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<include xmlns="http://www.w3.org/2001/XInclude" href="legal.xml"/>
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<p>If your laptop's cooling fan is always running, it could be that the hardware that controls the laptop's cooling system isn't very well supported in Linux. Some laptops need extra software to control their cooling fans efficiently, but this software may not be installed (or available for Linux at all) and so the fans just run at full speed all of the time.</p>