4 Easy Possible Solutions To Fix Vizio TV Slow Internet Connection

Vizio is a company based in the United States that creates smart TVs, soundbars, speakers, SmartCast tablets, and other products.

The company has grown in popularity in recent years as a result of their affordable entertainment solutions, which are offered at a surprisingly lower price than multinational brands and provide a whole new range of possibilities with their advanced features.

To understand Vizio Tv slow internet connection issues, it is best to first look at what Vizio TV has to offer and what features are available so that we can better troubleshoot the issues that may be causing you to experience slower internet speeds on your TV.

Vizio’s main products include Smart TVs, SmartCast Tablets, and soundbars, all of which can be connected to the internet and may experience slower internet connections. Let’s take a quick look at each product to get a better understanding of how they work.

4 Ways To Fix Vizio TV Network Connection
4 Ways To Fix Vizio TV Network Connection


Vizio is a growing brand with numerous options, and they offer a wide range of TVs with various features from which to choose. The main reason for Vizio TVs’ popularity is that they are a cost-effective and affordable solution for most home users.

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They allow you to have a 200+ channel subscription and that too for free; all you need is an active internet connection to stream all those channels without any TV subscription on your Vizio TV, and some of your favorite online streaming services, such as HBO Max, are also available for free.

You can select from a variety of TV models based on their features and screen size. Each series provides a number of features and a screen resolution that is comparable to that of any of the popular brands, but at a much lower price.


Soundbars are an important part of any entertainment system. A good sound experience can truly elevate any movie, program, or serial you’re watching on TV.

Vizion TV offers several soundbars that you can connect to the internet to stream your favorite soundtracks or simply connect to your Vizio TV over wifi to ensure that there are no sound lags or other types of connectivity errors and that you get the best possible sound quality.


SmartCast is an affordable solution for most users who cannot afford to upgrade to a smart TV right away. SmartCast tablets can be connected to any existing screen or television, allowing you to enjoy a smart TV experience on any television.

The device can be connected to your TV’s HDMI port and requires a WIFI connection or, in some cases, wired broadband for internet connectivity.

Alternative Video: How To Fix Internet Connection Problems On Vizio TV?

How To Fix Internet Connection Problems On Vizio TV?



  1. On your VIZIO remote, press the menu button.
  2. Navigate down to the ‘Network’ option with the arrow keys, then press the OK button on your remote.
  3. You will be presented with a list of available wireless networks. Select your network and press the OK button.
  4. At this point, you will most likely be prompted to enter your network’s password. Keep in mind that the password is case sensitive and that special characters must be entered.
  5. Your television will now be connected to the network. If you are having trouble with these steps, the troubleshooting steps below may be of assistance.


Connection issues with your Vizio TV can be caused by incorrect setup, wireless interference, or ISP issues. Before contacting Vizio technical support, try these troubleshooting steps for the most common issues.

1. Check Your Wireless Settings

If you’re using a wireless connection, ensure that your TV is properly configured to connect to your wireless router. Also, make sure you’re connected to your own network and not a neighbor’s network on the TV.

  1. On your remote, press the Via or Menu button.
  2. Select HDTV Settings or Settings, followed by Network.

Check that your wireless security key is entered correctly and hasn’t been changed recently. Keep in mind that wireless security keys are case sensitive.

How to Fix Your Vizio TV Network Connection?
How to Fix Your Vizio TV Network Connection?

2. Test Your Connection

Connect another device, such as a computer or smartphone, to your Internet connection to test it. Check to see if it connects with a Web browser or another online service. If it doesn’t connect, you have a problem with your Internet service provider and should contact them.

3. Examine Your Ethernet Cable

If you use a wired connection, ensure that your TV is properly configured for a wired connection and that the cable is securely connected to your TV’s Ethernet port. Examine the cable for physical damage such as kinks, splits, and fraying.

4. Run a Connection Test

Most Internet-capable Vizio TVs include a built-in connection test, which may be able to diagnose connection issues.

  1. On your remote, press the Via or Menu button.
  2. Choose Settings or HDTV Settings, then Network.
  3. To run the connection test, select Test Connection. If the test is successful, you will see the status Connected and a download speed display.

5. Power Cycle Your Devices

A power cycle of your TV, router, and modem can resolve connection issues. Include cable or satellite television set-top boxes in the power cycle. Turn off the following devices in order of greatest to smallest distance from the main Internet connection: TV, set-top box, router, and modem.

When re-booting them, power them on in the following order: modem, router, set-top box, and TV. Some Internet connections, such as AT&T U-Verse, combine the modem and router into a single gateway device.

6. Vizio TV Slow Internet Connection

There are several reasons why your Vizio TV may have a slow internet connection, and you must ensure that you have checked all of these factors to get the best possible speed on your Vizio TV. You must have a fast internet connection to enjoy a seamless streaming experience on Vizio TV.

A slow internet connection can really ruin the streaming experience, so make sure your internet connection is stable and fast by checking the following factors.

Ways To Fix Vizio TV Slow Internet Connection
Ways To Fix Vizio TV Slow Internet Connection

7. Router Settings

There is a chance that your router settings are incorrect, and this is limiting the speed of your Vizio TV. Check for any speed limiters and make sure there are no settings that are causing your Vizio TV to have a lower internet speed or bandwidth.

You can set it to unlimited to ensure optimal internet connectivity on your Vizio TV; however, you must also ensure that the device connectivity limit is not exceeded and that the Vizio TV or SmartCast is connected primarily to your Internet Router.

8. Check Cables

Faulty/damaged cables or connectors that are not properly connected can also result in a slower internet connection on your Vizio TV. While most Vizio TVs and SmartCast tablets come equipped with wifi connectivity, there is a slight possibility that you have a TV or SmartCast tablet that requires a wired connection.

To ensure the fastest internet connection, ensure that the cable connected to the WiFI router and all cables (if any) used to connect Vizio TV to the internet are in good condition and properly connected.

7. Positioning

When it comes to managing the speed of your internet connection over WIFI, the position of your WIFI router and the connected device is also very important. You must place your Vizio TV or SmartCast application within a certain radius of your Wifi Router.

If they are in opposite corners of your house, you may notice a decrease in internet speed on your Vizio TV. The best way to solve this problem is to keep the distance between the two devices as small as possible.

If you are unable to do so because your house is too large for your Wifi Router to process signals at the required speed. You can try replacing your WiFi Router with a more powerful one, or get another router that can be placed close to your Vizio TV, to ensure that you get the fastest possible internet speed on your Vizio TV.

8. Contact Support

If none of the above solutions work for you and you’re still experiencing slow internet speeds on your Vizio TV, it’s time to contact your ISP’s support department and ask for assistance.

They will be able to resolve any issues with signal strength in your area, as well as professionally diagnose your connection and recommend the best possible solution to ensure that your slow internet problem for Vizio TV is permanently resolved.

If your ISP has diagnosed the problem and they are unable to find a problem with your internet connection, you can contact the Vizio TV support department, who will almost certainly be able to figure out a solution for you.

Vizio TV Slow Internet
Vizio TV Slow Internet


This article has provided you with all of the possible solutions for resolving your Vizio TV internet connection problem. It is most likely due to software issues. The software can be improved by installing an update or resetting your Vizio TV; we hope your slow-to-turn-on Vizio TV now works properly.

Frequently Asked Questions

Why is Vizio Smart TV so slow?

A bad network connection is one cause of a slow Vizio TV. Connect another device to your network to test its speed. You could also try connecting your Vizio TV to another Wifi network. Restarting your WiFi router is a useful trick.

How do I check my Internet speed on my Vizio TV?

Vizio: On your VIZIO remote, press the menu button and select Network. Then choose Network Test or Test Connection.

How do I fix the delay on my Vizio TV?

To begin, if you are using a sound bar or sound system, turn off the TV speakers using the Vizio remote, Menu > Audio. The Lip Sync adjustment can also be found in the Audio menu. It will most likely be set to 0.0 with settings ranging from 0.0 to 5.0. Set the value to 2.5, save your changes, and exit.

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I'm a tech writer and editor. I love technology. I'm excited about networking and streaming. I'm always looking for new and exciting ways to use technology. I believe technology can be a force for good in the world, and I strive to use it in my work.

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