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<?xml version="1.0" encoding="utf-8"?>
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<page xmlns="http://projectmallard.org/1.0/" type="topic" style="problem" id="power-suspendfail" xml:lang="te">
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<link type="guide" xref="power#problems"/>
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<link type="guide" xref="hardware-problems-graphics"/>
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<revision pkgversion="3.4.0" date="2012-02-20" status="review"/>
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<desc>Some computer hardware causes problems with suspend or hibernate.</desc>
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<credit type="author">
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<name>గ్నోమ్ పత్రీకరణ పరియోజన</name>
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<email>gnome-doc-list@gnome.org</email>
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<credit type="author">
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<name>Ekaterina Gerasimova</name>
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<email>kittykat3756@gmail.com</email>
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<include xmlns="http://www.w3.org/2001/XInclude" href="legal.xml"/>
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<mal:credit xmlns:mal="http://projectmallard.org/1.0/" type="translator copyright">
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<mal:name>Praveen Illa</mal:name>
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<mal:email>mail2ipn@gmail.com</mal:email>
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<mal:years>2011.</mal:years>
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<title>Why does my computer not turn back on after I suspended it?</title>
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<p>If you <link xref="power-suspend">suspend</link> or <link xref="power-hibernate">hibernate</link> your computer, then try to resume it or
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turn it back on, you may find that it does not work as you expected. This could
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be because suspend and hibernate are not supported properly by your
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<title>My computer is suspended and is not resuming</title>
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<p>If you suspend your computer and then press a key or click the mouse, it
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should wake up and display a screen asking for your password. If this does
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not happen, try pressing the power button (do not hold it in, just press it
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<p>If this still does not help, make sure that your computer's monitor is
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switched on and try pressing a key on the keyboard again.</p>
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<p>As a last resort, turn off the computer by holding-in the power button for
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4-10 seconds, although you will lose any unsaved work by doing this. You
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should then be able to turn on the computer again.</p>
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<p>If this happens every time you suspend your computer, the suspend
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feature may not work with your hardware.</p>
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<note style="warning">
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<p>If your computer loses power and does not have an alternative power
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supply (such as a working battery), it will switch off.</p>
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<section id="hibernate">
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<title>None of my applications/documents are open when I turn on the computer
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<p>If you hibernated your computer and switched it on again, but none of your
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documents or applications are open, it probably failed to hibernate properly.
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Sometimes this happens because of a minor problem, and the computer will be
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able to hibernate properly the next time you do it. It might also happen
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because you had installed a software update which required the computer to be
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restarted; in this case, the computer may have shut down instead of
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<p>It is also possible that the computer is not capable of hibernating
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because the hardware does not support it properly. This might be because of a
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problem with Linux drivers for your hardware, for example. You can test this
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by hibernating again and seeing if it works the second time. If it does not,
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it is probably a problem with drivers on your computer.</p>
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<section id="hardware">
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<title>My wireless connection (or other hardware) does not work when I wake
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up my computer</title>
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<p>If you suspend or hibernate your computer and then resume it again, you
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may find that your internet connection, mouse, or some other device does not
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work properly. This could be because the driver for the device does not
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properly support suspend or hibernate. This is a <link xref="hardware-driver">problem with the driver</link> and not the device
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<p>If the device has a power switch, try turning it off and then on again. In
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most cases, the device will start working again. If it connects via a USB
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cable or similar, unplug the device and then plug it in again and see if it
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<p>If you cannot turn off/unplug the device, or if this does not work, you
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may need to restart your computer for the device to start working again.</p>