His was nothing to do Ctrl + Alt + F7 I did a reinstallation, the problem has disappeared (with the same ISO Yet)
-- Problem starting GDM https://bugs.launchpad.net/bugs/518799 You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to gdm in ubuntu. -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs