Ways to Fix audio after update (KB5015878) on Windows

The article explains how to Fix audio after update (KB5015878) on Windows. We are all aware at this point that occasionally updates intended to fix problems with our computers actually make them worse. Yes, we’re referring to Microsoft and some of the patch releases that, while they fix some issues, also break other things. Follow the steps are given below.

The optional cumulative update KB5015878 Preview for Windows 11 20H2, Windows 11 21H1, and Windows 11 21H2 is now available from Microsoft. Numerous improvements and bug fixes are included in this update, as well as patches for Windows Autopilot and games, as well as a new Focus Assist feature. Microsoft’s July 2022 Monthly Update “C” includes Cumulative Update Preview KB5015878, allowing administrators to test impending updates before they are officially released on the August 2022 Patch Tuesday. “C” Preview updates are optional and do not contain security fixes, unlike Patch Tuesday cumulative updates. However, the preview update will install automatically if you are using a Windows Insider build. Here is the article to resolve broken audio for Windows.

3 Ways to Fix Broken Audio for Windows

As mentioned earlier, Microsoft has already applied the Known Issue Rollback System (KIR) to prevent the bug from spreading. This means that the known issue will be resolved automatically and the user final you won’t need to do anything. But if you are still facing issues then use any of these three workarounds,

If you haven’t installed the update yet

As the title says, if you haven’t installed the update on your PC yet, follow these simple steps to avoid audio issues completely.

Step 1: Updating the audio device driver (also called “sound drivers” or “sound card drivers”) can prevent this issue. If updated drivers are available from Windows Update or the Windows device manufacturer (OEM) webpage, installing them can avoid this problem.

Step 2: If you are using some advanced audio application like Open Broadcast software (OBS), it is recommended that you backup all your settings before installing the update.

If only some apps are affected

If you are experiencing audio issues only with specific ports, devices or apps then follow this workaround,

Step 1: Make sure the audio devices defined in these apps are the expected devices. Audio endpoints can be rebooted after KB5015878 is installed and some apps may set the audio devices for microphone and speakers as the default.

Step 2: If the device settings in the app are as expected, the apps may be caching the Windows Multimedia Device ID (MMDevice). Caching the MMDevice ID is not recommended and may require reinstalling the affected app or contacting the app’s developer support for how to resolve the issue when the audio endpoints reboot and have new MMDevice IDs.

If your audio is completely gone

If you have installed the Windows update on your PC and the system audio has disappeared completely then follow the workaround shared in this section,

Step 1: The Windows audio or sound troubleshooter can solve the problem for you. You can launch the troubleshooter from Fix Sound or Audio Problems in Windows by selecting Open Get Help button in the article. The Get Help dialog should open and you will need to select yes to open the troubleshooter.

Step 2: If your device’s audio is still not working as expected, follow the instructions in Disable Audio improvements.

Conclusion

here is the article how to fix audio after applying system update (KB5015878) on Windows 11. Please be aware that only Windows 11 users versions 20H2, 21H1 and 21H2 are affected by the audio bug listed above that comes with KB5015878. Similar to how the previously discovered BitLocker recovery failure doesn’t affect Windows 11 users, it shouldn’t pose any problem for Windows 11 users. audio (KB5015878) on Windows 11/10.