Rocket Tech

29/05/2026

28/05/2026

In this video, we tackle a common hardware issue on the MacBook Air A2179 (2020): a device that refuses to charge or turn on. We track down the root cause to a faulty CD3215 USB-C charging controller IC and perform a precise micro-soldering replacement to bring this MacBook back to life.

If your MacBook Air is stuck at 5V instead of boosting to 20V on your USB-C meter, this step-by-step diagnostic and board repair guide is exactly what you need!

⚠️ Disclaimer: Board-level repair requires specialized micro-soldering equipment and training. Attempt these repairs at your own risk.

💬 Have questions about this repair? Drop a comment below!

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