I have this same issue but only with ABC, FOX, and CBS local channels. NBC works fine. I recently subscribed to a VPN service. When it is active, I can’t connect to local channels with the streaming app. When I disable VPN, all of the local channels work. It’s frustrating to pay all of the money for xfinity and then an add-on protective service seemingly can’t be used without issue.
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I am another Maryland customer with the pixellation issue. I have been through countless technicians at different times over the last 19 years. Former problems involved losses across splitters and other problems induced by the former homeowner. Later, there were various connector and cable issues (RF leakage induced noise) and ultimately major issues were traced back to the local feed at the pedestal involving a failing RF amplifier. As the service went to higher frequency for my Internet service and HDTV support, the problems became and are much worse in recent months, particularly for HDTV channels like Food Network, HGTV, and others. I am sure there are others. When I monitor the Internet speeds, I see that it is often throttled back, too. I have seen 400 Mbps down to 50 Mbps. In the past, they have resolved the problem after several visits involving technicians with successively better troubleshooting, analysis, and solution skills. However, problems inevitably recur, typically within a few months. It seems to get progressively worse in the evening hours and the HD channels are particularly sensitive.
FIOS is finally in the area and is a very tempting option, but I am hearing mixed reviews on their support. I have to have Internet access for my job. Lately, I have just been ignoring the problem because I hate dealing with Comcast support. Their answer is always the same - reset the box, refresh it, check cable connections, and other standard nonsense. I call support after I have exhausted those options and they want to waste time repeating the steps l’ve already taken.
Now they want to charge $79.99 to send someone out to fail to fix problems of their creation. Any ideas or good contacts? I am basically toast.
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