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I recently upgraded to 12.04 from 11.10 and since upgrading have been unable to log in to my user profile. The upgrade went okay and I can login to a guest session fine but whenever I try to login to my profile, after entering my password, I just return to the login screen. I've changed my password in Root (passwd <username>) and can log in to tty1 with no issues, it's just in GUI I'm having problems.

I'm using a HP dv7 laptop, 32-bit Ubuntu install, Intel® Core™2 Duo CPU P7350 @ 2.00GHz × 2, Nvidia graphics.

Any help would be appreciated.

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Try these solutions:

From your cli remove the .Xauthority file. Some people have reported that they also needed to remove the .xsession-errors files.

sudo rm .Xauthority
sudo rm .xsession-errors*

Finally some people have reported that ownership and permissions on their home folders were set incorrect. Not sure if this will help but it's worth checking:

ls -l /home

you may have to give ownership back to your account using chown

sudo chown -R username:group /home/username
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These are all valid questions from the other thread, you haven't answered them yet.

  • Switch to the text console [Ctrl][Alt][F1]
  • Login with your username / password
  • Check for errors, write them down word for word. Did you enter your home directory?
  • Check the output for ls -l /home. Does it say drwx at the start of the line, notice especially the w?
  • Check for nearly full filesystems df -h
  • Type exit
  • Switch to the graphics console [Ctrl][Alt][F7]
  • If you had any errors on the text console, add them to your question.
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To throw another idea in here. None of the above helped me, so I installed a new display manager (gdm3, lightdm, etc.).

Edit: Not sure why all the down-votes. I know it's not the best solution, but it may work for some. If you're going to down-vote, at least leave me a comment.

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