no problem uploading to UNO, but unable to upload to NANO

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hi bodies,
using macbook (osx 10.6.8) , ide 1.6.0 without problem upload code uno r3. i'm   unable upload nano because usb-driver /dev/tty.usbmodem1.11 no longer shows on driver list switch nano.
any idea what's wrong?
thanks in advance!
wuidakaiser
 

probably needs drivers installed? if it's clone, uses ch340g (check markings on chip near usb port), , drivers usb-serial interface aren't included ide, since wasn't used on official products.

there bullshit in sierra ch340g drivers (i don't understand mac os versions - people talk of numbers, others code-word), need new version of driver (and using old 1 not handled gracefully) - google has info if applies you.


Arduino Forum > Using Arduino > Installation & Troubleshooting > no problem uploading to UNO, but unable to upload to NANO


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