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CPU Fan will not increase after 1500 RPM Hyper 212

  • CPUs
  • Fan
Last response: in CPUs
December 22, 2011 5:06:34 AM


I just bought a 955 BE cpu and I have a CM Hyper 212+. I've installed speed fan and everything was working properly until a restart. What's happening is that i can't seem to get my cpu cooler to go more than ~1550 RPM whereas earlier it would max at 2000 RPM. Any ideas? No matter what I do the fan isn't going past that number. I've ran prime95 and even under that much load it is not making any difference. The percentage is set to 100% in speedfan and when I lower it that seems to be working just fine. My CPU is not overclocked and I updated the motherboard firmware to see if that would do anything.


More about : cpu fan increase 1500 rpm hyper 212

a c 186 à CPUs
December 22, 2011 6:17:12 AM

You need to adjust it in bios.