If I turn off all visual effects System->Preferences->Appearance->Visual Effects->None Then the external monitor will work and the laptop doesn't crash.
So this is a problem with the intel driver, compiz and external monitors. I can live without compiz, but it is a bit annoying really. I wouldn't like this as a permanent solution. -- intel graphics laptop crashes with external monitor https://bugs.launchpad.net/bugs/465318 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs