My Mega2560 works just fine on my Mac with Lion.
Take a look here : http://arduino.cc/hu/Guide/MacOSX particularly sections 4 and 8, and see if that helps.
My Mega2560 works just fine on my Mac with Lion.
Take a look here : http://arduino.cc/hu/Guide/MacOSX particularly sections 4 and 8, and see if that helps.