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I was using Ubuntu 16.04 for a month and the fan was always running at high speed (I am using an Acer Aspire E-14). I updated my system today and the fan is quiet. Is this normal? I expected performance enhancements but I don't know if this is ok. Cheers.

MrDeepCat
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  • If the fan does not run, that would be problematic. If it simply runs quietly, that's fine. Have you tried putting the computer under some stress, ie gaming for a bit, to try to get the fans to an audible level, to ensure they are working? – brndn2k Jul 21 '17 at 20:33
  • Yes, I ran a Matrix computation with multiple threads and it is still quiet. The machine is not hot but the fan seems to be stopped (no noise, no vibrations) – MrDeepCat Jul 21 '17 at 20:50
  • This seems related. It's even the same brand. I'll keep looking https://askubuntu.com/questions/4214/fan-wont-turn-on-how-do-i-turn-it-on-manually – brndn2k Jul 21 '17 at 20:53
  • You might also try this, to ensure that they work https://askubuntu.com/a/249192/647604 – brndn2k Jul 21 '17 at 20:54
  • From https://ubuntuforums.org/showthread.php?t=1696532 for the acer 5515 Acer in its infinite un-wisdom decided to hand over fan control to windows vista "e-power" software. Upon system boot the fan would start up on post then shut down and wait for the os to load and then wait for e-power to start up. On this particular model only Vista has the software to run the fan. So if you install win xp, win 7 or Linux there is no software to control the fan after post. My solution was to open the laptop, cut the red fan wire and solder it to the 5 volt supply of the USB port. – brndn2k Jul 21 '17 at 20:57
  • The temperatures seem to be Ok coretemp-isa-0000 Adapter: ISA adapter Core 0: +41.0°C (high = +90.0°C, crit = +90.0°C) Core 2: +47.0°C (high = +90.0°C, crit = +90.0°C) The pwmconfig says there are no capable modules. The point is that the fan was always on until the software update. – MrDeepCat Jul 21 '17 at 21:05
  • If it's running at a decent temp, hasn't crashed or overheated, and it seems ok, then it seems fine. However, long term overheating can be detrimental to your system, so watch out. – brndn2k Jul 21 '17 at 21:07

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To close the question: when the temperature raises the fan starts to run in a smooth way. Well done Ubuntu with this OS update!

MrDeepCat
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