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Tv signal drops for one second

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Tv signal drops for one second

So my tv signal on one of my tv drops for like a second periodically. I just had Xfinity installed last week then went away for a few days with the military and come back to this. After spending 60$ on the installation I expect it to work for at least the first week. Any suggestions?
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Re: Tv signal drops for one second


@Scroy wrote:
So my tv signal on one of my tv drops for like a second periodically. I just had Xfinity installed last week then went away for a few days with the military and come back to this. After spending 60$ on the installation I expect it to work for at least the first week. Any suggestions?

what equipment did they install? which model set top box is cutting out? do you get an error message?