Ok, here I am 18 and my father wants me to fix the system because it is pissing us all off. Here is the setup specs: -Samsung 56" DLP HDTV TV (Model #HLN567 I think) -NAD T763 Receiver -NAD T572 DVD Player (5 Disc Capacity) -B&W Nautilus 805 Speakers (fronts) -B&W 600IFS Center Channel -Celesion SL6 Rear Speakers Anywho, the problem is that now that we got the Bell ExpressVu Sattelite Dish with some HDTV Channels, I tried the demo HDTV Channels to show off how nice it looks, and now when watching TV and watching DVDs through the DVD Player, the TV will make random gray/black flickering bars every once in awhile, but it gets ANNOYING as hell and I don't have any idea on how to fix it. I tried looking in the trouble shooting section of the TV Manual but got no help on the subject of my problem. Any help would be appreciated! Thanks.