Use a USB Male-to-Male cable. Insert a toothpick into the AV port to press the hidden reset button, then plug the USB into your PC.

The rebooted. This time, the red light stayed off. And Elara’s main monitor went black.

"Whoever you are, thank you for running this. My name is Jia. I am the developer of this board. The factory locked me out. They are using my devices in a botnet to power a ransomware campaign targeting hospitals. This firmware bypasses their C2 servers and routes the box to a local sinkhole. If you are reading this, your LAN is already compromised. The 'best' firmware is the one that fights back. Connect the box to your router's WAN port, not LAN. It will beacon a takedown signal. I am sorry for the deception. - Jia"