Fix issues with sound output in Windows® 7
How to resolve sound related issues in the Windows 7 system?
You might find that the default sound device after you install a Windows 7 service pack, also known as the playback device, has been changed. You should make sure that the default sound device is set correctly for the sound device that you are using. The problem occurs when you play audio files or run programs that have an audio component. The speaker symbol next to the clock in the notification area might display the following message. Also you can try running a troubleshooter to diagnose and fix common sound playback problems. All these solutions help if you do not hear any sounds from your computer or from a sound device connected to your computer, such as a microphone or speakers.
The procedure to troubleshoot sound related issues in the Windows 7 system are as following:
- Restart the computer
- Try another sound device
- Unplug the computer speakers
Restart the computer
You should restart the computer at least one time after you have finished the installation procedure of your Windows 7 service pack. This verifies that all the processes related to the installation are completed. Then after you restart the computer, determine whether you can hear the sound. If you can hear the sound, then the issue is resolved. And if you cannot hear sound, then you should try another method.
Try another sound device
You may try plugging a different sound device into the computer. Try a different pair of speakers or a set of headphones to make sure that the problem is not related to the sound device if you were using speakers. Find out whether you can hear sound. There is a problem with the original sound device and the issue is resolved if you can hear sound. Plug the original sound device back into the computer if you cannot hear sound.
You should unplug the computer speakers or other sound devices that you may be using, such as headphones, from the computer and then plug them back in to the same port. Sound cards that are compatible with Windows 7 include a feature that detects sound devices plugged into the audio jack. This may prompt the audio detection feature to detect and configure the sound device to make sound. Find out whether you can hear sound. The issue is resolved if you can hear sound.
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