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I installed xubuntu, then uninstalled it completely, but I am not getting my original log-in screen back. It's a simple log-in screen with the computer's icon, user name, password and session details in front of the default 12.10 background in a small log in window in the center. I want the original log in screen. (dotted wallpaper with changing background as you change the user)

Do I have to install Ubuntu again to get the log-in screen back?

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How did you installed/uninstalled Xubuntu? –  Lucio Feb 1 '13 at 23:39
    
synaptic package manager to install,purge command to remove it.. –  jd529 Feb 2 '13 at 16:08
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2 Answers 2

You need to open a terminal and then copy / paste the following:

sudo dpkg-reconfigure lightdm unity-greeter

and select lightdm as your display manager if prompted.

Also run the following to remove the greeter you don't want:

sudo apt-get remove lightdm-gtk-greeter

Updated: Now run

gksu gedit /etc/lightdm/lightdm.conf

and make sure the file looks like this: enter image description here

Please let me know if this works for you or not.

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led me to : " system running on low graphics mode "...fixed that....still getting the same log in screen... –  jd529 Feb 2 '13 at 15:44
    
and yes...i used synaptic package manager. –  jd529 Feb 2 '13 at 15:44
    
@jd529 I have updated the answer again, could you try editing lightdm.conf as I describe above and let be know if it works? –  Mark Paskal Feb 3 '13 at 0:32
    
thanx for the answer man but trying to fix it,i tried one too many things i guess,ended up stucked on spalsh screen.by then it was just too much of headache.so i just re-installed it. –  jd529 Feb 4 '13 at 20:42
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Try sudo apt-get --purge -remove xubuntu-

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Welcome to Ask Ubuntu! Unfortunately that's not going to work, for several reasons. The command has multiple syntax errors. There's no -remove flag with just one leading -. You can use the remove action (by dropping the -). However, the way this command is written, it will not remove anything, because xubuntu- will not be automatically expanded into anything else. sudo apt-get --purge remove xubuntu-\* may do what you're thinking. But there's another problem--the OP already said they completely uninstalled Xubuntu. Even with corrections this wouldn't really answer the question. –  Eliah Kagan Feb 2 '13 at 7:20
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Also, most Xubuntu packages don't start with xubuntu-, and removing the few that do (like xubuntu-desktop) will not, by itself, remove the others. –  Eliah Kagan Feb 2 '13 at 7:21
    
>Bryce McNab: i already used the 'purge' command to remove xubuntu... –  jd529 Feb 2 '13 at 15:47
    
purge command on what. "xubuntu-desktop"? this is only a meta-package –  Mateo Feb 3 '13 at 3:13
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