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Lenovo ThinkBook 14 Shuts Down When Plugged In ๐Ÿ”ฅ | MOSFET Replacement #lenovo #repair #electronics

MIKE LAB | Electronics Repair
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Lenovo ThinkBook 14 Shuts Down When Plugged In ๐Ÿ”ฅ | MOSFET Replacement #lenovo #repair #electronics
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Fixing an unexpected shutdown issue on a Lenovo ThinkBook 14 laptop whenever the AC adapter is connected. The root cause is a shorted MOSFET in the motherboard's input power circuit.

In this video, I replace the faulty MOSFET using precision microsoldering techniques to eliminate the short circuit and restore stable power operation.