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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 | <page xmlns="http://projectmallard.org/1.0/"
type="topic" style="question"
id="power-batterywindows">
<info>
<link type="guide" xref="power#faq"/>
<link type="seealso" xref="power-batteryestimate"/>
<link type="seealso" xref="power-batterylife"/>
<link type="seealso" xref="power-batteryslow"/>
<revision pkgversion="3.4.0" date="2012-02-19" status="review"/>
<revision pkgversion="3.18" date="2015-09-28" status="final"/>
<revision pkgversion="3.20" date="2016-06-15" status="final"/>
<desc>Tweaks from the manufacturer and differing battery life estimates may
be the cause of this problem.</desc>
<credit type="author">
<name>GNOME Documentation Project</name>
<email>gnome-doc-list@gnome.org</email>
</credit>
<credit type="author">
<name>Phil Bull</name>
<email>philbull@gmail.com</email>
</credit>
<credit type="editor">
<name>Michael Hill</name>
<email>mdhillca@gmail.com</email>
</credit>
<include href="legal.xml" xmlns="http://www.w3.org/2001/XInclude"/>
</info>
<title>Why do I have less battery life than I did on Windows/Mac OS?</title>
<p>Some computers appear to have a shorter battery life when running on Linux
than they do when running Windows or Mac OS. One reason for this is that
computer vendors install special software for Windows/Mac OS that optimizes
various hardware/software settings for a given model of computer. These tweaks
are often highly specific, and may not be documented, so including them in
Linux is difficult.</p>
<p>Unfortunately, there is not an easy way of applying these tweaks yourself
without knowing exactly what they are. You may find that using some <link
xref="power-batterylife">power-saving methods</link> helps, though. If your
computer has a <link xref="power-batteryslow">variable-speed processor</link>,
you might find that changing its settings is also useful.</p>
<p>Another possible reason for the discrepancy is that the method of estimating
battery life is different on Windows/Mac OS than on Linux. The actual battery
life could be exactly the same, but the different methods give different
estimates.</p>
</page>
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