Brian asked in Consumer ElectronicsTVs · 8 years ago

Lines across my tv on low channels when my cable modem is on?

I get these annoying lines across my TV on low channels 2-6. I don't have a cable box. I just get channels 1-20. The cable goes to a splitter, which then splits to my cable modem, and the TV. When I unplug my modem, the lines go away. Any ideas why this is happening? This is nothing new, it's always been like this.

3 Answers

  • Minnie
    Lv 7
    8 years ago
    Favorite Answer

    Lines indicate a low incoming signal or an open ground. You need to call the cable company and have them fix it.

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  • 8 years ago

    The cable modem is probably bleeding back into the cable line. You'd want to call your cable company about a new modem, a new filter/splitter, or you could just try grounding your cable, see if that helps.

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  • 8 years ago

    There should be a filter in the cable splitter and it's usually marked as to which output is which (e.g. TV and FM radio/modem). Make sure the TV and the cable modem are plugged into the correct outputs.

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