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  Cpu Fan Speed dosen't change due to cpu work 
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Deniz koknel Jan 27, 2015, 12:45pm EST Reply - Quote - Report Abuse
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I changed my power sup, afther that when i try to play game my system restarts afther a few min.I thought it must be about cpu fan becasue normally it has to make more noise while in game. So i enter bios (its phoenix award) and disable "smart fan control" option than the fans run at full speed and i am able to play games without a problem, but it makes too much noise and i afraid of burrning fans motor. afther that i try to use "speedfan" but it is not able to control fan speed.

i controlled my fans cables and there are four cables connecting to mother from cpu fan.Beside them my hdd light is more active than before i change power suppley.

what should i do to run my fan normal? Do you have any idea? Thank you.

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john albrich Jan 29, 2015, 10:19am EST Reply - Quote - Report Abuse
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>> Re: Cpu Fan Speed dosen't change due to cpu work
There may be an advanced section in BIOS/UEFI that ALSO controls fan speeds. The advanced section (if it exists) often lets one set the lower and upper fan RPM limits, and/or the temps at which fan RPMs increase/decrease, and/or manually set fan RPM to a fixed percentage of maximum RPM (e.g. 50% of 4000RPM = 2000RPM)

You can also try a freeware and Open Source program like Open Hardware Monitor which provides an somewhat less complicated (but less flexible/powerful) fan control interface than speedfan. Keep in mind that BIOS/UEFI settings may interfere with other fan control programs and you may have to experiment with those settings to let the programs (like speedfan, OHM, etc) gain fan RPM control.

Open Source website with lots of details

Alternate download/info website

(note: 0.7.1 Beta (dec2014) is latest available version. The version I've been using successfully is 0.6 beta. Has worked fine on several AMD AM3+ CPU motherboards)

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