11-23-2020, 07:24 AM
On another thread someone found it worked when the USB cable was plugged in but not on battery. Their guess was that the new board is more sensitive to low battery than the old one, but i think that's still unverified. Might be worth a try though. If you really want to see what's going on in the boot process you can use the serial terminal:
https://bloggerbust.ca/post/my-first-exp...l-console/
https://bloggerbust.ca/post/my-first-exp...l-console/