Using the microsd installation guide, I made it all the way to updating the firrmware but now when I power it on I get no signal from the monitor, but the fan is still running. After I ran
sudo apt-get install nvidia-l4t-jetson-orin-nano-qspi-updater
I shut off the jetson, removed the sd card, flashed the 6.x version and booted it up and got this error
So, I shut it off again, turned it back on but now no signal from the monitor, but the fan is running.