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my arduino is not recognized by system? Answered

my arduino UNO was working properly...but suddenly it is not recognzed by laptop...when i connect it to laptop only green power led on but L,Tx,Rx remains off....when i connect it laptop does not respond....i am using Windows7

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rickharris
rickharris

Best Answer 5 years ago

power too low

Cable incorrect or not connected

Wrong port selected.

broken.