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<span style="color: #333">Ubuntu 21.10</span> » <a class="trail" href="index.html.en" title="Ubuntu Desktop Guide"><span class="media"><span class="media media-image"><img src="figures/ubuntu-logo.png" height="16" width="16" class="media media-inline" alt="Help"></span></span> Ubuntu Desktop Guide</a> » <a class="trail" href="addremove.html.en" title="Install & remove software">Add/remove software</a> » </div>
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<span style="color: #333">Ubuntu 21.10</span> » <a class="trail" href="index.html.en" title="Ubuntu Desktop Guide"><span class="media"><span class="media media-image"><img src="figures/ubuntu-logo.png" height="16" width="16" class="media media-inline" alt="Help"></span></span> Ubuntu Desktop Guide</a> » <a class="trail" href="hardware.html.en" title="Hardware & drivers">Hardware</a> » <a class="trail" href="disk.html.en" title="Disks & storage">Disks</a> » </div>
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<div class="hgroup pagewide"><h1 class="title"><span class="title">
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<div class="contents pagewide">
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<p class="p">In this context a startup disk is a USB flash drive from which you can startup and <span class="link"><a href="https://www.ubuntu.com/download/desktop/install-ubuntu-desktop" title="https://www.ubuntu.com/download/desktop/install-ubuntu-desktop">install Ubuntu</a></span>.
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The capacity of the USB flash drive must be at least 2 GB.
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Any data on the USB flash drive will be lost when you create the startup disk.</p>
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<p class="p">It's assumed that you have downloaded an Ubuntu ISO image.</p>
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<p class="p">To create a startup disk from an Ubuntu ISO image:</p>
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<div class="steps"><div class="inner"><div class="region"><ol class="steps">
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<li class="steps"><p class="p">
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Open <span class="app">Startup Disk Creator</span> via the <span class="em">Activities</span> search bar.
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If the ISO image is in your <span class="gui">Download</span> folder and there is just one ISO image, <span class="app">Startup Disk Creator</span> will have selected it,
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otherwise select the correct ISO image.
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<li class="steps"><p class="p">
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If your computer has just one USB flash drive, <span class="app">Startup Disk Creator</span> will have selected it, otherwise select the correct drive.
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Click <span class="gui">Make Startup Disk</span>.
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<li class="steps"><p class="p">
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Click <span class="gui">Yes</span> to confirm. The process should take ten minutes or less.
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When the "Installation Complete" window opens click <span class="gui">Quit</span>.
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<div class="title"><h2><span class="title">More Information</span></h2></div>
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<div class="region"><ul>
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<a href="disk.html.en" title="Disks & storage">Disks & storage</a><span class="desc"> — Check on disk space and control how disk space is allocated and used.</span>
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<a href="addremove.html.en" title="Install & remove software">Install & remove software</a><span class="desc"> — Add and remove applications and other software. Handle
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<p>The material in this document is available under a free license, see <a href="../../legal.html">Legal</a> for details.<br>
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For information on contributing see the <a href="https://wiki.ubuntu.com/DocumentationTeam">Ubuntu Documentation Team wiki page</a>.
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To report errors in this documentation, <a href="https://bugs.launchpad.net/ubuntu/+source/ubuntu-docs">file a bug</a>.</p>