MotoWiZThe line is the one that is vertically not horizontally. The horizontal line is from the app that is opened, and it is supposed to be there. I've marked the shadow that appears even on boot time.
They appear even on boot, or only after, in windows environment?
It seems to be a straight line like one on a defective screen.
Use this to test your screen and post your results.
Don't need to install any software just open the webpage maximized in the ScreenPad+ and run the test. Slide up with your finger to go through all the tests.