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<h2>Make the computer start on the USB stick</h2>
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<p>This step is the most complicated one as it depends a lot on the
model of the computer:</p>
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<ul>
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<li>On most computers, our basic instructions to get to the Boot Menu
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work fine.</li>
<li>On some computers, you might have to do more advanced techniques,
like editing the BIOS settings.</li>
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<li>On a few computers, it might currently be impossible to start Tails.
But, it is very hard to know without trying.</li>
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</ul>
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<p>The goal is to reach the Boot Loader of Tails. Depending on the
computer, the Boot Loader might be either <em>GRUB</em> or
<em>SYSLINUX</em>.</p>
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<p>This is what <em>GRUB</em> looks like:</p>
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<p>[[!img install/inc/screenshots/grub.png link="no" alt="Black screen ('GNU GRUB') with Tails
logo and 2 options: 'Tails' and 'Tails (Troubleshooting Mode)'."]]</p>

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<p>This is what <em>SYSLINUX</em> looks like:</p>
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<p>[[!img install/inc/screenshots/syslinux.png link="no" alt="Black screen ('SYSLINUX') with Tails
logo and 2 options: 'Tails' and 'Tails (Troubleshooting Mode)'."]]</p>
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<div class="next">
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<p>After you reach the Boot Loader, either <em>GRUB</em> or <em>SYSLINUX</em>, you
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can skip the rest of this section and <a href="#welcome-screen">wait until
the Welcome Screen appears</a>.</p>
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</div>
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<h3 id="boot-menu">Getting to the Boot Menu</h3>
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<p>On most computers, you can press a <em>Boot Menu key</em> to display
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a list of possible devices to start from. The following instructions
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explain how to display the Boot Menu and start on the USB stick. The
following screenshot is an example of a Boot Menu:</p>
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<p>[[!img install/inc/screenshots/boot_menu.png link="no" alt=""]]</p>
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<ol>
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<li>
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  <p class="usb upgrade-windows">Shut down the computer while leaving the USB stick plugged in.</p>
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  <p class="clone upgrade-tails">Shut down the computer.</p>
  <p class="clone">Plug in the other Tails USB stick that you want to
  <span class="install-clone">install</span>
  <span class="upgrade">upgrade</span>
  from.</p>
  <p class="upgrade-tails">Unplug your Tails USB stick while leaving the intermediary USB stick plugged in.</p>
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</li>
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<li>
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  <p>Identify the possible Boot Menu keys for the computer depending on
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  the computer manufacturer in the following list:</p>

  <table>
    <tr><th>Manufacturer</th><th>Key</th></tr>
    <tr><td>Acer</td><td>Esc, F12, F9</td></tr>
    <tr><td>Asus</td><td>Esc, F8</td></tr>
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    <tr><td>Clevo</td><td>F7</td></tr>
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    <tr><td>Dell</td><td>F12</td></tr>
    <tr><td>Fujitsu</td><td>F12, Esc</td></tr>
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    <tr><td>HP</td><td>F9, Esc</td></tr>
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    <tr><td>Lenovo</td><td>F12, Novo, F8, F10</td></tr>
    <tr><td>Samsung</td><td>Esc, F12, F2</td></tr>
    <tr><td>Sony</td><td>F11, Esc, F10</td></tr>
    <tr><td>Toshiba</td><td>F12</td></tr>
    <tr><td>others&hellip;</td><td>F12, Esc</td></tr>
  </table>
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  <div class="tip">
  <p>On many computers, a message is displayed very briefly when switching on
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  that also explains how to get to the Boot Menu or edit the BIOS settings.</p>
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  </div>
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</li>
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<li>
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  <p>Switch on the computer and immediately press several times the first
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  possible Boot Menu key identified in step 2.</p>
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</li>
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<li>
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  <p>If the computer starts on another operating system or returns an
  error message, shut down the computer again and repeat step
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  3 for all the possible Boot Menu keys identified in step 2.</p>
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  <p>If a Boot Menu with a list of devices appears, select your USB stick
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  and press <span class="keycap">Enter</span>.</p>
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  <div class="note">
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  <p>If the Boot Menu key that works on your computer is a different one than
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  the first in the list, please let us know so we can improve the list. You can write to
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  [[sajolida@pimienta.org]] (private email).</p>
  </div>
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</li>
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</ol>
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<p id="animation">This animation explains how to use the Boot Menu key:</p>
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<p>
  <video controls="true" width="640" height="360" poster="https://tails.boum.org/install/inc/videos/boot-menu-key.png">
    <source src="https://tails.boum.org/install/inc/videos/boot-menu-key.webm" type="video/webm" />
    <source src="https://tails.boum.org/install/inc/videos/boot-menu-key.mp4" type="video/mp4" />
  </video>
</p>
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<h3>Check our list of known issues</h3>
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<p>Similar problems might have been reported already for your model of computer
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in our [[list of known issues|support/known_issues]].</p>
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<h3 id="bios-settings">Edit the BIOS settings (advanced users)</h3>
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<p>If none of the possible Boot Menu keys from the previous technique work, or if
the USB stick does not appear in the Boot Menu, you might need to edit your BIOS
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settings. To learn how to edit the BIOS settings, search for the user manual of
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the computer on the support website of the manufacturer.</p>
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<div class="caution">
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<p>Take note of the changes that you apply to the BIOS settings. That way, you
can revert the changes if they prevent the computer from starting on its usual
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operating system.</p>
</div>
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<p>In the BIOS settings, try to apply the following changes. Some changes might not
apply to certain computer models.</p>

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<ul>
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  <li>
   <p>There might be an option in your BIOS to enable the Boot Menu key. Make
   sure that the Boot Menu key is enabled. This option might be called
   <strong>Boot Device List</strong> or differently depending on the
   computer.</p>
  </li>

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  <li>
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Shorten  
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   <p>Edit the <strong>Boot Order</strong>. Depending on the computer, you might
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   see an entry for <strong>removable devices</strong> or <strong>USB media</strong>. Move this entry
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   to the top of the list to force the computer to try to start from
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   the USB stick before starting from the internal hard disk.</p>
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  </li>

  <li>
    <p>Disable <strong>Fast boot</strong>.</p>
  </li>
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  <li>
    <p>Enable <strong>CSM boot</strong>.</p>
  </li>

  <li>
    <p>Enable <strong>Legacy boot</strong> in addition to UEFI.
    The computer might not start anymore on its regular operating system
    if you disable UEFI completely or if you only enable Legacy boot.</p>
  </li>

  <li>
    <p>Try to upgrade the BIOS. To do so, refer to the support website of
    the computer manufacturer.</p></li>
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</ul>
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<div class="bug" id="report">
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<p>If none of these options work, we are sorry but you might not be
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able to use Tails on this computer. Feel free to
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[[!toggle id="report-toggle-2" text="report the problem to our help desk"]].</p>
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</div>
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[[!toggleable id="report-toggle-2" text="""
<span class="hide">[[!toggle id="report-toggle-2" text=""]]</span>
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[[!inline pages="install/inc/steps/reporting.inline" raw="yes"]]
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"""]]