"i got the same issue.
following the way that how to get into DFU mode. device manager only print "ArduinoMega 2560".
there is no "ArduinoMega 2560 DFU"
I have two boards and both them get the same problem.
someone help, thanks."
"I change the "ARMING_CHECK" in Full Parameter List to 0,and it can arm,but the other problem happened.When I fly the Quadcopter to the air,but the MP's Aititude(Meter) shows 0."