Trouble installing new X1 set top box

J

JIM2897

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#1
This is a new X1 set top box replacing an older one. I attached the coax and HDMI cable as they were before on the old box. All I see is 3 horizontal dots, illuminating 1 at a time. Supposedly I should be seeing some onscreen instructions. My Samsung QLED tv does recognize that a Comcast device is attached to the HDMI 1 port. I have another tv runninh off of 1 of those smaller boxes and it's doing fine

"Trouble installing new X1 set top box," is about XFinity-Comcast Television.

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