Fix Vizio TV keeps switching to Smartcast

There are multiple things and options to enjoy with Vizio TV. But it turns out, the more the options, the more chances of issues happening too. This is a fact and we cannot prevent them from arising. But we can solve it. This article shows how to fix Vizio TV keeps switching to smartcast.

Smartcast is a neat way of casting something to Vizio TV. It is handy but could be a pain at times. This article shows how to prevent that from happening. Let us begin this article with the required topics.

Why does Vizio TV keep switching to smartcast?

There are a lot of reasons due to which this could happen. The less common reason is a probable glitch that is causing the television to recall the same code again and again even after you tried to close it.

But there is something else that explains it well. If you previously used smartcast and left it at that the chances of this happening would be high. This is because smart TVs are tuned to start with the previous left media or input device.

Vizio TV keeps switching to smartcast
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Smart televisions work this way so this is not exactly an error. It would be if it persists after you have closed it. Either way, we would be discussing the solution for it in the next part.

SEE ALSO: Fix Vizio TV Turns Off by itself and won’t turn back ON

Fix Vizio TV keeps switching to smartcast

There are simple ways to fix the smartcast issue. The first and most easy one is to provide a reboot to the television. To do this, tap the power button on the remote and let the TV stay closed for some time.

When you restart the television your TV should be now normal and not on smartcast. This method would solve the persisting issue of smartcast. But in cases where this happens due to smartcast being used as the last input, you need to try other things.

To prevent this, all you need to do is switch to s different input. In case you are on smartcast input change to dish or HDMI source and you are good to go.

Next time you boot up your television it would automatically pick from the last source, and that would not be smartcast, hence solving this issue for you.

If you prefer, you can always change back to HDMI after using smartcast so that it never happens again. But this is not a glitch and you should not be worried too much about it.

SEE ALSO: [Fix] Vizio TV lagging, Freezing, Buffering, & Crashing issues

How do I stop smartcast from Auto-switching input?

There is an option that auto enables picking up the last used input source or smart casting service. If your TV keeps going back to smartcast it may very well be due to this option. You can disable it in the following ways:

  • Step 1: Menu button the Remote.

Press the Menu button on your remote. You would find it labeled as MENU clearly and is generally found in the top half of the remote.

  • Step 2: Navigate to the Settings.

Go to the Settings once you have entered the Menu and scroll or move down until you find the right option.

  • Step 3: Locate Smart Interactivity Option.

This is the option we are looking for. The smart Interactivity Option determines all of these things regarding what a TV is going to start on (the input source) and how it functions.

Disable it to stop the AI of your TV and remove the persisting smartcast issue.

How to turn off smartcast without remote

If your remote is not functioning this issue gets slightly tougher. But first of all, you should ensure this is not happening due to your remote. You might not suspect it but it is quite possible.

Remotes work on an integrated chip, and if it was exposed to moisture, fell, or any kind of physical stress then it is likely the cause for persistent Vizio TV keeps switching to smartcast.

Vizio TV keeps switching to smartcast
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Remove the batteries if you think they might be the reason. You can also try other buttons and see if everything is working fine. If it does, your remote is issue-free. Now let us turn off smartcast without the remote.

  • Step 1: Locate back buttons.

Vizio TV has buttons on its back. They are located on the lower left or right side in a vertical arrangement.

  • Step 2: Ensure that the television is on.

  • Step 3: Click on the input/ settings button.

This button is located on the bottom of the vertical button set. Click on it once to enter the settings.

  • Step 4: Reset and Admin Option.

Use the volume button to move through the settings and find the reset and admin Option. You would find lots of options inside.

  • Step 5: Select a soft power cycle.

A soft power cycle would help your television restart and refresh all the codes and clear cache so any glitches and bugs that force it to keep entering smartcast mode are cleared.

You can also try pulling off the power cord for a minute before plugging it back in. This does the same thing as the soft power cycle option but is not an official solution.

Frequently Asked Questions (FAQs):

Q. How do I fix the Vizio Smart cast not working?

A. The power cycle method described above can be used with both remote and without the remote.

Q. How to fix Vizio Smart TV smartcast issue without a remote?

A. You can pull out the power cable or source to the TV or switch it off for some time, preferably for a minute to restore the general functionality of the TV.

Q. What is the use of Vizio smartcast?

A. Vizio smartcast helps you to cast your smartphone screen onto the Vizio TV. You would need to Vizio smartcast app which can be downloaded here.

Q. Why does TV keeps going to smartcast at startup?

A. This is probably because you did not switch off the smart Interactivity Option. Your TV goes back to the last input source you made use of.


The above article discussed ways on how to fix Vizio TV keeps switching to the smartcast issue. I hope it proved helpful to you! Also, read about the Vizio TV internet browser app.

Further Reading:

Fix Vizio TV stuck on Downloading updates

Vizio TV Best Picture settings for Gaming

Best Audio Settings for Vizio TV

How to Fix Vizio TV No Network Detected