Reasons why the computer has no sound and how to fix it

While using the computer, you may encounter a situation where the computer has no sound or no sound. This not only hinders the process of using the device but also causes discomfort for the user. So what causes this trait and how to fix it? Let's find out more with TipsMake in the article below.

Reasons why the computer has no sound

The condition of a computer having no sound is caused by many reasons, the most common of which are:

Hardware error

After a long period of use, some components in the computer may be damaged. This leads to a situation where the computer's sound is lost and cannot be heard.

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Playback Devices are not enabled

During the process of performing the operations, you may have accidentally pressed a certain command line that caused Playback Devices to be turned off, leading to a situation where the computer has no sound.

You can check to see if Playback Devices has been enabled by right-clicking on the speaker icon on the Taskbar and clicking Playback Devices . If the speaker is activated, it will be green.

Due to software conflict

There are many software running on the computer, so there may be conflicts with each other. This is a common cause of a computer having no sound.

Some other subjective errors

If you are using an external speaker and the sound is lost, it could also be due to a loose jack between the speaker and the computer, or the wrong jack being plugged in. In some cases, it may be because you forgot to turn on the speaker or the speaker is at too low a volume level.

Instructions on how to fix a computer that has lost sound

There are many different ways to fix a computer that has lost sound. Depending on the cause, there will be corresponding solutions. If you are experiencing this situation, you can try the methods below.

1. Check the volume on the app

If you open any video in an application and cannot hear sound, but when you open the video file on your computer, the sound still plays normally, then your application may have the sound turned off. In this case you can do the following steps:

1. Step 1: Right-click on the speaker icon on the Taskbar > Click Open Volume mixer .

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1. Step 2: Click on the speaker icon on the application's volume bar to turn on the sound, slide up or down to adjust the appropriate volume.

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2. Check your web browser

If while watching movies or surfing the web you cannot hear the sound or some websites have no sound, it may be due to the sound settings of the web browser. To fix this situation you can do the following steps:

1. Step 1: First, go to Settings of your web browser > Select Privacy and security > Click Website Settings .

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1. Step 2: In the Content section , select Other content options > Click Sound .

1. Step 3: Then, slide to turn on Allow websites to play sound . Here you can also check which websites are muted in the Mute section > Click on the three vertical dots icon > Click Delete to open the sound of that website. 

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3. Check the output power

Computers always have a lot of output devices. Therefore, if your computer has no sound, you can check the output source to see if it is compatible with your device. 

To check, first click on the speaker icon on the Taskbar > Then, select the up arrow icon to open the list of audio devices currently connected to your computer.

4. Check the port connecting to the speaker or headphone

If you cannot hear any sound when connecting your computer to speakers or headphones, you should check the connection port. Some common cases of audio errors related to the connection port are: Plugging into the wrong port (because the microphone and audio ports both use 3.5 mm jacks), the plug is open,.

5. Check audio settings

Checking your sound settings is also essential if your computer has no sound. This check is to ensure that the audio settings are still operating normally. Specifically:

1. Is your speaker's battery dead or have you not plugged it into a power source?
2. Are your headphones damaged or broken somewhere?
3. If you use a Bluetooth-connected speaker, check that the audio device and computer have Bluetooth turned on.

6. Restart Windows

The simplest way to fix the problem of losing sound on your computer is to restart Windows. Restarting the computer will help sound-related problems be resolved quickly.

To restart Windows, you just need to do the following: Click the key combination Alt + F4 > Click the drop-down arrow symbol, click Restart > Click OK .

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7. Restart Audio Services

One of the most common causes of loss of sound on computers is that Audio Services is turned off or has a problem. If you encounter this situation, restart Audio Services by following these steps:

1. Step 1: Press the key combination Window + R to open the Run dialog box > Type ' services.msc ' in the search box > Click the OK button .

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1. Step 2: Find the Windows Audio section > Right click and select Restart .

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8. Use Microsoft FixIt Troubleshooters

Microsoft has now provided users with the ability to detect and fix common errors during computer use such as printer errors, sound errors, network connection errors, etc.

Therefore, if your computer loses sound, you can use this tool to fix it by: Open Settings > Click Update & Security > Click Troubleshoot > Click Playing Audio > Click Run the troubleshooter .

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9. Use Windows Audio Troubleshooter

Windows Audio Troubleshooter is a superior feature that Windows 10 integrates into the operating system to help find and fix audio errors easily. To use this feature, just right-click on the speaker icon located in the bottom right corner of the screen > Click Troubleshoot sound problems .

10. Use Driver Booster's Fix No Sound tool

Driver Booster is a software that allows automatic driver updates, extremely simple to use. The application's Fix No Sound tool will be able to assist users in fixing some common sound loss errors on computers.

To use the Fix No Sound feature, open Driver Booster > Click on Tools (with a screw and wrench icon) > Click Fix No Sound > Select Fix .

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11. Set your audio device as default

If you often work with 2 screens, the computer cannot hear sound, it may be because you have chosen to use a screen that does not have built-in speakers as the default output device. Therefore, to overcome this situation, set an audio device such as headphones or speakers as the default choice.

Go to Control Panel > Select Sound > In the Playback section , select the audio device you want to set as the default device > Click Set Default > Click the OK button .

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12. Update audio driver

You can't hear sound from your computer, it could also be because the sound driver is too old. What you need to do to fix this situation is to update the sound driver to the new version. This also helps the sound operate more stable and smoother.

To update your audio driver, follow these steps:

1. Step 1: First, use the key combination Window + R to open the Run dialog box > Then type in the command line ' devmgmt.msc ' > Click the OK button .

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Type the command 'devmgmt.msc'.

1. Step 2: Next, click on Sound, video and game controllers > Right click on your sound driver name, select Update driver .

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1. Step 3: Finally, you just need to select Search automatically for updated driver software to let Windows search and update your audio driver to a newer version.

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13. Reinstall the audio driver

If you have updated the audio driver to a newer version but your computer still cannot hear sound, try reinstalling the audio driver. You can do the following 3 steps to reinstall the audio driver for your computer:

1. Step 1: Press the key combination Window + R to open the Run dialog box > Type ' devmgmt.msc ' > Click the OK button .
2. Step 2: Next, click on Sound, video and game controllers > Right-click on your sound driver name, select Uninstall device > Click Uninstall.

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1. Step 3: Finally, you just need to restart your computer so that Windows can detect the audio driver that is missing and reinstall it.

14. Adjust the default audio format

Audio formats can be changed during use, leading to incompatibility and causing the computer to lose sound. To adjust the default audio format you can do the following:

1. Step 1: Go to Control Panel > Click Sound > In the Playback section , select the audio device whose format you want to adjust > Click Properties .
2. Step 2: Next, select the Advanced tab > In the Default Format section , select the frequency as 24 bit, 44100 Hz or 24 bit, 192,000 Hz > Click the Apply button > Click OK to save the settings.

15. Update BIOS

Updating the BIOS will help your computer operate more smoothly and stably, and help fix sound problems. You can search for information about BIOS updates on the company's website to update in the most accurate and safe way. Following the 4 steps below will help you update BIOS quickly:

1. Step 1: Check the BIOS version your computer is using by pressing the Windows + R key combination > Type ' msinfo32 ' into the box > Click the OK button .
2. Step 2: Download the appropriate update on the mainboard manufacturer's website.
3. Step 3: Carefully read the update's accompanying documents.
4. Step 4: Proceed to update BIOS.

Note: During the BIOS update process, you need to ensure power for the computer. If during the update process there is a power outage or sudden shutdown, this may cause an error.

16. Check DPC latency

Deferred Procedure Call (DPC) is called Deferred Procedure Call, it allows high priority tasks to be executed first and postpones required but low priority tasks. than.

If this delay is too large, it can lead to problems with some tasks, including audio playback. Therefore, you can use DPC Latency Checker software to check DPC latency and disable, delete or update the drivers that are generating errors.

Download link: https://taimienphi.vn/download-dpc-latency-checker-65523

17. Disable audio upgrader

Windows 10 provides computer users with a sound upgrade process with a variety of different effects. Thereby helping the user's audio experience become better. However, this sound upgrader sometimes causes the computer to have no sound.

Therefore, if you encounter this situation, try disabling the sound upgrader in Windows 10 with these 2 simple steps:

1. Step 1: Go to Control Panel > Click Sound > In the Playback section , select the device for which you want to disable the sound upgrade > Click Properties .
2. Step 2: Next, select the Advanced tab > Uncheck the Enable audio enhancemen ts line to turn off the audio enhancer > Click Apply > Click the OK button to complete.

18. Disable Exclusive Mode

While using the computer, some audio applications will take exclusive control of the audio device's driver, resulting in other applications not being able to play audio at the same time. This is called Exclusive Mode.

If your computer is experiencing loss of sound, try turning it off with these steps:

1. Step 1: Start Control Panel > Click Sound > Select the audio device you want to disable Exclusive Mode in the Playback section > Select Properties .
2. Step 2: Select the Advanced tab > Uncheck the 2 lines in the Exclusive Mode section > Click the Apply button > Click the OK button .

19. Upgrade Windows 10 version

Old versions of Windows are also the reason why computers lose sound. Therefore, you can upgrade your Windows 10 version to fix the loss of sound on your computer.

To update Windows 10, open Settings > Select Update & Security > Select Windows Update > Click the Download button to download the latest version of Windows 10.

20. Upgrade operating system

Old operating systems such as Windows XP/7/8.1 are outdated and no longer compatible with updates from Microsoft. Therefore, problems such as loss of sound will occur and are difficult to completely fix. At this time, you need to upgrade the operating system to make your computer operate more stably as well as help handle sound problems.

Epilogue

Above are the causes and some ways to fix the problem of no sound on the computer. Hopefully the above sharing can help you solve sound error problems on your computer. If there is any other more effective solution, please leave a comment below. Thank you for following the article.

Isabella Humphrey

Update 10 October 2023