I have the same problem for mine, and I think it might be that the battery bracket may be pushing up on the screen. My battery bracket was popping up on one side while the other was screwed down and I had trouble screwing both of the the tiny screws in without one popping out. This causes the entire battery bracket to sit at and upward angle and apply pressure on to my screen. This may not be your exact problem but it is worth a try to see if that could be it.