How to Fix a TV With No Sound But Picture | Not Muted

Last updated on May 23rd, 2022 at 08:22 pm

If you can see the picture but not hear the sound on your TV, you can fix the problem yourself if it is not due to hardware malfunctioning. Most of the time no sound problem is solved in minutes no matter whether you have Samsung, Sony, LG, Vizio, or any other brand TV.

Even when your TV is not muted, you just see the picture but no sound. The reason may be because it is not a problem related to mute but some other settings or hardware functionality is missing.

No sound but picture problem occurs almost in all the TVs and most of the times it is fixed too.

Fix a TV With No Sound But Picture-Not Muted

Before you seek any professional service, make sure to troubleshoot the problem with several steps.

Mostly there is a change in the setting of your TV, any cable is disconnected or get loose which causes a sudden loss of sound but still picture can be seen on the TV.

Caution:
It is not recommended to open or manipulate your TV unless you know what you are doing as doing so can further damage the product.

Reasons For “No Sound But Picture”

There are several reasons when you hear no sound but see the picture on your Samsung. LG, Vizio, Sony, TCL, Insignia, Hisense, Sharp, Philips, Panasonic, Toshiba, Sanyo, or any other brand TV.

Knowing exactly what is the reason behind the problem you can easily find a solution.

The most difficult part of a solution is the root cause of the problem and once you have found it there is nothing much more complicated to deal with.

If the problem is curable by yourself, you can do it otherwise get some professional support.

Here are a few causes of “No sound but picture”

  • TV is muted
  • Volume is turned down
  • A reboot may be pending
  • Your TV is set to the Secondary Audio Protocol
  • TV Audio input is changed, like to AUX
  • The channel currently playing may not have audio
  • There may be a headphone connected to your TV
  • A connection cable may have got loose or disconnected
  • Built-in TV speakers have damaged
  • Elements on the mainboard may have damaged
  • Signal Source may be damaged
  • TV Software is outdated
  • The settings of your TV have corrupted

These were a few causes of the problem. Now we move to the solution to all these problems.

Once you have found the culprit, things will get much easier to handle.

Some Basic Checks

Here are a few checks that can help you solve the problem and get back your TV sound.

Double Check Mute

Mute can fully disable the sound on your TV. So, it is very important to double-check this setting.

Sometimes, anyone other than you can mute the sound and you may not know about it.

Even if you have checked it earlier, we recommend checking it now to proceed further.

Turn Up Volume

If the volume is turned to zero or a very low level you will not get any sound coming from the TV.

Check your TV speakers’ volume and if you are using External TV Speakers, make sure to check their volume is high.

Moreover, check the volume of the connected device. Many media devices take control of your TV and its volume. If the volume is zero on them, no sound will come from your TV.

Switch The TV Channel

Sometimes there occurs a transmission problem and you fail to get sound from a particular channel.

The problem is not on your end. You should change different channels and see if you get the sound.

The problem could be on your end if you don’t hear sound at any channel.

Check Headphone Port

A headphone may be connected to your TV that is away from your eyes. Mostly the headphone jack is in front of your TV.

So check if the headphone jack is empty and nothing is plugged in there.

Examine Connection Cables

Sometimes plugging or unplugging can leave the connecting cables slightly loose or disconnected.

It is also possible that you moved the TV which loosens the cables. This can result in no sound and you will just see the picture.

It is better to plug all the connecting cables again to make sure they are connected properly.

If you see any damage to a cable, try changing that cable as it may have been damaged.

Moreover, clean the connection ports to remove any debris. Accumulated lint is one of the common causes for loose connections.

Check External Speakers

To check if the TV is delivering the sound, you should connect an external audio device like a receiver, surround sound, or any other device to play audio.

Test if you can hear the audio from external speakers. Connect them with some other device to check their performance.

Check TV Settings

TV Settings

Some wrong settings can also cause no sound issue on your TV. You have to check the following settings;

Disable Secondary Audio Protocol

You will not get any sound from your TV speakers if your TV is set to Secondary Audio Protocol (SAP).

This feature functions to play a program in a language different than the language in which it was recorded. So, you can watch an international program in your local language.

However, this feature is available on antennae, set-top boxes, DVR, satellite receivers, or other media devices. You can turn SAP by the following method;

  1. Check your TV remote control to find the ‘SAP’, ‘MTS’ or ‘AUDIO’ button. Press any of these buttons to turn OFF/ON the SAP feature.
  2. If your TV remote does not have these buttons then you can disable SAP from the settings.
  3. Press the ‘Menu’ button on the remote control and choose ‘Settings’.
  4. Click on ‘Audio’ settings, find the ‘SAP’ option, and disable it.

Read our article: How to Disable SAP on Various TVs

TV Audio Input Settings

Sometimes audio input is changed accidentally by you or anyone else having remote of your TV and you are unaware of it.

For example if anyone with the remote of TV presses “AUX” button, the audio input will be set to AUX but there will be no such device connected.

In this case the audio will be playing through the device that is not actually connected to the TV.

So double-check that you are using the right input option.

Troubleshooting the TV with no Sound

Now, we will apply some quick and effective troubleshooting tricks to fix the sound issue.

Reboot The TV

All the gears need to be rebooted overtime to keep running properly. For every electrical equipment, a reboot always works as a little reset and solves a lot of problems.

You should also try turning off your TV and other devices connected to it. If there is any temporary problem, it could be solved just by a reboot.

Reset The TV

Change in settings can cause a lot of problems. Especially, when you change the settings you don’t know about them, they disturb the functionality of the device.

As with TV we often change things even if we don’t have complete information about them. To get factory settings of your TV, the best solution is to restore the TV to its default settings.

This could erase all your data but it is the only step to make sure that all the settings are fine.

This sometimes solves the problem. If the problem persists, we will be sure at least that settings are ok and will be able to proceed further to next steps.

To restore your TV, press and hold the menu button for 10 seconds and the restore tab will open. Then follow the on-screen instructions to complete the reset.

The restore method will vary according to the model and brand of your TV.

Check TV Software For Update

Outdated software or driver can affect the TV sound on a few or all the channels.

You should check which version of software your TV is currently using. TV manual can help you a lot in this case.

Check if there are updates available to the software. If an update is available you need to update it at the earliest.

TV software can be automatically updated if connected to the internet. You can also update it manually VIA USB drive.

Inspect the Hardware 

If nothing works, the hardware of your TV may be faulty. It can be a small defective component or a larger part that has failed.

Damaged Built-in TV Speakers

If you are getting sound from external speakers while not from built-in TV speakers but seeing the picture, your TV speakers may have damaged.

There are a few chances that any circuit in the TV is damaged.

Signal Source is Damaged

Another major cause that can also cause “No sound” problem is weak signal strength. The signal’s strength must be greater than 20db.

You can perform a signal check by going into the settings of your TV. Open support, self-diagnosis, and signal information.

Damaged Mainboard Elements

Mainboard also referred to as the motherboard is the main part of TV. Damage to any element of this board can disable the functionality of your TV and you may encounter problems like getting no sound but picture.

It is not possible for a regular person to deal with the problems related to the mainboard as a mistake can cause further problems.

You can deal with the problem if you know exactly what you are doing. Otherwise, you should get professional support to solve such problems.

Also Read: The Best Equalizer Settings For TV

Watch Video For Troubleshooting no Sound

FAQs

As a TV owner, you may face some other similar issues at times. Hence, we are trying to solve them quickly in the question/answer session;

Why my TV screen is black and has no sound?

If the power indicator is ON, the software of your TV may be the culprit. Update the software, reset your TV, check all the connections, clean the ports, test the video or source device, and change the channels. If nothing works, examine the TV hardware.

How to reset my TV?

You can power cycle or soft reset all TVs by a common method. Plug out your TV from the wall power outlet while it is ON. Wait for 30-60 seconds and plug it again. Repeat the process twice or thrice if the first attempt does not work. Read the user manual or search through the settings to factory reset your particular TV.

Why my TV is flickering or turning ON/OFF?

The flickering screen indicates bad connections. Check your antenna, set-top box, satellite box, or any other video device. Disconnect and reconnect all the connection cables. Also, check the power cord and replace it if necessary.

Why my TV screen is frozen and does not respond?

Just like a smartphone, a smart TV can also hang. The most common reasons are software glitches, pending updates, buggy apps, poor internet connection, and the source devices. So, you should check all these things, reset, and update your TV.

Is it worth repairing the hardware of my TV?

It depends on the type of hardware fault diagnosed in your TV. Sometimes, the repair is cheap, and replacing a small part can fix the TV. However, some replacements such as a TV screen, control board, or backlight can be too costly. So, in this case, it is not worth repairing the TV, instead, buy a new one.

 

Final Thoughts on “No Sound From TV”

These were almost 14 possible solutions that can Fix a TV With No Sound But Picture.

Any of these solutions will work great for you and you will get your TV sound back as soon as possible.

If after following all the steps, your TV is still showing the picture but there is no sound coming out, you should call a professional or contact the company to solve the problem.

Noor Alam

Hi, I’m Noor Alam, founder of SpeakersMag.com. I love music and got my Bachelor’s degree in Sound Engineering. Now I have started my own blog about music products. Just like you, I also love different music products and in my spare time, I share my knowledge with audio lovers on this site. Read more about me

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