/usr/share/help/da/gnome-help/power-batterylife.page is in gnome-user-docs-da 3.28.1-0ubuntu1.
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<page xmlns="http://projectmallard.org/1.0/" xmlns:its="http://www.w3.org/2005/11/its" type="topic" style="tip" id="power-batterylife" xml:lang="da">
<info>
<link type="guide" xref="power"/>
<link type="seealso" xref="power-suspend"/>
<link type="seealso" xref="shell-exit#suspend"/>
<link type="seealso" xref="shell-exit#shutdown"/>
<link type="seealso" xref="display-brightness"/>
<link type="seealso" xref="power-whydim"/>
<revision pkgversion="3.7.1" version="0.2" date="2012-11-16" status="outdated"/>
<revision pkgversion="3.10" date="2013-11-07" status="review"/>
<revision pkgversion="3.18" date="2015-09-28" status="final"/>
<revision pkgversion="3.20" date="2016-06-15" status="final"/>
<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>Ekaterina Gerasimova</name>
<email>kittykat3756@gmail.com</email>
</credit>
<credit type="editor">
<name>Michael Hill</name>
<email>mdhillca@gmail.com</email>
</credit>
<include xmlns="http://www.w3.org/2001/XInclude" href="legal.xml"/>
<desc>Tips to reduce the power consumption of your computer.</desc>
</info>
<title>Use less power and improve battery life</title>
<p>Computers can use a lot of power. By using some simple energy-saving
strategies, you can reduce your energy bill and help the environment.</p>
<section id="general">
<title>Generelle tips</title>
<list>
<item>
<p><link xref="shell-exit#suspend">Suspend your computer</link> when you
are not using it. This significantly reduces the amount of power it uses,
and it can be woken up very quickly.</p>
</item>
<item>
<p><link xref="shell-exit#shutdown">Turn off</link> the computer when you
will not be using it for longer periods. Some people worry that turning off
a computer regularly may cause it to wear out faster, but this is not the
case.</p>
</item>
<item>
<p>Use the <gui>Power</gui> panel in <app>Settings</app> to change your
power settings. There are a number of options that will help to save power:
you can <link xref="display-blank">automatically blank the screen</link>
after a certain time, reduce the <link xref="display-brightness">screen
brightness</link>, and have the computer
<link xref="power-autosuspend">automatically suspend</link> if you have not
used it for a certain period of time.</p>
</item>
<item>
<p>Turn off any external devices (like printers and scanners) when you are
not using them.</p>
</item>
</list>
</section>
<section id="laptop">
<title>Laptops, netbooks, and other devices with batteries</title>
<list>
<item>
<p>Reduce the <link xref="display-brightness">screen
brightness</link>. Powering the screen accounts for a significant fraction
of a laptop power consumption.</p>
<p>Most laptops have buttons on the keyboard (or a keyboard shortcut) that
you can use to reduce the brightness.</p>
</item>
<item>
<p>If you do not need an Internet connection for a little while, turn off
the wireless or Bluetooth cards. These devices work by broadcasting radio
waves, which takes quite a bit of power.</p>
<p>Some computers have a physical switch that can be used to turn it off,
whereas others have a keyboard shortcut that you can use instead. You can
turn it on again when you need it.</p>
</item>
</list>
</section>
<section id="advanced">
<title>More advanced tips</title>
<list>
<item>
<p>Reduce the number of tasks that are running in the background.
Computers use more power when they have more work to do.</p>
<p>Most of your running applications do very little when you are not
actively using them. However, applications that frequently grab data from
the internet or play music or movies can impact your power consumption.</p>
</item>
</list>
</section>
</page>
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