I get a blank screen during playback after a certain period of time (15-30 minutes). Power saving features have been disenabled on PC and TV. When I pause the movie during playback with the keyboard I can see the progress bar but no video. The only way to bring the video back is to move the mouse. Theater view has the option of disenabling screen saver but diplay view (which is used for video playback) does not. Are there more settings in MC that prevents blank screen or power saving?