Samsung ln40b530 tv quick green lines!?

Clayton

New member
Hi! I have videotron as my cable. Well, lately, Ive been noticing that whenever im looking at my tv guide, and i close it, I see like a quick green line on the middle top of the screen for a second while the picture is readjusting itself. It happens like 80% of the time. Im just wondering why it does this. I mean is this the tv or just videotron?
 
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