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HDCP authentication failure?
Suddenly....around 1:30 AM this morning our HD signal died and we got a message reporting HDCP Authentication failure. After about 30 seconds that was followed by an HDMI failure message and a screen with troubleshooting suggestions. THEN....it all disappeared and the screen was just "snow" with zero sound. BUT.....when I switched over to the output from the VCR which is connected to the component outputs of the DVR the signal...picture & audio....were perfect. I followed all the instructions to restore the HD picture but to no avail. Then, in desperation, I performed the soft reboot of the DVR by holding the power button in for about 10 seconds. After the rather lengthy reboot everything went back to normal and it has stayed that way. In 4 1/2 years this was a first for us I think. I wonder if it was an update...followed by a reboot that went sour or something like that.