Press Menu on the Remote Control and then press System. Then press on Reset and Admin. Select Soft Power Cycle while powering off your router. Now check and see if your Vizio SmartCast TV is functioning properly. See if the White LCD Power Light is on.
Anytime your Asus monitor is not working, check the power supply and the condition of the cables. If you see any problem with the cables, replace them with the latest technology. Otherwise, it could be a problem with the graphics card in your computer.