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Whenever I log on and I want to change my desktop environment.I click on the button to change my environment.I have many desktop environments almost 10-12.It is arranged in alphabetical order.So U comes towards the end.I want to use Ubuntu desktop environment but I am not able to scroll down the list.Why is this so,can I use Ubuntu now or not?

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mmmmmh, might be a bug. can you supply us a screenshot? – Bruno Pereira Mar 7 '14 at 10:12 – DK Bose Mar 7 '14 at 10:38 – DK Bose Mar 7 '14 at 11:11
How can I add a snapshot here? – saisanjeev Mar 9 '14 at 4:32

This is a workaround and not final solution:

  • Log into an available desktop environment
  • Open a file manager
  • Go to /usr/share/xsessions
  • Look for the desktop environment you want to always have visible
  • Use right-click and open that entry with a GUI text editor just to see what the real name of that entry is and not for editing. The name should be <something>.desktop and should be visible in the title bar of the editor window.
  • Then, open a terminal and run sudo nano <something>.desktop which you got from previous step.
  • Look at the line beginning with Name=; this is mostly second line. For example, you may see Name=Xubuntu Session
  • Modify that to Name=AAA-Xubuntu Session.
  • Save your changes and log out.
  • Now, the very first entry in your choice of desktop environments will be AAA-Xubuntu Session.

Of course, this is not a final solution but just one way to let you rearrange the list :)

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