Wait at least one minute, then plug it back in and turn on the tv.

Lines across tv screen. If your hdmi cable is lose or dusty, then it can affect the picture on your screen and cause those horizontal lines. I have a 2018 75inch q7 serires qled tv. If you don’t know what the scalar pcb is, it’s the scalar printed circuit board.

Remove the power cable from the outlet. If you can’t get a signal on. The lines that appear on your samsung tv screen can give you a hint at where the problem starts.

Look for your remote control and click on the home button to open up the smart hub. What this does is that it’s responsible for getting pixel data from the. If the issue is with cable connections, this could solve the problem.

If you see any long lines (horizontal lines or vertical lines) on the screen of your monitor, you can take this easy method to solution or solve the problem. Follow the steps below or press and hold the power button at the back of your tv to restart it. Secure the cable tightly to the port.

Sometimes the connection between the row. In this video you'll see how to fix horizontal white or color thin lines on the top of the screen of a crt tv. The first thing you can try is to unplug the power cord from the tv.

Locate the antenna port at the back of your tcl tv. Menu > settings > support > self diagnosis > picture test. Restart using the tv remote control.