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Case Studies

Dead, No Charging Light - MacBook Air 13" 2013 A1466, 820-3437

Posted by eFix Ltd on

In this case study, we have a MacBook Air 13" 2013 A1466 model (board number 820-3437) which is completely dead, and not showing an orange or green charging light, using a known good charger. Whenever an older MacBook is not showing a charging light, this means there is either an issue with communication between the charger and the SMC, or a power issue, where certain voltages are either not present, or not making it to where they need to go. Disassembling the device, there were no obvious signs of a spillage. Measuring voltages on the board, we could see a main voltage,...

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