Updating firmware Grbl .9 to 1 XXL


(Steve Pisac) #1

I have a Shapeoko xxl. I have tried to update the firmware to the latest.
I followed the instructions but when I hold the Z switch and select yes for the prompt that says hold z down and select yes to upgrade and 2 of the 5 items are successful but red ball with x in it and keeps me in loop asking if I want to upgrade and hold z switch down. Any idea what’s up? Using a MAC