title: Ubuntu Server 14.04 install error: can't umount /media
body: <p>I'm trying to install Ubuntu Server 14.04.2 on an old dellcomputer, but as soon as I get past the initial menu, choosing to install Ubuntu Server, I get some console output and everything gets stuck on:</p>
  
  <pre><code>mount: mounting /dev/sda on /media failed: Invalid argument
  umount: can't umount /media: Invalid argument
  mount: mounting /dev/sdb on /media failed: Invalid argument
  umount: can't umount /media: Invalid argument
  </code></pre>
  
  <p>Ubuntu Link: system installation </p>
  
  <p><a href="https://askubuntu.com/questions/598110/ubuntu-server-14-04-2-install-error-cant-umount-media/628695#628695"> Installation Question </a></p>