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Author Topic: programmer is not responding arduino uno Mac OS X  (Read 60 times)
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I recently bought an arduino uno and when I plugged it into my computer, both the on LED and the L LED turned on. I am using mac os x version 10.7.5. My computer doesn't recognize the arduino as a modem and i get no notifications when I plug it in . Nothing happens when I press reset, either. When I tried to upload the blink sketch, the TX and RX lights didn't flash or anything, and I get this from avrdude in orange:
Code:
avrdude: Version 5.11, compiled on Sep  2 2011 at 18:52:52
         Copyright (c) 2000-2005 Brian Dean, http://www.bdmicro.com/
         Copyright (c) 2007-2009 Joerg Wunsch

         System wide configuration file is "Users/XXXX/Desktop/Arduino.app/Contents/Resources/Java/hardware/tools/avr/etc/avrdude.conf"
         User configuration file is "/Users/XXXX/.avrduderc"
         User configuration file does not exist or is not a regular file, skipping

         Using Port                    : /dev/tty.usbmodem621
         Using Programmer              : arduino
         Overriding Baud Rate          : 115200
avrdude: Send: 0 [30]   [20]
avrdude: Send: 0 [30]   [20]
avrdude: Send: 0 [30]   [20]
avrdude: ser_recv(): programmer is not responding
avrdude: stk500_recv(): programmer is not responding

avrdude done.  Thank you.

I am new to this community and programming in general, so i replaced the name of my computer in the avrdude code with XXXX. Sorry if that was the wrong thing to do.
Thank you in advance for your time and help.
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