How to Fix M1 MacBook Air Won't Turn On - REWA

Today we will share how to fix an M1 MacBook Air that won’t turn on. Supplying power to the motherboard, we find that the voltage jumps back and forth between 0V and 5V. The measurement tells us that the working conditions of voltage boost from 5V to 20V are good. After rewriting the ROM data of CD3217 with U301, the MacBook now turns on normally.