Ubuntu – Login screen won’t accept the password

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.

Best Answer

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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Ubuntu – User password rejected on login screen but accepted on text console login

Try resetting your account's password from the command prompt. If you are able to gain root access, just use CTRL-ALT-F2 to access the terminal and login as root. If you are unable to gain root access, reboot and select the recovery mode option in grub, then select the option to drop to the root shell prompt.

Once you have the root command prompt, you can change your users password with the following:

# passwd usr

Where usr is replaced with your account name. You should then be prompted to enter the new password for that account. You may want to try changing it to something else entirely, then changing it back. After that, reboot and try logging in properly again.

Best Answer

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