Check to see if the sources in your scene are stacked correctly. In your example above, you have both the display and game capture stacked on top of one another and both are in show state. The display capture is overlaying the game capture. Also, are you selecting the right display?
Hello I am on a laptop. Having the same problem too! Can you help? I am keen to get started. I watched a video on youtube that suggested I change the program settings to Windows 7 (I am windows 10 but Windows 10 is not an option) I have done that. and stil no joy :-(