Causes of computer loss of sound and how to fix it

Computer lost sound is one of the unexpected errors that users may encounter during use. So what is the cause and how to fix it? Find out with HC in the article below

1. Causes of laptop loss of sound

There are many causes for this condition laptop and the computer loses its voice, but most of it is due to the following reasons:

1.1. Laptop has not enabled Playback Devices

– During the operation, you may mistakenly press a certain command to turn off Playback Devices, causing the laptop and computer to lose sound.

– You check by right-clicking on the speaker icon on the Taskbar, select Playback Devices. The activated speaker will be blue.

1.2. Due to software conflicts

– On the computer running software conflicts with each other can be the cause of the laptop, computer not receiving speakers.

1.3. Due to hardware failure

The computer after a long time of use may be damaged by some components, leading to the loss of sound.

1.4. Subjective errors such as not turning on the speaker, loose jack, speaker volume is too low

– If the laptop uses external speakers, but the speaker loses sound, it may be because the speaker jack with the computer is loose, plugged in the wrong jack.

– In some cases, forgetting to turn on the speaker, the speaker is at low volume is also one of the reasons why the computer has no sound.

2. How to fix laptop, computer has no sound

Here’s how to fix laptop speakers that can’t be heard according to their respective causes.

2.1. Check the volume

– There are times when you accidentally turn off the sound of the device with a keyboard command without you realizing it, so you should check the volume both on the computer and the external speakers to make sure the speakers are turned on and the level is correct. The volume is just enough for the speaker to make sound.

– You click on the speaker icon on the Taskbar to check. The sound is already on when the speaker icon is blue.

2.2. Check the volume on the app

– Make sure the sound in the running program is turned on, many programs have their own volume control.

– Example: DVD Player with its own sound control or volume up in Youtube.

2.3. Restart Windows

– After checking the speaker volume, application volume but the device is still muted, try shutting down and restarting.

– When restarting the machine will reset the system to its original state, this can fix the sound loss caused by the operating system, due to software conflicts, …

2.4. Check your computer’s audio drivers

– Step first: To check your device’s audio driver, right-click the speaker icon on the Taskbar. On the panel that appears, select “Playback Devices”.

– Step 2: Next, select the “speakers” icon (Speakers) to fix the computer with no sound.

– Step 3: Click “Properties”.

– Step 4: At the bottom of the window select “Use this Device (enable)” and then click “OK”.

2.5. Check the connection to the speaker or headset

– As you can see, in order for sound to go into headphones or external speakers you need to plug the jack into the Line-out port. On the other hand, if you can’t hear anything from the built-in speakers, there may be something you’ve plugged into the output port, which will automatically prevent sound from playing through regular computer speakers. So check the ports and make sure everything is connected properly.

>> See also: Causes and fix cracked laptop speakers extremely fast when your computer has some problems.

– Also if you are connecting HDMI to a monitor with built-in speakers, the sound may disappear because the HDMI video card is not the default audio device.

2.6. Using Microsoft FixIt Troubleshooters

– Microsoft has several FixIt solutions for sound problems in Windows.

– With Windows 7 you go to “Start” select “Control Panel” > select “Troubleshooting” > Under “Hardware and Sound” select “Troubleshoot audio playback” > On the new window that appears, select [Next] to run the audio fixer program.

2.7. Update BIOS

– Some Sony and Toshiba laptops need a “BIOS update” for the sound to work. The bar stops working when you upgrade your computer or download some updates. You need to visit the computer manufacturer’s website and download the latest BIOS.

– Another thing you can do is go into BIOS and make sure that “sound card is enabled”. Sometimes the sound device is disabled in the BIOS, so no matter what you do in Windows, it won’t fix the computer’s sound loss.

2.8. Uninstall Sound Driver then reinstall it

– One more thing you can try to do to Computer lost sound the computer is to uninstall the Sound Driver audio manager and then reinstall it.

– Proceed as follows:

Step 1: Go to “Control Panel” and select “Device Manager”.

Step 2: Click on “Sound, video and game controllers”.

Step 3: Right click on “High Definition Audio Device” select “Uninstall”. Then shutdown and “reboot”, the computer will “automatically reset the Sound device” to complete.

With the above information, I wish you to fix the situation Computer lost sound successful. Thanks for following the post.

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