Notebook fan spinning at max after trying Linux

Posted by Igor Kulman on Super User See other posts from Super User or by Igor Kulman
Published on 2012-09-04T08:32:27Z Indexed on 2012/09/04 9:40 UTC
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Filed under:

Windows

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linux

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fan

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thinkpad

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noise

I have a Thinkpad T420 (4178-BSG) I use with Windows. The fan (cpu) was always very quiet and I was completely satisfied with it. A few days ago I booted Backtrack Linux from a flashdrive and the fan started to spin at maximum and was very loud. The problem is that this state persists. When I start the Thinkpad and boot Windows as usual the fan start spining at max and never stops. It drives me mad. It looks like somehow the Linux change some settings and I have to suffer. I tried reseting BIOS, updating BIOS, nothing helpes. I even removed the keyboard, looked at the fan but there is no dust.

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