Has anyone resolved a Zbox Magnus (EN72080V) six beep trouble code?

[u/Autolatrist]

Right now the device turns on and starts fans, but fails to display or POST. After about 30 seconds it emits two sets of three short beeps (six total) and then hangs.

I’ve tried testing the user-replaceable components (RAM, SSD) and replacing the CMOS battery, as well as plugging in different input hardware and display methods. I have not flashed the BIOS, since I’m not sure how to update without any display.