In case you connect your vizio tv to wifi you must do several extra steps but of course it wont cause you any problem. Try these steps in order until your vizio smart tv can connect to your home wi fi network.

Easy Ways To Connect Vizio Smart Tv To Wifi 6 Steps
Vizio not connecting to wifi. Select your wifi network and press ok on the remote. Hit the menu button on your remote control. Access the web from another device connected to your network. Personal network vizio recommends connecting through a personal network as this is the most common type of connection. Before contacting vizio technical support run through these troubleshooting steps that address the most common problems. Go to another device connected to your internet like a computer tablet gaming system or even another smart tv and pull up a web page.
Check the wi fi network. Your tv might have a problem connecting to the internet. Check your wireless settings. If you still experience errors you may need to use a different browser or device. It can also be triggered due to certain settings being disabled and if the ip address of the router hasnt been configured properly. Here are some basic troubleshooting steps for your vizio smartcast home theatre display or hdtv.
Vizio smart tvs need an internet connection to use the built in apps but if there is a network problem you wont be able to use any of them. This is because of security settings on routers. You want to make sure that your router is using an internet connection settings called wpa psk tkip. This is the security setting that works best with vizio tvs. Check to see if you internet connection is currently working. Vizio tv not connecting to wifi is probably a result of mismanaged network configurations or due to the build up of corrupt launch configurations.
If it connects then the problem lies with the television. Connection troubles with your vizio tv may be caused by incorrect setup wireless interference or problems with your isp. Select network when the tv menu displays on the screen for the access to internet connection preferences. If that device is also having issues your internet may be experiencing an outage wed recommend contacting your isp. Vizio tvs have trouble connecting to the internet when using certain wifi routers. Fixing internet connection problems is simple with a vizio tv though.
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.