Hdmi
I had a problem with my Vizio 4K TV and Comcast came to correct. They had a problem getting the reception and finally they appeared to fix it. When he left I noticed that my TV was hooked up to COAXAL CABLE. And not HDMI. I was leaving for NY so I did not bother to check. Now I am in NY and I switched from FIOS to Cablevision and the same thing happened. I have the same TV in NY. HDMI worked with FIOS but not with Cablevision . The technician said it was my TV. What gives?
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