Hello searched and tested anything I found on the internet about my problem: avrdude: stk500_getsync(): not in sync: resp=0x00 avrdude: stk500_disable(): protocol error, expect=0x14, resp=0x51 went through the troubleshooting#upload too! Bit it still persists OS:Windows 7 64bit board: ardui…

cannot upload to arduino pro mini

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