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  1. C

    771A error in one room

    Prism was part of Centurylink and they are the ISP.
  2. C

    771A error in one room

    I have a HD receiver and a DVR receiver. The DVR receiver is hooked up in the family room and the HD receiver in the bedroom. We keep getting a 771A error code on the family room receiver. I have swapped receivers and the family room still gets the 771A error code and I have put the DVR into...