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What to do when Ubuntu gets stuck in login loop?
In 12.04 it used to do the same problem you are describing. You can install GDM, an alternative login manager, to get around this: At the login screen, press and hold Ctrl + Alt + F2 to go to the terminal. Don’t be afraid! Just log in here with your username and password.
How to fix Ubuntu LightDM login loop?
1. Switch to tty3 command console using Ctrl + Alt + F3 and log in using your username and password. 2. To uninstall and reinstall Ubuntu lightdm, run the following commands in order: 3. Reboot the system.
Is there a login loop in Ubuntu Linux?
It’s not like Ubuntu is the only game in town like Windows. There are literally hundreds of other Linux distros that one can use that do not have this login problem. If Canonical is not capable or unwilling to fix this, they can keep their distro. Look for “linux login loop” and you’ll realize it’s not just a Ubuntu thing.
What to do when Ubuntu login does not work?
Instead of root, your user and group should own that Xauthority file. You can change the ownership by running the chown command with sudo. That should go off without a hitch, so you’re ready to try logging in again. Press Ctrl + Alt + F7 to return to your normal login screen.
What to do if Ubuntu won’t sign in?
It’s a quick fix, and it works in most cases. Start Ubuntu like you normally would. Let it get all the way to the login screen. When you get there, don’t sign in. Instead, press Ctrl + Alt + F3 on your keyboard. Ubuntu will drop out of the graphical login screen and into a black and white terminal.
Why does Ubuntu keep going back to the same login screen?
When you try to log in to Ubuntu after starting up, you get taken right back around to the same login screen, and the process repeats indefinitely. It might seem like you’re out of luck, but there are a couple of ways to break the loop. The most common cause is a strange permission issue with a file Ubuntu needs to start the graphical desktop.
Why is User Manager stuck before login screen?
[ OK ] Started User Manager for UID 120. Although if memory serves, it stops on different prompts each time I reattempt. EDIT: No, I guess memory doesn’t serve. Seems to always stop on that prompt. The prompts before keep referencing ‘gdm’, like ‘Removed slice User Slice of gdm’.
Where can I find the boot log in Ubuntu?
If you only want to see failed lines, you can make it read: which will show only lines with the word FAILED in them. Note that /var/log/boot.log only shows the log of the startup commands, not the complete boot prior to that point. The log file in question is /var/log/boot.log. This contains in particular the messages you are seeking.
Which is the default login manager in Ubuntu?
You might be having problems with LightDM, the login manager that comes in Ubuntu by default. In 12.04 it used to do the same problem you are describing. You can install GDM, an alternative login manager, to get around this:
What to do when LightDM gets stuck in login loop?
If it doesn’t, go back to the fullscreen terminal (again, Ctrl + Alt + F2) and run sudo dpkg-reconfigure lightdm to set LightDM as you login manager again. Now you know that this is a problem with your graphics drivers for sure.