What are root cause for no video output?
Replaced motherboard with another VA1 board, connected power supply, controller board, fan, power switch, and GDEMU module with no SD card.
On power on, Power Light comes on, GDEMU light flashes, fan comes on, but no video output.
Remove GDEMU, reinstall CD ROM, on power on, power Light comes on, fan comes on, but no video output.
Anything this could be besides failed video out on motherboard?