Windows 11 DAC issues, Microsoft is working on a fix

Hi,

If you are experiencing this: DAC audio device cannot start after January updates.

See the full article:
Microsoft confirms Windows 11 January 2025 update issues, DAC audio failure

Kind regards,
Benno Jansen

This does not affect DACs from Schiit Audio as their USB interfaces are UAC2 compliant and do not require drivers.

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USB 1.0 seems pretty ancient. I’ll quickly check today to see whether the driver for my directly connected DAC that uses USB 2 is affected. However I’m on the Windows Insider developer track, and it’s possible MS has already provided a fix, so others should check for themselves.

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Not only Schiit. All modern DACs are USB Audio 2 compliant and do not require Windows drivers (except when you want to use ASIO of course). But still some people experienced audio problems even with UAC-2 compliant DACs.

Yesterday I received an (KB5050094 28-1-2025) Windows update and it seems that Microsoft already fixed the problem. On my Windows 11 machines (with Topping DX9 and Holo Audio Cyan 2) I never had the problem to begin with (maybe I was just lucky).

January 28, 2025—KB5050094 (OS Build 26100.3037) Preview - Microsoft Support

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No problem with ASIO driver on Build 27783, as expected. (Pro-Ject S2 Digital DAC with ESS chip.)

Never had an issue with my Windows 11 (23H2 and 24H2) installations.

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