This sounds much like bug #745112 although the chipset is different. Install and boot this kernel, and see if it fixes it: http://kernel.ubuntu.com/~kernel-ppa/mainline/drm-intel-next-proposed/
If so, then install this kernel and see if it also fixes it or not: http://people.canonical.com/~acelan/bugs/lp753189/ If it does, then that'll narrow down what patch the kernel team needs to pull. -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xserver-xorg-video-intel in Ubuntu. https://bugs.launchpad.net/bugs/756624 Title: [pineviewgm] black screen attaching external monitor (x86_64) _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : [email protected] Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp
