I tested again. THis time I got the login screen and logged in then the screen got distorted as the display manager would not work correctly. I did "journalctl -b 0" and found also a crash file in var/crash/... I attach both files here.
I tested again. THis time I got the login screen and logged in then the screen got distorted as the display manager would not work correctly. I did "journalctl -b 0" and found also a crash file in var/crash/...
I attach both files here.