Using: Jetson Nano 2gb devkit with today’s jetson-nano-2gb-jp451-sd-card-image
No log text is available, because Linux cannot find serial port.
The green LED is on, but the device won’t boot; neither with monitor nor headless
I have tried several SD cards, 32GB ultra, 32GB extreme, 64GB extreme
I flashed the SD card using the integrated SD slot on the Laptop, and etcher validation went through.
The power supply comes from an original RPi 4: 5.1V3A
edit: I have seen this problem several times now. From the comment below it seems you need a special UART cable to read out the serial logs, which the majority of people do not have.
Also, as seen from other posts, similar to this, it happens frequently that the Jetson Nano is dead on arrival (DOA). I have therefore sent mine back to the seller and will try again from a different distributor this afternoon.
Thank you all for your help.