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After upgrading to 14.04 from 13.10 which worked fine, I cannot get past login as it just loops back. Guest account works fine. Can Ctrl-Alt F1 and use name and password ok there so not sure what is causing problem. Pls help.
Update: Video card is N9500GT
Tried chown username:username .Xauthority but now get only splash screen at login with password. Same thing happens in GDM. Also sudo mv .Xauthority .Xauthority.bak no change. Tried cat ~/.xsession-errors but got message that starts with can't save user-dirs.dirs and then gives more msgs and stops. How to see what is in .xsession-errors file.

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2 Answers 2

Boot using terminal then type:

sudo nano /etc/lightdm/lightdm.conf

remove anything if you wrote codes

How can I save the file? F3 will let you save without exiting. Otherwise, Ctrl + X will prompt you if you've made changes. Press Y when it asks, and Enter to confirm the filename.

you can read more here on how to disable it.

http://itsfoss.com/disable-guest-account-session-ubuntu-1304/

hope that can help :)

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I had the same problem. When i ctrl-alt-f1ed into my account it said that there was an error in the ~/.profile file (i had been messing around in there). Upon fixing the error i was able to login.

Look for any error messages and try to fix them.

Good luck!

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