Will anybody EVER make this manual?

Thanks for posting on this forum. According to a few of our community members, it looks like a GPU replacement isn’t really possible without replacing the entire logic board. You can find more information on this topic under this thread. iFixit is a collaborative wiki free for anyone to use, so if you’re able to create a guide then please feel free to do so.

Let us know if there’s anything we can do to help.

Happy fixing!