Solved! keyboard shortcut to toggle the display to an external monitor.

[gardegirl]

keyboard shortcut to toggle the display to an external monitor. my laptop screen is broken and I'm hoping a toggle shortcut would help

 

[webworkings]

Usually it is a button that includes a dual monitor on the button itself. Looks like two screens.

 

[Alabalcho]

You can also try (blind) <Win>-P, <right arrow>, <enter>