You are not alone, several users reported their laptop has no sound after the Windows 11 KB5055523 update.

Tried to update and reinstall the sound driver, but its still not working.

So what causesNo Audio in Windows 11?

Again, sometimes restarting audio services can feasibly resolve Windows 11s sound issues as well.

go for the Right Audio Output unit

Windows 11 automatically uses the system audio as output unit.

If you have multiple audio devices connected to your laptop, ensure the right audio gear is selected.

Lets try restarting the audio service to see if this helps.

Hence, you are causing audio issues, we recommend turn them off entirely and check the audio status.

Microsoft regularly releases Windows updates with security enhancements and various bug fixes.

There are chances the company has already released an update that resolves the current sound issues youre facing.

Lets check and install any pending updates for your Windows 11 PC.

If you are using any special audio hardware, then you better look up the companys website.

The devices are usually listed, and drivers are available through an installer.

In this case, you might roll back the audio driver.

Try these 8 solutions 2025

Download KB5055523 for Windows 11 (24H2) April 2025 Security Update