The hdmi output from your lapotp only works for playing movies out, not screen splitting.If you have a BluRay player in your Sony, the output from your lapotp should go directly to the tv, not to your cable box.There should be another video out on the Sony for showing your screen on a projector (PowerPoint presentations and the like).Also this from AfterDawn forums:PowerDVD only displays HD content on the primary display. You have to make your HDTV the primary display. HD content is the only type that is affected in this manner. Thank Microsoft and the HD DRM overlords.So your lapotp screen will be black while playing an HD movie out to tv.Was this answer helpful?

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