Same issue with a Asus N53SN, when using VGA or HDMI port. My Asus integrates an Optimus card.
But to get rid off the problem, I personally need to reboot the machine. -- 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/867840 Title: [arrandale] Unplugging the external monitor corrupts the laptop screen To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-intel/+bug/867840/+subscriptions _______________________________________________ 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
