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My Toshiba Satellite m505-s4940's fans do not turn on automatically, so it was overheating before I learned how to do it manually by using this keyboard-shortcut:fn+F3

I have to do this every time I use my computer!

I really like the performance of Ubuntu, and I just began to use and love it, but I would like to solve this problem.

Hopefully someone can help me, and sorry about my English. It is not my native language : )

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This has been reported here and here and here (kernel).

There appears to be one workaround:

  1. Boot up
  2. Suspend
  3. Wake it up
  4. ACPI should work (fans should work, the lid should sleep it, etc)

If this doesn't work, I recommend you don't run Ubuntu until it's fixed as letting it overheat is very dangerous to the hardware.

Of course if you can help the kernel devs find a fix for this, the faster you get the fix.

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You can use the toshiba utils Certain Toshiba's laptops to control fan speed.

http://www.buzzard.me.uk/toshiba/index.html

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  • Whilst this may theoretically answer the question, it would be preferable to include the essential parts of the answer here, and provide the link for reference.
    – fossfreedom
    Mar 13, 2012 at 9:29
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got the same problem, this fix solved it completelty http://tuxtweaks.com/2008/08/how-to-control-fan-speeds-in-ubuntu/

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  • 4
    Whilst this may theoretically answer the question, it would be preferable to include the essential parts of the answer here, and provide the link for reference.
    – fossfreedom
    Mar 13, 2012 at 9:30

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