Steve Bainton, I'll close this report as per your comment https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1749086/comments/57 regarding this being fixed with a BIOS update.
Steve Bainton, I'll close this report as per your comment https:/ /bugs.launchpad .net/ubuntu/ +source/ xorg/+bug/ 1749086/ comments/ 57 regarding this being fixed with a BIOS update.