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Topic: half-broken USB port (Read 478 times) previous topic - next topic


Hey Arduinoland,

I have an old, slowly decaying MacBook whose USB ports appear to have stopped working, at least partially.  If I plug in any USB device, the laptop will not give the device power.  BUT, if I plug in any Arduino pre-Uno, and power it with external power, it will program and do serial communication just fine.  However, any Arduino Uno or Mega will NOT be recognized by Arduino and under USB in System Profiler.

Any thoughts?


have you tried cleaning the USB ports? Have you dropped the your computer lately?

James C4S

Get a powered USB hub and plug into that.
Capacitor Expert By Day, Enginerd by night.  ||  Personal Blog: www.baldengineer.com  || Electronics Tutorials for Beginners:  www.addohms.com

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