How to fix LightDM login screen not working on Linux?

You can use your distribution’s package manager to install the greeter. Then enable the systemd service for lightdm, just in case. If all goes well, this error should go away and you should get your login screen back. If above steps did not work, you might want to go over the following troubleshooting options as well.

Why does my computer stall when I login to LightDM?

More likely it is caused by incorrect package updates or removing certain lightdm related packages or incorrect configurations of lightdm. The display manager enables the login screen by communicating with X11 server and by failing to do so, the system stalls at the prompt and sometimes with a black screen.

What is the LightDM error and why does it appear?

When you expect something to come up on the screen and suddenly face this particular error. It is horrifying because you are lost in a terminal and not sure what to do. Why this error? This error comes from the lightdm package which is a popular Linux system display manager.

How to fix LightDM home folder is too full?

Switching into a console from the LightDM login screen (Ctrl-Alt-F1), logging in with administrative username and password, and entering the following commands resolved the issue: My home folder was full :- ( df -h will give you this answer I had to connect through ssh made some space and worked like a flower

Why do I get a terminal error when trying to display?

It is horrifying because you are lost in a terminal and not sure what to do. Why this error? This error comes from the lightdm package which is a popular Linux system display manager. It is likely caused by any action that you may have taken before this error.

How do I fix the LightDM error in Arch Linux?

You can reinstall in Arch Linux just using pacman -S xorg . Sometimes the lightdm-gtk-greeter-settings package misconfiguration causes this error. So reinstalling lightdm-gtk-greeter-settings can help as well. It always poses no harm to check whether you have the lightdm service enabled via systemd.