How To Fix “SmartCast Not Working”

SmartCast Not Working

SmartCast is a proprietary technology developed by VIZIO, allowing users to cast content from their mobile devices or computers to VIZIO SmartCast TVs. However, users may encounter issues with SmartCast not working, interrupting their enjoyment of media.

This article provides a detailed look at the causes of this issue and step-by-step solutions to bring SmartCast back to life.

SmartCast Not Working

Causes of Troubleshooting SmartCast Not Working Issue

Understanding why SmartCast isn’t working helps troubleshoot the problem effectively. Here are some common causes:

1. Internet Connection Issues: The most common cause of SmartCast not working is poor or unstable internet connection. Your device and the SmartCast TV need a stable connection to work optimally.

2. Outdated SmartCast App or TV Firmware: An outdated version of the SmartCast app or your TV’s firmware can also cause issues.

3. Temporary Glitches: Sometimes, temporary glitches in the TV or the app can prevent SmartCast from functioning properly.

Solution to Fix Troubleshooting SmartCast Not Working Issue

With a clear understanding of the causes, let’s move on to the solutions. Here are some methods to resolve the “SmartCast not working” issue:

Solution 1. Check and Improve Internet Connection

Step 1: Ensure that both your device and SmartCast TV are connected to the same network.

Step 2: Test your internet speed to ensure it is fast enough for streaming. If it’s slow, restart your router or contact your Internet Service Provider.

Solution 2. Update SmartCast App and TV Firmware

Step 1: Update the SmartCast app on your device via your device’s app store.

Step 2: For the TV firmware, go to the ‘Settings’ menu on your TV, then to ‘System’ > ‘System Update’ to check for updates.

Solution 3. Power Cycle Your TV and Connected Devices

Step 1: Turn off your TV and the device from which you are casting.

Step 2: Unplug them from the power source.

Step 3: After waiting for a few minutes, plug them back in and turn them on. This process can often resolve any temporary glitches.

4. Factory Reset Your TV

If the previous solutions don’t work, you might need to resort to a factory reset.

Step 1: Go to the ‘Settings’ menu on your TV.

Step 2: Navigate to ‘System’ > ‘Reset & Admin’ > ‘Reset TV to Factory Settings.’

Note: This will erase any custom settings on your TV, and you’ll need to set it up again.


While SmartCast not working can disrupt your entertainment flow, the solutions provided here can help restore functionality swiftly.

These steps range from improving your internet connection to updating your app and firmware, power cycling your devices, or, as a last resort, performing a factory reset.

So next time your SmartCast decides to take a break, you’ll know just how to bring it back into action.

Frequently Asked Questions

Here are some frequently asked questions to the topic:

1. Q: Why is my VIZIO SmartCast not working?

A: The most common reasons for VIZIO SmartCast not working include internet connection issues, an outdated SmartCast app or TV firmware, or temporary glitches with your TV or the app.

2. Q: How do I fix the “SmartCast is starting up. Please wait…” message?

A: This message may appear due to a slow or unstable internet connection. Ensure your TV is connected to a stable internet connection. If the problem persists, you may need to reset your router or contact your Internet Service Provider (ISP).

3. Q: Why can’t my device find my SmartCast TV?

A: This could be due to your TV and the casting device not being connected to the same network. Ensure both devices are on the same network and try again. If they already are, try resetting your router to resolve any network conflicts.

4. Q: How do I update my SmartCast App or TV firmware?

A: You can update the SmartCast App from your device’s app store. For the TV firmware, navigate to ‘Settings’ > ‘System’ > ‘System Update’ on your TV’s menu.

5. Q: Will I lose my settings if I factory reset my VIZIO TV?

A: Yes, performing a factory reset will erase all personalized settings and preferences. You’ll need to set up your TV again after the reset.

6. Q: How can I contact VIZIO support for my SmartCast issues?

A: You can reach out to VIZIO support through their official website or via their dedicated support hotline. They provide assistance for troubleshooting and technical issues.


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