I'm trying to make my thinkpad's fan run on higher speeds because of overheating. I've enabled fan_control in thinkpad-acpi module, at least I think so:

$ cat /sys/module/thinkpad_acpi/parameters/fan_control 

However, it does not seem to respond to changes:

$ echo 'level 7' > /proc/acpi/ibm/fan

No error, but no reaction either. Any advice on how to proceed? Does it mean my Thinkpad does not support fan control?

Note that this question is NOT the same as that one - my fan_control is apparently on, and I do not get any invalid argument error when I'm trying to echo new level.

  • I'm having this issue now as well. Thinkpad t420. Did you end up solving this? – Pwnna Nov 14 '14 at 2:42
  • Unfortunately not. – kar Nov 20 '14 at 12:53

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