Why there are recurring horizontal lines on my screen.
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Samsung qled q7fna 55"
I've a Samsung q7 qled 55" and every time i turn it on, the whole screen fills up with moving horizontal lines. The lines keep flicking up and down the whole screen with all sort of colours and then after 15 to 20 minutes start disappearing from top to bottom. Its quite annoying and I've searched the internet, can't seem to find anything. I've swapped the TCON board the the results are the same so it's definitely not the TCON board, and oneconnect cable don't have any visible cracks or bending. Kindly help.
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[video|5422]
As you can see that the lines are horizontal and there is a visible difference between the quality of the image on left and right sides of the screen when lines do disappear, the right side is more vibrant than the left side.
par Kamran Azam