Hello friends,I am Master Liu . This is my second MacBook repair Book. I spent a year writing this book. Published in 2021, including T1 T2 repair methods and classic cases.This is the MacBook logic board chip level repair book. The Ultimate MacBook Logic Board Repair Guide Includes fully worked examples on many 2015-2020 MacBook models Complete boot sequence diagrams, ten highly detailed walkthroughs - with schematics and measurements - demonstrating important repair techniques, twenty "Classic" MacBook repair case studies and full step-by-step repair guides for the top 10 most common MacBook faults! Thank you for everyone's support