Having problems where my screen breaks up or missing voice for several weeks.
This is getting to the point I can not watch. Does not do it all of the time and does not seems to affect all channels the same. I have a direct connect on some tvs and my cable problem looks like bad weather problems
Audio cutout and video breakup happen when the signal for the channel you are trying to watch is too weak or has too much noise. This might be because of a bad cable box or a problem at Comcast (check https://customer.xfinity.com/, 1-800-Comcast voice response, or the "My Account" app) but is most likely due to a poor connection between the box and Comcast's network.
Troubleshoot by checking all connectors and looking for damaged coax cable. Running the cable through a surge protector, a defective splitter, or too many splitters can cause signal problems as well. If there is an amplifier in the line make sure it's getting power. You might also try unplugging the cable box/DVR/digital adapter power cord for a minute or so.
If you can't find the problem, call them at the phone number on your bill or 1-800-Comcast, or chat with them using one of the "Trouble" options at https://www.comcastsupport.com/chatentry/. Ask them to check the account setup and send a refresh signal to the box. If they can't fix the problem remotely, insist they send a tech out to identify the cause and correct it.
If the tech finds bad coax, splitters, amplifiers, or connections in your home (even if Comcast originally supplied them) you'll probably have to pay for the visit unless you have their Service Protection Plan (https://www.xfinity.com/support/account/service-protection-plan/, about $6/mo). If the trouble is due to a faulty Comcast cable box/DVR/digital adapter or anything outside your home, you shouldn't be charged.
Hi eljones2, the information that (BruceW) provided is correct and a good place to start trouble shooting your picture breaking up. With what you have shared about your experience it sounds like you have a bad coax cable or connector somewhere within your network, if you have reviewed the information above and still have issues I would recommend getting a tech out to evaluate your services.
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