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Topic: Problems uploading a sketch to the MKRFOX1200 (Read 1 time) previous topic - next topic

andreasbaldur

Hi,

I have just received 2 x MKRFOX1200 but unfortunately faces problems with uploading new sketched to one of the two devices :( .

When I plug in the malfunctioning device it is correctly discovered as a COM port. But when I press upload on a BareMinimum sketch, it will print out:

...
PORTS {} / {} => {}
PORTS {} / {} => {}
PORTS {} / {} => {}
PORTS {} / {COM3, } => {COM3, }
Found upload port: COM3
C:\...\Local\Arduino15\packages\arduino\tools\bossac\1.7.0/...

and then just keep hanging.

This is what I have tried so far:
- Uploading a sketch from several different laptops (works for the "working" MKRFOX1200).
- Tried several different USB cables (works for the "working" MKRFOX1200)..
- Double-tapping the reset button.

I have read the following similar topics:
- https://forum.arduino.cc/index.php?topic=443677.0
- https://forum.arduino.cc/index.php?topic=473045.0

but none of their suggestions seem to work.

Any ideas?

/ Andreas

Ballscrewbob2

Did you try the "quickly double tap the reset button" trick ?
It will put it on a new com port (bootloader mode)  but is usually the way around any issues.

Also ensure you are using USB 2.0 ports and a usb cable capable of data transfer (not all usb micro cables support data).
There have been issues with USB 3.0 ports and cables in the past.

It may not be the answer you were looking for but its the one I am giving based on either experience, educated guess, google or the fact that you gave nothing to go with in the first place so I used my wonky crystal ball.

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