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I have a laptop,

Model: Compaq Presario CQ40, RAM: 2.7 GB RAM, Processor: AMD Athlon X2 Dual Core QL - 64*2, Ubuntu 12.04.3 LTS 64 bit and Windows Vista 32 bit (Factory Installed)

My laptop gets heated up a lot when I am using Ubuntu and the fan runs continuously (I have not chosen "Continuously On" mode for the fan in BIOS settings) . I am using Jupiter with Power Saving mode as of now, and the heat has reduced a bit. Also I am using Ubuntu2D instead of the default option while logging in.

The temperature is 65+ degrees C when I am not doing much on my machine and gradually increases to 75+ when doing several things at once. I intend to use CDH Hadoop in Pseudo Distributed mode on my machine. I can guess what the temperature will shoot up to then because it uses JVMs. What are the possible things I can do to reduce heat and the fan noise?


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I had once AMD processor and I had the same problem.. I think this is the issue. – Vlad Tarniceru Oct 19 '13 at 10:56
up vote 1 down vote accepted

Power management in general is not as good as Linux as it is on Windows in my experience. However, here are some things you can try:

Even after all this, my laptop runs slightly warmer than on Windows, and battery life is not as good. However, it's not that bad, certainly usable. Your mileage may vary.

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Note that I am not familiar with AMD hybrid graphics, so I just gave the first link I could find (Arch wiki). If you determine you have hybrid graphics, you might want to try finding something more specific to Ubuntu, e.g. – Rohan Dhruva Oct 19 '13 at 18:31

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