Ahmed Hosam easy enough. Use something like [https://www.youtube.com/watch?v=PjC-KMrX3Vw|this video] the get it replaced. While you are doing it, take lots of pictures and create a guide for the rest of us. That way you are helping another person with the same issue. It is not very complicated [link|https://www.ifixit.com/Guide/new|Create a new Guide - iFixit|new_window=true]