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I can't get past the login screen via GUI. After I enter the password, it takes me back to the same screen in 2 seconds. I don't see my usual background/wallpaper, just the stock purple screen. Things I've tried:

  • I CAN log in via command line (ALT+CTL+F3)
  • Tried replacing .Xauthority file and running chown on it
  • /tmp has correct properties (drwxrwxrwt)
  • checked .xsession-errors file, nothing obvious there (though it's possible I missed something)
  • tried purging sources.list file
  • reinstalled lightdm multiple times
  • installed Ubuntu-desktop several times
  • reinstalled Unity and ubuntu-gnome-desktop
  • I AM able to create additional users but I am NOT able to get past the login screen regardless of who the user is.

I'm out of ideas, short of doing a clean install of Ubuntu. Please help?

EDIT: this is not a new system install question. I've been using Ubuntu for over a year without problems. I did a normal set of apt-get update upgrade and dist-upgrade over the weekend and now I can't login for some reason.

lemontree
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1 Answers1

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It's a temporary answer:

The problem I was experiencing is after recent upgrade, instantly past login I was logged in and then redirected back to login screen.

I've used this: Is there any way to roll back the most recent upgrade? to roll back most recent upgrade. I've rolled back unity, it didn't help, then I rolled back nvidia-304 and it helped.

Edit: After update I was struck again with the same problem and found a simpler solution here in comments http://www.linuxslaves.com/2016/05/3-ways-fix-ubuntu-gets-stuck-login-loop.html

I will past the relevant part of the comment by Foxjt:

The general consensus seemed to rotate around problems with the video drivers, so:

sudo ubuntu-drivers devices

This shows the required drivers for my Video card (nVidia G96 GeForce 9400 GT) as nvidia-340.

I ran:

sudo apt-get install nvidia-340

The messages showed that nvidia-304 was being removed and replaced with nvidia-340.

After a reboot, I was able to finally login!!! Hooray!!!

Community
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Sergio
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