HDMI recycles while watching network share movie

Yeah during playback and is very intermeitent.  Some times it doesn’t happen at all and others every few min.  

Not sure what I should change things to?  One is hooked up to a 55" samsung plazma and the other to a 60" Samsung LCD they both have the same problem with the one on the plazma being the worse of the two.

Thanks for your help :slight_smile: