***[link|https://www.ifixit.com/User/4219250/Ram+Raj+status|Ram Raj status|new_window=true] ***that is usually caused by a bad touch screen. You will have to replace the front display assembly since the LCD and the touchscreen are "fused" together. Something like [https://www.youtube.com/watch?v=R8m9xy0iZDY|this video] will show you how to replace it. Replacement displays are readily available. Just do an online search for a seller in your geographic area.