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Actually I don't do anything to get off the 703 screen. It only lasts for about 5-10 seconds, then the screen goes blank and the "Testing system... Validating Hard Drive...." message appears again and it cycles between 703 and the message.

No, I have not tried doing that. I will do that tonight and report back. Thanks for the suggestion.

Got myself a 721 from e-bay. Trying to install the receiver on my system. I have a Dish 1000 with a DPP44. I am using a DPP separator to feed 2 inputs on the back of the receiver from 1 feed. I am a total newbie with 721 and don't know much about it:confused: . Here is my problem. When i...