Alright. On some other similar bugs to this one people are indicating that the drm-intel-next-proposed kernel does indeed fix it. However, we're far from narrowing down what specific patch is needed.
I am pretty sure your bug is the same as theirs. I will dupe these together. If you have time to help us with this issue, please follow up with testing results. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/734756 Title: [Arrandale] Blank screen when booting with external monitor (x86_64) -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs