Ask Ubuntu is a question and answer site for Ubuntu users and developers. Join them; it only takes a minute:

Sign up
Here's how it works:
  1. Anybody can ask a question
  2. Anybody can answer
  3. The best answers are voted up and rise to the top

I have recently installed Ubuntu 12.04 on my old laptop (Acer Aspire 5315 ) and observed that fan is not working properly on Ubuntu. How could I solve this problem?

share|improve this question


What the problem is that its a problem with the version of Bios your using,its a bug which prevents your CPU fan from working and causes your PC to overheat so then your Motherboard shuts the PC down to prevent damage.


The solution is to download the latest Bios Version for your Acer Aspire 5315, theirs only a windows installer for this on the Acer website,Link for Windows Bios

share|improve this answer

This is a well known design problem with the Acer Aspire 5315 preventing the fan to work properly and eventually shutting down the computer to protect from overheating.

Solution comes from here and here. You will have to register an account in order to download the fix.

You'll have to install mempat binary and acer_fancontrol script into /usr/bin.

You have to find out the correct memory address for mmap().

For the 5315 wit 1.5G RAM PATCH_ADDRESS=x5F6BCEAF.

Add acer_fancontrol to /etc/rc.local and restart.


In other cases, a simple bios upgrade worked:

share|improve this answer

I have an Acer Aspire 5750g that's fan wasn't working (at all, whether in Windows, booting up, etc.).

I took off the keyboard (you don't have to take it off all the way) and poked it a bit, and it turned out the fan was jammed up, and by poking it, I was able to un-jam it.

This would only apply to people whose fan never works, not even on startup.

share|improve this answer

simply update the BIOS of laptop by downloading it from acer support center .

share|improve this answer

Your Answer


By posting your answer, you agree to the privacy policy and terms of service.

Not the answer you're looking for? Browse other questions tagged or ask your own question.