Mac air battery connector replacement6/27/2023 ![]() which indicates that the MacBook features not charging and not turning on issue.įirst, confirm the serial number on the lower case. Then plug in the power source and press power button, it current displays as 0.013A-0.016A. ![]() Press power button, the MacBook won’t turn on. Now, following to see how to troubleshoot MacBook won't power on issue. REWA never lets you down and always has an EFI chip solution for MacBook unlock repair for you. Actually, you can find the problem directly based on experience if you are an old hand. The fault is finally confirmed as to be caused by fuse damage due to short-circuited capacitor on the main power supply circuit. For our MacBook Air won't turn on repair case today, in order to demonstrate a complete repair process, we started from main power supply inductor in this video. For repair technicians, their repair work usually goes differently, since the problem can be fixed and solutions may be flexible.
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