Could you check if this is the same as bug 500999? If it freezes instantly, it probably isn't. It is more likely to be something like bug 319717. Sony laptops have a history of doing strange non-standard things. Could you start the computer in recovery mode (so there will be no xorg running) and check if connecting the external monitor still freezes the system.
** Tags added: gm45 ** Summary changed: - System Hangs on Connecting External Monitor + [GM45] System Hangs on Connecting External Monitor -- [GM45] System Hangs on Connecting External Monitor https://bugs.launchpad.net/bugs/512387 You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xserver-xorg-video-intel in ubuntu. _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : ubuntu-x-swat@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp
