Vizio Soundbar Blinking Blue Light: Causes & Fixes

If you’re dealing with a blinking blue light on a Vizio soundbar, and you’re looking for a fix, then you’re on the right page. 

This article will provide a comprehensive look at the possible causes of a blinking blue light on a Vizio soundbar and the steps that can be taken to fix the problem.

Vizio Soundbar Blinking Blue Light: Common Causes

vizio soundbar blinking blue light

1. Power Problems

When you noticed the blue light blinking, the first thing you would want to check is the power connection. Power problems are common causes of a blinking blue light on a Vizio soundbar.

This can be caused by a number of issues, including a lack of power to the soundbar, a problem with the power cord or outlet, or a faulty power supply.

2. Audio or Connectivity Issues 

Another common issue is an audio or connectivity issue. This can be caused by a number of factors, including problems with the audio settings, issues with the soundbar’s connection to the TV or other devices, or a problem with the soundbar’s firmware.

3. Remote Control Issues 

A blinking blue light on a Vizio soundbar can also be caused by problems with the remote control. This can include issues with the batteries, a problem with the remote’s connection to the soundbar, or a malfunctioning remote.

4. Hardware Issues 

Hardware issues could also be the cause of the problem. This can include issues with the soundbar’s speakers, internal components, or connections. 

5. Interference 

The blinking blue light can also be caused by interference from other electronic devices in the vicinity. This could be due to other soundbars, Bluetooth devices, or wireless routers. 

Vizio Soundbar Blinking Blue Light: DIY Fixes

1. Fix the Power Problem

  • Make sure the soundbar is properly plugged in and that the outlet is working.
  • Check the power cord for any damage or fraying.
  • If this fix doesn’t work, try using a different power outlet or power cord.

2. Check the Audio and Connectivity

  • Check the audio settings on the soundbar and the connected TV or device to make sure they are set correctly.
  • Make sure the soundbar is properly connected to the TV or other device.
  • Check for any firmware updates and apply them if necessary.
  • Try resetting the soundbar to its factory settings.

3. Check the Remote Control

  • Check the batteries in the remote control and replace them if they are low or dead.
  • Make sure the remote control is properly paired with the soundbar.
  • Try using a different remote control to see if the issue persists.

4. Inspect the Hardware

  • Check the speakers for any physical damage or loose connections. 
  • Inspect the soundbar’s internal components for any signs of damage or wear. 
  • Try unplugging the soundbar and plugging it back in to reseat any connections. 
  • If the problem is still unresolved, consider contacting Vizio customer support or taking the soundbar to a professional for repairs.

5. Remove Interferences

  • Try moving the soundbar or other electronic devices away from each other to reduce interference. 
  • Change the channel of your wireless router 
  • Consider disabling Bluetooth on other devices or turning them off when not in use. 
  • Check for any nearby devices that may be causing interference, such as microwaves or cordless phones, and move them away from the soundbar.

Maintaining a Vizio Soundbar: A Brief Guide

Keeping your Vizio soundbar in good working condition requires regular maintenance and care. This guide will provide tips and instructions on how to maintain your Vizio soundbar to ensure it continues to provide high-quality sound for years to come.

Cleaning the Soundbar 

Regular cleaning of your Vizio soundbar is important to keep it free of dust and debris that can accumulate and affect the sound quality. To clean your soundbar, follow these steps:

  • Unplug the soundbar from the power source. 
  • Use a dry, soft cloth to wipe down the exterior of the soundbar, including the speakers and grills. 
  • Use a slightly damp cloth to wipe down the exterior of the soundbar, being careful not to let any moisture seep into the speakers or other openings. 
  • Allow the soundbar to dry completely before plugging it back in.

Checking Connections 

Next, check the connections between the soundbar and the TV or other devices. Follow the steps below to check the connections:

  • Unplug the soundbar from the power source. 
  • Inspect the connections between the soundbar and the TV or other devices for any loose or damaged cables.
  • Ensure that the connections are secure and properly plugged in.
  • Plug the soundbar back in and test the sound to ensure the connections are working properly.

Updating Firmware 

Updating the firmware on your Vizio soundbar can help improve its performance and fix any bugs or issues. To update the firmware on your soundbar, you should:

  • Check the Vizio website for any available firmware updates for your specific soundbar model. 
  • Download the firmware update and save it to a USB drive. 
  • Plug the USB drive into the soundbar and follow the on-screen instructions to install the firmware update. 
  • Once the update is complete, test the soundbar to ensure it is working properly.

Storing the Soundbar 

When not in use, it is important to properly store the soundbar to protect it from damage. To store the soundbar, you need to:

  • Unplug the soundbar from the power source and other devices. • Remove any batteries from the remote control.
  • Wipe down the soundbar with a dry, soft cloth to remove any dust or debris. 
  • Store the soundbar in a cool, dry place, away from direct sunlight and heat sources. 
  • Consider using a cover or other protective casing to keep the soundbar safe while in storage.


The issue of a blinking blue light on a Vizio soundbar could be simple or complex. Sometimes, it could be an issue with the power or something more complex like hardware or connectivity issues. 

By following the troubleshooting steps we have provided in this guide, you can identify the cause of the problem and take the necessary steps to fix it. 


  • Lawrence Munson

    I'm Lawrence Munson, a tech blogger and audio enthusiast. is where I share my thoughts and findings on the latest audio gear such as earphones, soundbars, subwoofers, equalizers, etc. I love to test new products to help my readers understand and enjoy their devices better, and I'm always eager to share my knowledge about audio technology and how it works.