Uh, so the working conf is completely different from the broken one. The fault is not in the Defaultdepth, but you have Synaptics on the Serverlayout section (and no corresponding device configured), and that is probably what broke it. Try commenting that out.
-- nvidia driver not properly configured by restricted drivers manager https://bugs.launchpad.net/bugs/201968 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs