How to Fix Onn TV Sound Issues (2023)

onn Roku TVs are one of the most well-known budget smart TVs with a built-in Roku platform. Like other smart TV brands, they are available in various display types and sizes. However, one of its most common problems is onn TV sound issues.

How to Fix Onn TV Sound Issues (2022)

This can vary from audio problems, like dropouts, distortions, and others. This guide will show you how to fix Onn TV no sound and other Onn TV sound problems. Read on to know more.


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Fixing Onn Roku TV Sound Not Working Issue

Various audio issues with a budget smart TV like Onn TV are common. It’s caused by different factors, such as faulty cable connections, glitches, outdated software, and damaged hardware. When fixing this issue, don’t forget to replace the batteries first for your Onn TV’s remote in case you cannot adjust the volume due to faulty batteries.

Below are some fixes to help solve the Onn Roku TV volume not working and other similar problems. Remember to go over each fix and see which works best for your Onn smart TV.


Fix #1: Check All Cable Connections

One of the leading causes of Onn TV sound issues is loose or broken cables, specifically audio-related ones. After turning off your Onn Roku TV, disconnect all cables and check if they’re in good condition. Then, check all HDMI, A/V, and other audio ports on your smart TV to see if they’re blocked by dust and debris.

Next, reconnect all cables and ensure they’re inserted into the correct ports. If you’re using a Roku soundbar or other audio equipment along with your Onn TV, ensure that the proper cables are connected to it snuggly.


Fix #2: Power Cycle Your Onn Roku TV

Power cycling your Onn Roku TV re-initializes all of its internal components. It helps solve audio issues caused by glitches and bugs. To power cycle your Onn TV, follow these steps:

  1. Turn off your Onn Roku TV and unplug its power cable from the socket.
  2. Wait for 30 seconds to drain the power.
  3. Plug the power cable back in and switch on your Onn TV. Try playing any media content and check if the TV has sound.


Fix #3: Change the Audio Settings

You might have Onn TV sound problems when the audio settings are not configured correctly. After ensuring that all audio cables are in good condition and connected to the correct ports, you can set the proper audio settings for your Onn Roku TV.

To set up an Onn Roku TV that’s linked to a Roku soundbar or A/V receiver via an optical (TOSLink) cable, follow the steps below:

  1. Switch on your Onn TV and press the Home button on the remote.
  2. Select Settings > Audio and set it from HDMI and S/PDIF to Dolby Digital (Dolby D).

If your Onn Roku TV is linked to a Roku soundbar or A/V receiver via HDMI, proceed to these steps:

  1. Turn on your Roku TV and press the Home button on the remote.
  2. Go to Settings > Audio and change Audio mode to Stereo.
  3. Set HDMI to PCM-Stereo.

After adjusting by following one of the steps above, try playing audio on your Onn TV and check if you can hear sound. If you are interested in finding out more about the audio formats, please read our article which compares Bitstream vs PCM to find out which is best for you.


Fix #4: Disable Volume Mode and Video Refresh Settings

Sometimes, you might hear distorted or garbled audio while playing media on your Onn Roku TV. What you can try to do is to disable the Volume Mode feature on your Onn Roku TV. To do this, follow the steps below:

  1. Switch on your Onn TV and play your desired video.
  2. Press the Option (*) button on the remote and choose Volume Mode.
  3. Set it to Off.

On the other hand, if the audio is not in sync with the video you’re playing, you can adjust the video refresh settings. To change this feature via Settings, proceed to the steps below:

  1. Turn on your Onn Roku TV and press the Home button on the remote.
  2. Choose Settings > System and choose Advanced system settings.
  3. Select Advanced display settings and set Auto-adjust display refresh rate to Disabled.


Fix #5: Update Your Onn Roku TV’s Firmware

Another potential fix to audio problems on Onn Roku TVs is updating its firmware. Specific updates contain fixes to bugs that might cause audio issues on your TV. After connecting your Onn TV to a stable Wi-Fi connection, follow these steps:

  1. Switch on your Onn TV and press the Home button on the remote.
  2. Go to Settings > System and choose System Update.
  3. Select Check Now. Your smart TV will now search for the latest software updates available.
  4. Once an update is downloaded, select Update to install it on your Onn TV.
  5. After the update is complete, reboot your TV and play any media stored on it. Check if you can hear the audio.

Are you interested in finding out more about your TV. Check out who makes Onn TVs for more info.


Final Thoughts

Onn Roku TVs is one of the most budget-friendly smart TVs available today. It has Roku built-in, which allows you to access various channels and streaming apps. However, it’s possible to face Onn TV sound issues when using your Onn Roku TV to watch and stream movies.

Hopefully, this guide helps you to solve Onn TV sound problems. If these fixes were ineffective, try contacting Onn TV Support for further assistance.