After a recent updates I am unable to output sounds to my mixer

Question

After a recent updates I am unable to output sounds to my mixer. I would give you permission to access my computer.

Answer 1

Hi Richard Pavlik,

Thanks for your post. I understand that after a recent Windows update, audio is no longer being sent to your external mixer.

Have you already tried the Q&A Assist suggestions? In addition, please try rolling back the audio driver:

Step 1 – Open Device Manager

• Press Windows key + X > select “Device Manager”.

Step 2 – Locate the audio device feeding the mixer

• Expand “Sound, video and game controllers”.
• Right‑click the device used by your mixer (USB audio interface or audio driver).

Step 3 – Roll back the driver (if available)

• Select “Properties” > “Driver” tab > “Roll Back Driver”.
• Choose a reason (for example, “Previous version worked better”) and confirm.
• Restart the PC.

Note: If “Roll Back Driver” is greyed out, it means no previous driver version is available.

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Answer 2

Try performing System Restore to an earlier date when the issue was not present:

https://support.microsoft.com/en-us/windows/system-restore-a5ae3ed9-07c4-fd56-45ee-096777ecd14e

See if that can help you to resolve the problem.

Answer 3

Remote access to the device is not possible, but the issue can be troubleshot locally with these steps in Windows 11:

1. Confirm the mixer is selected as the output device
   1. Right-click the speaker icon in the taskbar and select Sound settings.
   2. Under Output, make sure the mixer (or the audio interface feeding the mixer) is selected as the Choose where to play sound device.
   3. If using HDMI/USB, ensure the correct device is chosen and not a monitor with no speakers.
2. Check Volume Mixer and app routing
   1. Right-click the speaker icon and select Open volume mixer.
   2. Ensure System and the specific app being used are not muted and their sliders are turned up.
   3. If needed, use Reset sound devices and volumes for all apps to the recommended defaults (under System > Sound > Volume mixer as in the referenced solution) to clear any bad routing created after the update.
3. Verify the device is not disabled
   1. Go to Start > Settings > System > Sound.
   2. Under Output, select the mixer device and then Device properties.
   3. Make sure the Disable checkbox is not selected.
4. Run the audio troubleshooter
   1. Open Settings > System > Troubleshoot > Other troubleshooters.
   2. Run Playing Audio and apply any fixes it suggests.
5. Update or reinstall the audio driver
   1. Press Win + X and select Device Manager.
   2. Expand Sound, video and game controllers.
   3. Right-click the audio device that feeds the mixer and select Update driver and follow the prompts.
   4. If the problem persists, right-click the same device, choose Uninstall device, confirm, then restart the PC so Windows can reinstall a generic driver, or install the latest driver from the device manufacturer.
6. Check Windows Update and restart
   1. Go to Start > Settings > Update & Security > Windows Update > Check for updates.
   2. Install all available updates and restart the PC.
   3. If Update and restart is offered on the Power menu, select it to apply pending updates.

If the mixer still receives no audio, test with another output (e.g., headphones) to confirm Windows audio works at all. If other outputs work, focus on the mixer’s USB/line connection and its own drivers and settings.

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