I have a Samsung PN58A550 with a Dish HD DVR box, and we just got it last Sunday. However, whenever I turn the TV on, I get a "Searching for signal" box, which then turns into a "No signal" box. But if I turn the tv off and then on again, it works fine. Can someone please help? I don't know if this is a problem with Dish or the TV or the connections or what...
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