sean

This article may help you, 4 steps to-solve touchscreen https://www.vicpas.com/f714823/4-steps-to-solve-elo-touchscren-not-responding.htm

I also encountered the same problem, but I have solved it. The problem in my case was that I had missed to connect one of the 1 connecters from the screen properly, to the phones mainboard. And I buy a new touch screen to replace it from vicpac touchscreen