It's your PCs funeral man.
Here is a video. For the most part all laptops have just about the same inside design, it's mroe of a matter of knowing what you are doing rather than how to do it. I'm sure I could do it now that I have a better knowledge of computers even though I didn't do much research (For one of my computers)
https
/www.youtube.com/watch?v=zJT8Y6z3BV0