Here is a list of things that you want to check if your via tv does not connect to your network. Go to another device connected to your internet like.

Connect Vizio Tv To Internet
Tv won t connect to wifi vizio. I can tell you with confidence that simply entering ip address information into your tv will not enable you to connect to your wifi connection. 1the device authenticates using your ssid network name and password. Press the menu button on your tvs remote control. The process in connecting to wifi from any device is in 2 stages. Check to see if you internet connection is currently working. 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.
Connect tv to wireless network. Here are some basic troubleshooting steps for your vizio smartcast home theatre display or hdtv. Test another device in your network to make sure your internet is working. To set up your vizio smartcast p series tv with a wired connection. 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.
Troubleshooting steps for internet connection problems test the tvs internet connection toggle dhcp settings test a second device reset the tv verify the tv is connected to your network and retest the internet connection call vizio for warranty service. Try these steps in order until your vizio smart tv can connect to your home wi fi network. Connect one end of an ethernet cable to your tv and connect the other end to an open ethernet port on your wifi router. Check for any type of interference. If you cant connect on any device you need to troubleshoot the wi fi network. Highlight guided setup and press ok.
In case you connect your vizio tv to wifi you must do several extra steps but of course it wont cause you any problem. Hit the menu button on your remote control. If you still experience errors you may need to use a different browser or device. Troubleshooting your wireless network connection on vizio tvs what type of network are you trying to connect to. Access the web from another device connected to your network. Make sure your via tv is within 30 ft of your wireless router.
Once authenticated your device is in a connected state. If it connects then the problem lies with the television. Guest or shared networks if you are trying to connect to a guest. Check the wi fi network.