I have the identical problem. Two RNG200N boxes have been deleting all recorded shows whenever there is a power failure. When power is back on all recorded shows are gone. Disconnecting the cable and power for over 30 seconds seems to restore the recordings but only to let me watch a single recorded show. Then everything is deleted again. This is repeated over and over. Makes me want to go to Fios or the Dish, very frustrating. By the looks of it, this has been happening to a lot of people for many years.
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