If it connects then the problem lies with the television. Personal network vizio recommends connecting through a personal network as this is the most common type of connection.

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Vizio smartcast won t connect to wifi. The vizio support homepage provides the latest trending support topics and support videos user manuals product registration along with tech specs and troubleshooting steps. If youre experiencing issues with your wireless internet well need to rule out any environmental issues or interference that could be causing issues. Connect one end of an ethernet cable to your tv and connect the other end to an open ethernet port on your wifi router. If it doesnt then the tv isnt connected to the network yet. Press menu on your remote control. Press the menu button on your tvs remote control.
Contact the app developer for additional troubleshooting. Hit the menu button on your remote control. Go back to the network settings page highlight your wi fi network name then press the ok button. Information on how to resolve the smartcast input not loading or the ok button not responding to some sections of the smartcast input. The open the tv menu on the screen. Here are some basic troubleshooting steps for your vizio smartcast home theatre display or hdtv.
Highlight guided setup and press ok. Access the web from another device connected to your network. To set up your vizio smartcast p series tv with a wired connection. At this point it is likely an issue with the app itself. If another app is casting the smartcast display the wireless network and the control device tablet phone or computer are working. Check the wi fi network.
Vizio soundbar wont ever connect to wifi ugh soundbars i recently got a sb3651 e6 soundbar works great with the tv but cannot for the life of me get it to connect via the smartcast app. The first thing you want to do is verify that the tv is actually connected to your wifi network. Select network when the tv menu displays on the screen for the access to internet connection preferences. Select your wifi network and press ok on the remote. Try casting from another device tablet phone computer etc. Connecting to wifi takes a few extra steps but its still pretty simple.
If you still experience errors you may need to use a different browser or device. Try these steps in order until your vizio smart tv can connect to your home wi fi network. Verify other devices are able to connect and be used in the same location. Does this page say its connected to your wi fi network. In case you connect your vizio tv to wifi you must do several extra steps but of course it wont cause you any problem. Vizio smartcast wireless network connection troubleshooting if you are not able to see or click on the sign you may need to disable your pop up blockers.