Could be touch disease could be screen it should be possible to have it repaired… best to have someone try a new screen on it first though, if it arrived like this u should have sent it back
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To save urself money have someone try a screen first and see if they will do it and to just test and put ur old screen back on if it doesn't work failing that then u need to find someone near u that is capable and has experience with repairing touch disease and can do it properly :)
Could be touch disease could be screen it should be possible to have it repaired… best to have someone try a new screen on it first though, if it arrived like this u should have sent it back