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[on:]

Hi all. Thanks for taking the time to look at this.

I have a Due and I installed the drivers according to these instructions: http://arduino.cc/en/Guide/ArduinoDue

The initial install appears to be successful. I'm running windows 7 and this is what shows in my device manager:


Looks ok, yes?

So I then open the Arduino IDE, select COM6 as my port and the Arduino Due (Programming Port) as the board.

When I attempt to upload the Blink sketch, I get the error message "No device found on COM6". And that's where I'm stuck. Has anyone else had this problem?



It seems there's some issue with the communication between the Arduino IDE and the SAM3X8E chip. Or it could be the 16u2? I tried reuploading the firmware to the 16u2, and while I was able to complete that operation, the same error occurred.

Any help you can offer is most appreciated!

[Reply #1 on:]

I just went through this on a WinXP box. 

A reboot fixed everything.

-Chris

[Reply #2 on:]

This happened to me a bunch of times lately. Selecting another board, disconnecting & reconnecting the USB and reselecting the due fixes it.

[Reply #3 on:]

Thanks for the suggestions. I tried both of these and no luck. I was really excited for a minute there though thinking the solution was so easy!

Here's to hoping someone else has another solution.

[Reply #4 on:]

I have two suggestions:

1. Are you sure you're putting the USB cord in the right socket? There are two and you might have mixed them up.

2. If that doesn't work then try the native port (remember to set that in Arduino IDE as well!) The native port uploads like 10x faster anyway. I pretty much exclusively program my Due's with the native port.

[Reply #5 on:]

I was having the same problem.  It's unclear why.  It was really really bad and irritating but after rebooting and plugging the USB cable into the back of my system things did get quite a bit better but it does still happen now and then.

The COM port shows up but the IDE doesn't see the board.  I think it might be an intermittent bug in the IDE.