Best Fixes for Stereo Mix Not Working on Windows 11
Understanding the Importance of Stereo Mix on Windows 11

Stereo Mix not working on Windows 11 is an issue when the Stereo Mix audio input device is not recording any audio. This issue can stand in between users and their recording of the computer’s audio output, such as system sounds, gameplay audio, or audio from online sources.
Stereo Mix may not work due to disabled or improper configuration, outdated/corrupted audio drivers, software conflicts, or hardware issues. If a user tries to record that uses Stereo Mix as the audio input, but no audio is recorded, then the user knows that Stereo Mix is not working.
Disconnect external microphones or speakers
When you connect external microphones or speakers to your computer, Windows may prioritize those devices as the default audio input and output devices. This prioritization can cause Stereo Mix not to work correctly, as it may be unable to access the audio output from your PC.
Disconnecting external microphones or speakers can fix Stereo Mix not working on Windows 11 by removing the possibility of conflicts between the internal and external audio devices.
Simply unplug external microphones or speakers from your computer to disconnect them. Restart your computer once you have done that.
When the restart is complete, Windows automatically sets the internal audio devices as the default audio input and output devices, allowing Stereo Mix to work correctly.
2. Use the built-in audio troubleshooter to fix the issue
The audio troubleshooter is a built-in Windows utility that can help you repair problems associated with your computer’s audio. It attempts to detect problems by scanning for issues and fixing common audio problems, such as faulty devices, outdated or corrupted drivers, and settings that are not configured correctly.
To run the audio troubleshooter, follow these steps:
- Press Windows + I simultaneously to open the Settings app, and click Troubleshoot from the System tab.
- Then, click Other troubleshooters.
- Find the Playing Audio troubleshooter, then click on the Run button close to it.
- Finally, follow the rest of the on-screen instructions to complete the troubleshooting.
3. Activate Stereo Mix
Activating Stereo Mix involves enabling the Stereo Mix audio input device in Windows 11. Stereo Mix acts as a virtual audio device that allows you to record the audio output from your PC, such as system sounds, gameplay audio, or audio from online sources.
To activate Stereo Mix, follow these steps:
- Press Windows + S simultaneously to open the Search menu, type Change system sounds, and hit Enter.
- Then, open the Recording tab, right-click the Stereo Mix entry, and click Enable.
- Afterward, click Apply and OK to save the changes.
4. Update sound card driver
A sound card driver is a software program that ensures communication between your computer and your sound card. It translates digital audio signals into analog signals reproducible by your speakers or headphones. When the sound card driver is outdated or corrupted, it can cause a variety of audio problems, including Stereo Mix not working.
To update your sound card driver, you can follow these steps:
- Press Windows + X simultaneously to open the Quick Link menu, and select Device Manager.
- Expand Sounds, video and game controllers, right-click the desired audio device, then click Update driver from the list of options.
- Then, click Search automatically for drivers from the available options in the Update Drivers window.
- Finally, allow Windows to find the available update and install it.
After updating the sound card driver, check if the Stereo Mix not working problem in Skype is fixed.
5. Use Speakers as the default device
Using speakers as the default device is beneficial because it ensures that the Stereo Mix device can access the audio output from your computer. When you set speakers as the default device, Windows will direct all audio output to the speakers, permitting the Stereo Mix device to record audio outputs from your PC, even if other audio output devices are connected.
To set speakers as the default device, follow these steps:
- Press Windows + S simultaneously to open the Search menu, type Change system sounds, and hit Enter.
- When it displays, open the Playback tab, click Speakers, and click Set Default from the bottom of the display.
- Finally, click Apply and OK to save the changes.
6. Check if the audio device is muted
If the audio device is muted, then it will be unable to record any audio, including the audio output from your PC. Checking if the audio device is muted is a simple troubleshooting step that can fix Stereo Mix not working on Windows 11.
To check if the audio device is muted, follow these steps:
- Press Windows + S simultaneously to open the Search menu, type Change system sounds, and hit Enter.
- When it displays, open the Playback tab, click the default speaker, and click Properties from the bottom of the display.
- Open the Levels tab, then see if the microphone is on mute.
- If it is, click the Mute icon to unmute it.
- Finally, click Apply and OK to save the changes.
In conclusion, Stereo Mix not working on Windows 11 issue can be solved with the best fixes in this article. Stereo Mix is crucial for recording audio directly from your computer’s sound output, and resolving any issues with it can greatly enhance your audio recording and streaming experiences.
Additionally, ensure you avoid installing third-party software programs that are popular for interfering with the audio driver. If the Stereo Mix device is not in use, disable it to avoid conflicts. Also, ensure you back up your computer regularly in case of a hardware failure.