On 14.04, with an Intel graphics card, installing GDM (and choosing that as the default) instead of Lightdm worked for me. All of the suggestions with 'sleep' or 'lightdm service restart' were useless for me.
-- 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
