Try this first: https://www.lifewire.com/fix-vertical-lines-on-samsung-tv-5214341#:~:text=Causes%20of%20Vertical%20Lines%20on%20a%20Samsung%20LED%20TV&text=Loos

Try this first: https://www.lifewire.com/fix-vertical-lines-on-samsung-tv-5214341#:~:text=Causes%20of%20Vertical%20Lines%20on%20a%20Samsung%20LED%20TV&text=Loose%20or%20incompatible%20connections%20can,professional%20will%20need%20to%20repair https://www.lifewire.com/fix-vertical-lines-on-samsung-tv-52....