How to Fix Vizio SmartCast Input Not Loading or OK Button Not Working

Vizio SmartCast gives you multiple ways of streaming, controlling, and playing your entertainment. But sometimes you face VIZIO SmartCast Input Not Loading or OK Button Not Working Error which is very frustrating. Follow the below simple guide to fix the VIZIO SmartCast Input Not Loading or OK Button Not Working Error in very straightforward steps.

While you can do many things with the app, there are times when you might encounter errors. One common error is usually accompanied by the message “Vizio SmartCast Input Not Loading or OK Button Not Working”. This guide will take you through some troubleshooting steps to fix basic issues you may encounter with the Vizio SmartCast app, such as the app not launching or not working as intended on your phone or tablet.

Also Read: How to Add HBO Max on your Vizio SmartCast TV

What is VIZIO SmartCast?

Smartcast is a capability the TV has using apps on your smartphone or tablet that are capable. If you download the smartcast app on your smartphone or tablet it will give you a list of programs that you can smartcast to the TV, like YouTube, Netflix, and Hulu just some to list.

VIZIO SmartCast Input Not Loading or OK Button Not Working

Fix, VIZIO SmartCast Input Not Loading or OK Button Not Working

Restart the TV

One of the simplest solutions for fixing many errors with the Vizio SmartCast is to restart the television.

  • Unplug the TV from the power source
  • Leave it unplugged for five minutes
  • While still unplugged, press and hold the power button for a full one minute
  • After the one minute, plug it in the power source
  • Turn on the TV

After switching it on, use the menu on your remote to access the previous channels.

Update System Firmware

Vizio SmartCast has been receiving many updates in recent times. If you do not update the system, you will miss out on useful features and bug fixes. Updates will also fix the Vizio TV apps not showing error. Here is how:

  • Turn on the TV and connect to a network
  • Go to Settings
  • Navigate to Systems
  • Select Check for System Updates
  • Confirm you want to check for updates
  • Start installing the updates


After the installation, the TV will restart. You should now watch content without errors.

Factory Reset the TV


This will erase any custom settings that have been made, including but not limited to calibration settings. We recommend taking pictures of the calibration options before this so that you can easily change them back after the Factory Reset.
  • To Factory Reset your TV, press the Menu button on your VIZIO TV remote.
  • Highlight and select the Reset & Admin option.
  • Highlight and select the Reset to the Factory Settings option.
  • Highlight and select the Reset option.
  • Complete the First Time Setup of your TV.

Contact Support

If the error still exists, then you need to contact support for further help. On the other hand, if you have come across a different solution other than those we’ve mentioned here, let us know in the comments below and you could help others who are experiencing the same issue.


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