Just want to confirm that I also have this issue. My PC is a dell xps 15 (l521x) with an ssd. The nvidia card is switched off, so using only hd4000.
Ubuntu is 12.10 - 3.5.0-26-generic #42-Ubuntu SMP Fri Mar 8 23:18:20 UTC 2013 x86_64 x86_64 x86_64 GNU/Linux Having this in rc.local sleep 1 && service lightdm restart Fixes the issue -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1070150 Title: Intermittent black screen or low graphics mode message To manage notifications about this bug go to: https://bugs.launchpad.net/lightdm/+bug/1070150/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs