mmeyne

I received this printer for free as it is no longer functional. I am trying to bring this unit back to life. When I power on the machine, the knob turns green, I hear one faint beep and then the bright lights come on and then nothing else happens. The LCD screen never comes on. I have taken off all of the control board covers to check for loose wires and everything seems to be in place. I have tried connecting the printer to network via LAN and no machine shows up in Cura. Does anyone else have any troubleshooting advice? Thanks in advance