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My laptop is always hot and CPU temp is about 80°C.

I guess one of laptop fans is corrupted and another one spins in high RPM, because I hear the sound of fan speed which it is most of time is high.

How can I find number of fans in my laptop (VAIO F13 HFX, Core i7) and each fan's speed?

I am on fedora 18 , but i had same problem in ubuntu 12.10 and 12.04

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  • What OS are you using?
    – schaiba
    Feb 13, 2013 at 18:55
  • @schaiba i edit the question! Feb 13, 2013 at 18:58
  • I don't believe finding out the speed of the fans will help you. We'd rather find out how to make said fans be quieter. First please look if you have some BIOS settings regarding fan speed and if so, adjust them accordingly. Then, a good cleanup of the laptop wouldn't hurt, seeing that it is already a few years old.
    – schaiba
    Feb 13, 2013 at 19:08
  • 3
    ..which makes me repeat that you should clean your laptop thoroughly.
    – schaiba
    Feb 13, 2013 at 19:29
  • 1
    Even if you only use the laptop on the desk, fans will eventually get dirty.
    – Renan
    Feb 14, 2013 at 1:09

3 Answers 3

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lmsensors should do the trick?

https://wiki.archlinux.org/index.php/Lm_sensors

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  • yes i test the lmsensors but there isn't any info about fan and fanspeed in the resault of sensors command Feb 18, 2013 at 18:49
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Check out the i8kUtils package. It is commonly put into conky (a cool monitoring app that can sit on your desktop.)

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  • thanks ,but I don't want to set up conky! Feb 13, 2013 at 20:39
  • You can still use tools from the i8kUtils package from the command line.
    – Tom
    Feb 13, 2013 at 21:45
  • i searched but although my laptop hasn't pwm-copable sensor modules. Feb 13, 2013 at 22:08
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dmidecode should give you a view into your BIOS from the OS, usually includes fan and cooling data.

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