Hi,
I was testing images for Orange Pi 4 w/o eMMC, official from site, Debian and Ubuntu from ARMbian, and suddenly any boots anymore.
I tried desperately everything, write with another program, used dd for copy, pressed randomly bottoms attached in the back, then one time worked, but it crashed when i attached a keyboard.
Later all my micro-sd cards worked, most of them are poor quality, could be that but idk, my power adapter came from official website.
# ls usb
doesn't show hid
I have a cp2012 usb to tll, i can use it for serial debug ?