If the Windows Audio Troubleshooter says Generic Audio Driver Detected, you have to enable the audio services & reinstall/update the drivers.

I've put the Windows 7 beta on my Dell XPS M1330 laptop, everything is going fine apart from one oddity. No sound via the built-in speakers, but when using the front jacks I get sound.The only ...

If Razer 7.1 Surround Sound not working in Windows 11, make sure that you have set the right audio device as default. Here are some suggestions to fix the issue.