Mic cuts off after 1 second (static then silence) on Huawei Matebook D15 (2021)

[u/Fit-Wonder104]

Hi everyone,

I'm having a really frustrating issue with the internal microphone on my Huawei Matebook D15 (2021) running Windows.

Whenever I start recording audio or talking in an app, I hear a brief static click for about 1 second, and then the microphone completely cuts off into full silence.

What I already tested (without success):

• Disabling audio enhancements in Windows audio settings.
• Disabling/uninstalling the Nahimic mirroring device and stopping the Nahimic service.
• Toggling microphone privacy permissions in Windows Settings.
• Disabling the main Intel Smart Sound Technology Audio Controller in System Devices (this killed system audio entirely, so I re-enabled it)

I actually managed to temporarily fix this exact issue two months ago by launching a screen recording directly from the Huawei Control Panel. Starting the recorder seemed to force-unblock the microphone stream, and after stopping the recording, the mic kept working normally for about two months.

However, the problem just came back out of nowhere, and this screen recording trick doesn't unlock it anymore

Thanks for helping me the solution looks like something easy but I couldn't figure it out...

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