PSU good? Plugged in power and CPU power sockets?
Take the mobo out and set it on wood or magazine. Hook up the PSU and onboard video since you reset the BIOS.
If the PSU are still in the case just lay the case on it's back for access to the cables. Use a coin to jump start the power up pins on the control panel.
This will eliminate the shorts from the case if any.
I test all new board before installing.
image upload freecertificity.com
ETA: It may the board I sent him and it was DOA. I'm reimbursing him for the shipping cost. He's trying to save my face.