Orin Nano Developer Board is non-functional

I just received the (newest) board about 2 weeks ago.
I followed the initial setup instructions and got it running the latest firmware 6.1 with NVMe installed and functional.
Just yesterday (third day of evaluating the board) it freezes while I’m building Stable Diffusion.
I unplug the power and plug it back in. Nothing shows on the monitor connected to it not even the bootloader.
I try again today and still nothing. I remove the NVMe and microSD and try again. Screen gets no signal not even the bootloader screen.
Is the board fried? The fan is turning and the (green) power light glows when plugged in.

Are you on the debug port, what does it show? Something is running or the fan would not be up. Might have to use the jumper and reinstall?? Just a guess.

Does the debug port require that one cable with the four pin connectors? If so I do not have that cable on hand. If not how do you access/attach to debugging?
I’ve tried flashing the SD card with same image (Jetson 6.1 previously and still nothing).
I did run system updates once or twice before the board gave out.

  1. Removed the NVMe and SD card.
  2. Off/no power cable attached
  3. Attach (USB) keyboard
  4. Attach power cable
  5. Press ESC on the keyboard about 1 time per second. Opens a system menu of sorts around 20-30 seconds after LED is green and fan spins.
  6. Navigate through some options without changing anything (this step likely doesn’t matter)
  7. Unplug power
  8. Attach SD card flashed with Jetson SDK
  9. Attach power
  10. Boots into Jetson’s Ubuntu

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