Since installing Ubuntu 12.04 on my Dell Inspiron Notebook that came pre-installed with Windows 8 (very unfortunately),

I have been experiencing an increase in the fan's loudness and frequency of running. I have the system load indicator installed, and any time there is a spike (even small spikes) in resource usage, my fan turns on very loudly and continues for about two to five minutes. This happens also sometimes without a spike in resource usage. It happens about every 10 to 20 minutes. As far as I can tell, the temperature of the computer never rises enough to warrant such activity.

I have looked around online and found some advice, but I didn't want to go in and start messing with things right away without someone giving sage advice for my particular problem and laptop. I am a brand new Ubuntu user, and immensely enjoy everything about it thus far, except for the dramatic change in my fan.

How can I fix these issues?

Details about laptop:

  • Inspiron 15 Notebook (Inspiron 3521)[225-3851]

  • Memory: 4GB, DDR3L, 1 DIMM, 1600MHz[370-AAEI]

  • Video Card: Intel® HD Graphics[320-9614]

  • Hard Drive: 500GB 5400 RPM Hard Drive[342-5185]

  • Primary Battery: 4 Cell 40 WHr Battery[312-1395]

  • Processor: 3rd Generation Intel® Core™ i3-3227U processor (3M Cache, 1.9 GHz)[338-BBGF]

  • Can you edit in to your question what type of Inspiron notebook it is? – Richard Nov 18 '13 at 23:48

most of times it could be about your graphic card gets warm and because your graphic card is integrated into your cpu the system thinks that cpu gets warm

install mesa-utils and mesa-utils-extras and reboot
if the problem remains let us know

$ sudo apt-get install mesa-utils mesa-utils-extra  

( for newcomes: the $ before this command is just an indicator that tells this command should be entered in a standard user command shell. if you want to use it just press <ctrl>+<alt>+<t> and copy-paste without this dollar mark )

  • Unable to find mesa-utils-extras. Thanks anyway. – 9a9a9a9a Nov 19 '13 at 15:53
  • I used the mesa-utils alone because it was unable to find the extras. It seemed to work, as the fan is operating normally now. Thank you! – 9a9a9a9a Nov 19 '13 at 20:55
  • Final update: a week later and fan is back to being loud. Problem not resolved. – 9a9a9a9a Nov 24 '13 at 16:04
  • which version of 12.04 you are using?? if you use 12.04.2 or 12.04.3 please downgrade to 12.04.1 or (better) upgrade to 13.04. 13.10 also have some bugs yet and I can't suggest it to install for newcomers. – ARF Nov 28 '13 at 11:22

there are following workaround ,you can try..

  1. Cleaning - Physically clean your laptop from inside , dust might have blocked something that tends to rise CPU temperature.
  2. Kernel - Update you kernel , to check open termianl by pressing trl+Alt+t and write

    uname -r

Currently after update I am using 3.8.0-33-generic.

  1. BIOS - Update your bios in windows , as your new A15 is out for use. thats what worked for me on dell inspiron n5010.
  • Good advice. I followed ARF's commands in his answer and it seemed to work out, but I will also use your suggestions. – 9a9a9a9a Nov 19 '13 at 20:57

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