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I am stuck in the Lubuntu login loop where everytime I type my password the screen flashes white and I'm back to login.

I have attempted CTRL ALT FN+F3 to login to the shell but this just sends my screen black. CTRL ALT FN+F7 will get me back to login but I cannot proceed.

Please help me!

Christopher Strom
  • 11

1 Answers1

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If you've been starting graphic applications from the terminal using sudo, that's what probably caused your problem. Always use sudo -H.

  • boot to the GRUB menu
  • choose Advanced Options
  • choose Recovery mode
  • choose Root access

  • at the # prompt, type:

     - sudo mount -o remount,rw / # remount the disk as rw

     - cd /home/your_username # change directory

     - ls -al .*thority* # list some files

You should see something like this...

-rw------- 1 your_username your_username 407910 Nov  2 08:56 .ICEauthority
-rw------- 1 your_username your_username     58 Jun 23  2017 .Xauthority

If it DOES NOT show -rw------- then...

  • sudo chmod 600 .*thority* # change file protection

If it DOES SHOW root root then...

  • sudo chown your_username:your_username .*thority* # change file ownership

  • reboot # reboot the computer

Reboot and see if you can log in.

heynnema
  • 73,649