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Topic: COM3 error (Read 1 time) previous topic - next topic

Hi,
I have a Mega 2560 and when ever I try to download a file it says "serial port 'COM3' not found". Whats my problem I have the right board selected and I think the right programmer.
Thanks
1001100111100

PeterH

What operating system type and version?
I only provide help via the forum - please do not contact me for private consultancy.

Windows 7 home premium, 64 bit.
Thanks for the reply :)
1001100111100

codlink

I also have these problems with Win7 x64.  I have to actually restart my computer for it to recognize it again...
//LiNK

I'm having the same issues with win7/x64, but for me it works just unplugging and plugging back in.

Happens every other time I plug the Arduino in. (Arduino Uno)


actually it seems to vary with what USB port i'm using how often this occurs.

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