Re: System Freezes When Changing Monitor
Ubuntu may sense the act of closing the laptop lid as the signal to either go into sleep mode or even to suspend. What happens when you open the lid back up? What are your power settings? Go into System Settings>Power and make sure that "When the lid is closed" option is set to "Do nothing".
Newb: How far must I jump to clear the ledge halfway down?
Guru: It's bad to jump off cliffs. Let's look at better options.
Newb: Stop harping about "best practices" and just tell me.