Hi Hans-Rudi: 1, Are you using GDM or SDDM or xdm? 2, when you boot the earliest boot option, Once your system has a turning wheel never-ending: please press "ESC" key, Does your system have a response? what will output? please press "Ctrl+Alt+F2", Do you get a new console? If you can get it, could you please collect the supportlog from this console?