling the CPU Q-Fan control in BIOS and see if any change.


I tried but no luck. Thanks though.I have solved the problem by connecting my h100i fans to the mobo's chasis_fan connectors instead of the h100i pump.
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