Re: MacBook Pro A1278 USB Issues
Can you provide the board number? It is usually on the edge of the board, often near the cutout for the fan. It will be a number like 820-3115 or 820-2879 or something similar. If you can provide that number, I can tell you exactly what part it is and what the specs are. It is definitely a choke and is likely available for a few cents on Mouser once you know the specs.
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