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I will preface that I am VERY new Ubuntu and linux as a whole.

I have been tinkering with various things in Ubuntu the past couple days namely the apt-get upgrade and apt-get dist-upgrade commands.

Now I understand that these are updating various things that are used in the background and even remove unneeded things (in the case of the dist-upgrade that is) when I upgrade or dist-upgrade whenever I start or restart my laptop lightDM seems to not start. I have no other DMs installed at the moment. What I mean by not start the sound of the computer has finished booting is played (the drum noise), my cursor comes up but is just a blank black screen. I can press ctrl + alt + F1 and stop lightDM and start it again and use the laptop fine but something tells me when I upgrade something is being broken.

Now I am well aware that this Ubuntu release (raring ring tail 13.04) is in beta but shouldn't an "upgrade" improve things? Or am I misunderstanding something all together about those commands. Or have I stumbled upon a bug inside of lightDM and should post my findings somewhere.

If needed I can post the various logs in /var/log/lightdm for further interpretation.

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closed as off topic by Jorge Castro, Nathan Osman, Seth, Basharat Sialvi, Mateo Apr 20 '13 at 23:46

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This is likely a bug in lightdm and should be reported, I don't think the upgrade has anything to do with it. –  Jorge Castro Apr 20 '13 at 15:50
askubuntu.com/questions/5121/how-do-i-report-a-bug has all the info you need. –  Jorge Castro Apr 20 '13 at 15:51

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