Same problem here with a clean install xubuntu 12.10 running kernel 3.5.0-18-generic.
Dell XPS 15 L502X SSD crucial m4 256gb 16GB Ram Intel(R) Core(TM) i7-2670QM CPU @ 2.20GHz [GeForce GT 540M] working only with bumblebee -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1066410 Title: lightdm doesn't load correctly on Ubuntu 12.10 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/lightdm/+bug/1066410/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs