1. NO Need to change the Laser or how a faulty PS2, turns to a fully working console again..
2. Essential Ribbon cable positioning:
https://youtu.be/ym9kPhYHwaA
3. Complete Laser Mechanism replacement:
https://www.youtube.com/watch?v=PcqlzIjQVxc
4. Controller maintenance for PS1/PS2 consoles:
https://www.youtube.com/watch?v=lMJWd30qBU4
5. What is this grinding noise anyways?
https://www.youtube.com/watch?v=HQqL4akKd9I