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I'm trying to install my new comcast/xfinity cable box X1 TV -HD. It gives me a welcome screen, then goes to 'restart ' RDK-03013, why? What am I doing wrong? I've checked all the cords and connections over and over, but naddah! I've had xfinity before so it should be easy.
https://www.xfinity.com/support/articles/x1-errorcode-rdk-03013