How To Make External Monitor Full Screen. Click the Scaling Options tab. It should make the gamegames open on the target monitor whether it is your primary or secondary monitor.
If the external LCD is not automatically recognized click on Detect. The Screen resolution menu. When moving the windowed version of the game to a different monitor maximizing the window moves it back to the primary monitor.
Sorry its a little late but i honestly just figured this out.
I have a HP Spectre x360 running the latest version of Windows 10 Home. Sorry its a little late but i honestly just figured this out. If you have ATI cards then you need to follow these steps to make your second monitor as first monitor. Click the Graphics button in the upper-left corner and choose Desktops Displays.