Hope this helps .... I have a White MacBook and i am forever watching my
EyeTV Elegato and movies with the screen down and closed away. I sit at home on-line through the day with my MacBook whilst watching the TV on my TV all run through the Mac. All i do is Detect other displays and turn off mirroring. Then when im shutting down for the night close the screen and the other monitor ( My TV) acts ...