green lines

I can see green grid lines (which is more noticeable on dark background) on my ASUS TUF A15 laptop screen. I first experienced this when a driver update encountered an error. Then I reinitialize update and the grid lines were gone. I don't know if it was just a coincidence back then because...

My (old) Samsung LN-T4671F is having a problem. On a normal picture where there should be the color black, green vertical bars are being displayed. It happens on all inputs and also when everything is unplugged. So when I am at an input/source that has nothing on, the whole screen winds up being...