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Why do these thin white lines appear on screen?

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I have these thin horizontal and vertical lines that seem to flicker in and out. Funny thing is this would appear in the past. I would reset the TV and they would go away until the TV went to sleep then powered back on the lines would appear. Now the lines don’t want to go away. Does anyone know what is the source of the problem?

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Hi @juanes212,

Have you tried a different signal source e.g. a dvd player and checked if the lines also appear when watching a dvd?

Just wondering if it is not the TV but the signal that it is receiving.

What is the TV normally connected to e.g. cable box, streaming device, etc and how is it connected WiFi, HDMI etc?

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Yes the lines appear on all inputs and even when there is no source.

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@juanes212 this could be a badly shielded cable picking up EM scatter. If you disconnect all input cables and those lines still pop in and out you want to take a good look at the shielding inside your TV.

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Juanes zal eeuwig dankbaar zijn.
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