Hi everyone,

I have a correct (not new) installation that now does not shows the login screen. The system starts with the kubuntu logo splashscreen, and then goes to black screen.

I can login with a F1 terminal correctly, but I can't startx.

The startx console says:


And the .xsession-errors says that


I have tried to reinstall kubuntu-desktop, plasma-desktop, reconfigure lightdm, booting from old kernel, checking that kded_powerdevil.so is in the folder...

I have no more ideas...

Thank you for help!