Hi, I have inherited a somewhat bricked machine, looks new, told the kid did one demo print.
Turning on, get 2 pairs of relay clicks, no beeps. Display has blue wallpaper with wavy dots.
I was able to flash firmware to the display, but when booted without micro-SD it stays the same. Instructions said to use FAT format, but that gave error telling me to use FAT32, which I did, and it “successed”.
So try to flash mainboard. It shows no response to SD cards. Display still wallpaper, no text. No beeps, no motor movement.
So what can I do next? Is this consistent with a failed mainboard? Replacement boards are like us$30 on Aliexpress.