Laptop with broken screen won't connect to external monitor. Need to tell Laptop to be in Extend mode but screen broken so I

[bgallocker]

Laptop with broken screen won't connect to external monitor. Need to tell Laptop to be in Extend mode but screen broken so I can't see it on screen. And it wont show on monitor screen. Does anyone have the answer to this problem?

 

[kanewolf]

Many laptops have a keyboard shortcut to toggle the display to an external monitor. Yours might.

 

[kanewolf]

Many laptops have a keyboard shortcut to toggle the display to an external monitor. Yours might.