My first post here as I found this thread in my wrestlings with a Minisforum UM773 Lite over past few days.
Im having similar problems ie. wont reboot to USB batocera install and hangs on “Booting Batocera.Linux…” using an external USB Drive. I then have to go into BIOS and overide the boot sequence selecting the USB Batocera.
I Installed Batocera to the internal NVME drive and it reboots everytime. But my wireless controllers that worked previously on my old NUC hardware can no longer be seen or paired. [sigh]
Im using the latest BETA build of Batocera.
I have also tried insalling HOLOISO SteamOS 3 which goes through the installation onto the internal NVME fine but refuses to boot thereafter.
I got CHIMERAOS installed fine also using a USB Boot installer but no bluetooth support for controllers.
Not been a great first 48hours with the UM773 😂
Thanks for the thread.