I have a new laptop with Win7 I connect HDMI tv to play a film. When I close a lid, the screen changes its resolution and instead of seeing a film on full screen I see a patch of desktop and half of the movie. Is there a way to set screen size, resolution or whatever is needed, that after closing the lid nothing changes on HDMI?
After connecting the monitor/TV, press Win+P and select Projector only as shown below. If that doesn't work, try Duplicate: