And yet, my Ubuntu does the right thing in both cases: - When the lid is closed and there are no external monitors, the laptop goes to sleep. - When there is a

And yet, my Ubuntu does the right thing in both cases: - When the lid is closed and there are no external monitors, the laptop goes to sleep. - When there is an external monitor, it switches to it entirely. And when the external is disconnected after that (the laptop is still closed), it goes to sleep fine.