Can no longer login on any account

[concor789]

So I've had an odroid C2 running Armbian for the past couple of years without a hitch. Today however, when I try to login to my box either remotely or directly, I'm greeted with a login screen. On this box consists of 4 accounts (all mine) and I've set my primary account to automatically login when booted (never needed a password). Yet still, I'm greeted with the login screen. I try to login under my other accounts using my password, but even then, screen goes black for a second, then back to login screen.

 

I really need some help here. As I said, I've been running Armbian flawlessly up until this point, now all of a sudden I can't even login to any of my accounts?

 

Thanks in advance.