stuck in login ubuntu 14.04 after trying everything - Ask Ubuntu


i can't past login screen via gui. after enter password, takes me same screen in 2 seconds. don't see usual background/wallpaper, stock purple screen. things i've tried:

  • i can log in via command line (alt+ctl+f3)
  • tried replacing .xauthority file , running chown on it
  • /tmp has correct properties (drwxrwxrwt)
  • checked .xsession-errors file, nothing obvious there (though it's possible missed something)
  • tried purging sources.list file
  • reinstalled lightdm multiple times
  • installed ubuntu-desktop several times
  • reinstalled unity , ubuntu-gnome-desktop
  • i able create additional users not able past login screen regardless of user is.

i'm out of ideas, short of doing clean install of ubuntu. please help?

edit: not new system install question. i've been using ubuntu on year without problems. did normal set of apt-get update upgrade , dist-upgrade on weekend , can't login reason.

it's temporary answer:

the problem experiencing after recent upgrade, instantly past login logged in , redirected login screen.

i've used this: is there way roll recent upgrade? roll recent upgrade. i've rolled unity, didn't help, rolled nvidia-304 , helped.

edit: after update struck again same problem , found simpler solution here in comments http://www.linuxslaves.com/2016/05/3-ways-fix-ubuntu-gets-stuck-login-loop.html

i past relevant part of comment foxjt:

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

sudo ubuntu-drivers devices

this shows required drivers video card (nvidia g96 geforce 9400 gt) nvidia-340.

i ran:

sudo apt-get install nvidia-340

the messages showed nvidia-304 being removed , replaced nvidia-340.

after reboot, able login!!! hooray!!!


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