@robertg_69 something like [https://www.youtube.com/watch?v=Kh1cPCjfh34|this video] will get you there. While you perform this repair/replacement, take lots of pictures and create a guide for the rest of us. It is easy and will really help other people out. [link|https://www.ifixit.com/Guide/new|Create a new Guide - iFixit|new_window=true]
Now, if you need some help with removing the board once everything is opened etc., post some good images of where you are "stuck" so we can assist you further. [guide|21499|Adding images to an existing question - iFixit Repair Guide|new_window=true]