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Discovery HD (channel 278) NOT WORKING!
All my HD channels were working up until today and now Discovery HD is not working. It is just a black screen with no sound. What's up? Please do not tell me to reset my receiver because I am about ready to reset back to cable. I have a HR-20. My signal strength is above 95 on all transponders on 103(b). It was working up until today. All the other HD channels are working right now.