My monitor is stuck in project only in 2nd monitor

[brendonh5134]

If I have to don’t have two monitors and only had one and clicked on project 2nd monitor only how do I revert it back

 

[jnilsson618]

while holding WinKey down, press P, wait 2-3 seconds and press P again. even though you won't see it, it'll still bring up the project menu and switch displays