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Recently, my Nvidia video card failed (Hardware Failure) on me. I uninstalled the drivers and updated mesa-utils (after proper Nvidia cleanup) , added linux-generic and tried to login. No matter what i do , i am unable to login via lightdm - my system is bit old with Integrated Intel Graphics.

I also did purge lightdm , deleted its user, cleaned the system. reboot, reinstalled lightdm , checked .Xauthority access etc.

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  • Please clarify what the Nvidia card 'failing' is referring to. Any error messages?
    – David
    Oct 6, 2015 at 14:18

1 Answer 1

Reset to default
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LightDM as of now is buggy and is honestly no longer recommended past 14-04. To fix this boot into Grub recovery mode, ENABLE NETWORKING, Then drop to root shell.

sudo apt-get install gdm && sudo dpkg-reconfigure gdm

Then you can most likely reboot and Ubuntu will boot correctly.

sudo shutdown now -r

Hope this helped. If it did, make sure to vote up and check it so others with this problem can see this.

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  • Thanks. It did allowed me to atleast see the desktop, but other problems arised. so i ditched unity and installed cinnamon with gdm. It is working a ok now.
    – Ali Jibran
    Oct 6, 2015 at 16:11

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