I have the same problem. I don't know if you came across this forum already because it's older than yours, but tell me did you find a solution besides replacing the screen?
Although they are not for the exact model we have, they still seemed relevant to replacing the part (and also the closest guides I could find unfortunately)
1 
I have the same problem. I don't know if you came across this forum already because it's older than yours, but tell me did you find a solution besides replacing the screen?
I also found these videos: https://www.youtube.com/watch?v=-asDIsCu...
https://www.youtube.com/watch?v=3B4E2X7w...
Although they are not for the exact model we have, they still seemed relevant to replacing the part (and also the closest guides I could find unfortunately)
Display Name さんによる