How to Resolve No Sound on Windows Computer

One of the most common issues experienced in computers is "no sound" problem. The issue can be due to incorrect volume settings, cable connections not connected properly or corrupted audio drivers.
Steps
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Adjust the sound settings
You will find a Sound icon in the task bar, right click on it and select “Adjust Audio Properties” and ensure that the checkbox beside Mute is unchecked. If this box is checked, uncheck it and click on Advanced and move the sliders so that all the Settings are set to their maximum.
In windows vista and Windows 7, we have Volume Mixer. Make sure that mute is not enabled and slider is at is maximum position.
If the audio icon is missing from the task bar, click on Start menu and select Control Panel.
If you are Classic View, double click on “Sounds and Audio devices” and select the checkbox beside Place Volume icon in the taskbar and click on OK.
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Test with different audio applications such as Real Player or VLC player.
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Install Audio Codecs
You may face sound problems when the required codecs are missing, therefore I recommend you to install audio codecs that are required for your windows.
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Visit the link to download audio codecs for free.
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Try System Restore.
If the issue persists after adjusting the audio settings then perform System Restore
In windows xp, Click on Start menu and select All Programs
Click on Accessories and System Tools, select System Restore to open it.
In windows 7 and Vista, click on Start button and just type system restore in Search.
Select System Restore from the results.
Follow the System Restore wizard by selecting the first option “Restore my computer to an earlier time”.
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After you have restored your notebook to a previous time, check the sound in the notebook.
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If restoring the System will not fix the issue, try the following steps:
Windows Audio Service
Check with the audio service i.e Windows Audio Service,
Hold Windows Key and R simultaneously which will open Run window.
Enter services.msc and click on OK.
If the operating system is Vista enter services.msc in the Start Search and double click on services.msc from the results.
The services window opens, move down to Windows Audio service, check if the Startup Type is Automatic and if not, change it to Automatic.
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Right click on the Windows Audio and choose Properties and in the change the Startup Type to Automatic and select Start to start the service and click on OK.
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Reinstall Audio drivers from Device Manager
If the above procedure does not resolve the issue, proceed by checking the audio driver or device in Device Manager.
In Windows XP, right click on My Computer and select Properties.
In the System Properties window, select the Hardware tab.
Click on Device Manager.
In Windows Vista or Windows 7, click on Start button and type Device Manager in the Search.
Select Device Manager from the search results.
In Device Manager window, click on “+” sign next to Sound, video and game controllers
Right click on High Definition Audio Codec and select Uninstall.
This will uninstall the audio drivers; Now click on Scan for Hardware changes to reinstall the audio drivers.
Windows may prompt to restart the computer, in this case restart your system.
Windows will automatically detect the changes and reinstall the sound drivers.
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It would be better to reinstall the latest audio drivers from your computer support website. The computer manufacturer website will have the latest drivers available.
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You can update or install drivers from these websites to fix the sound issues.
Reinstalling or updating the sound drivers can fix this no sound issues in windows computer.
If the audio device is not shown under Sound, video and game controllers, it will be present under unknown devices. Make sure that it is enabled if it is disabled. Right click on the device and select Enable to enable the device and perform the reinstalling steps to resolve the no sound in windows problem.
If Sound device is not present under Sound, video and game controllers, you can check it by clicking on Action menu in Device Manager and Selecting Scan for Hardware Changes.
You can even try be removing and replacing the sound card by following the steps in the manuals for your computer model if the sound device is not detected.
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Check cable connections and controls
Laptops have their own volume control, make sure that they are enabled. Usually laptop have Fn + F(key number) key number changes for each laptop model.
If you are experiencing the issue in desktop computer, verify that connections between the computer and speakers are properly connected.
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Check if the sound cables are working, you can test the issue by using other cables if available.