answer:Not 100% sure i understand what you mean, but this might help: in System preferences, select screens or whatever it is in english. Go to organizing, and make sure the option for showing the same on both screens is ticked off. Then move the menubar in the small monitor icons to the external monitor icon. this will make your tv the main monitor. From there, make sure resolutions for your tv and macbook is set to a max, then try vlc.