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I installed Ubuntu x64 12.04 Desktop LTS on my new laptop three days ago.

Of course when I installed it I did an "apt-get upgrade" and a "apt-get update". I modified the .bashrc file to add some aliases but that's about it.

Everything went fine I think, but this morning when I tried to connect to my user account, it just simply didn't work.

Even when I give the right password, it will send me to a black screen with a few text lines written in white for a second and then back to the log-in screen.

When I logged into the guest session, I couldn't shutdown / restart.

I tried the "rm /home/MyUsername/.Xauthority" solution after doing a Ctrl + Alt + F1 at the log-in screen. But that didn't work.

Does anyone has an idea ? My Ubuntu seems to use Gnome.

Thank you a lot in advance !

This question is similar to this one, but their solution didn't help : --> after 12.04 upgrade: can't log in although password is correct

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Awake Zoldiek
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2 Answers2

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I had the same problem, and as you said, solved it by commenting out some lines from the ~/.profile

More specifically, I had just passed some quite short aliases from my ~/.bashrc to my ~/.profile: not a good idea there, must have conflicted with some other important command.

In order to edit ~/.profile, since you cannot login in the shell, use a tty:

  • hit Ctrl + Alt + F2 directly on the login screen to go to tty2
  • login with your normal login/password (don't use the numpad, numlock may not be what you think)
  • vim ~/.profile
  • comment out and save
  • hit Ctrl + Alt + F7 to come back to the shell

And try to login again.

Ciro Santilli OurBigBook.com
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PS: I had this problem and tried all suggested solutions, reinstalling lightdm, reconfiguring lightdm, resetting owner of the home directory, removing Xauthority but it all didn't help... In the end the solution was quite simple, the reason I was only able to log in with the guest account was that there isn't a home folder for this account and I had a separate partition for /home. This partition was simply full (the reason it filled up several gigs all at once is a whole different story...), after deleting unnecessary files I was able to log in again...

chris
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