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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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<p id="animation">This animation summarizes how to use the Boot Menu key to
start on the USB stick:</p>

<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>

<p>The following instructions explain in details how to use the Boot Menu key
to start on the USB stick:</p>

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<ol>
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<li>
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  <p class="usb upgrade-windows upgrade-linux">Shut down the computer while leaving the USB stick plugged in.</p>
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  <p class="standalone">Shut down the computer and plug the Tails USB.</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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<li>
  <p>If the computer starts on Tails, the Boot Loader appears and Tails
  starts automatically after 4 seconds.</p>

  <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>

  <div class="bug linux expert install-clone upgrade-clone upgrade-tails upgrade-linux">
  <p>If none of the possible Boot Menu keys from the previous technique work or
  if your USB stick is not listed in the Boot Menu, refer to the
  [[troubleshooting instructions about Tails not starting at
  all|doc/first_steps/start/pc#not-at-all]].</p>
  </div>
</li>
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</ol>