For repair technicians, their repair work usually goes differently, since the problem can be fixed and solutions may be flexible. For this MacBook Air won’t turn on repair case, in order to demonstrate a complete repair process, REWA started from main power supply inductor in this video. The fault is finally confirmed as to be caused by fuse damage due to short-circuited capacitor on the main power supply circuit. Actually, you can find the problem directly based on experience if you are an old hand. Here are the details steps of fix MacBook Air wont turn on.
https://blog.rewatechnology.com/macb...oubleshooting/
This guide is made by REWA MacBook maintenance engineer, provide steps and video to teach you how to fix MacBook Air won't turn on.