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Windows 10: Audio devices not recognised. - Microsoft ...
https://answers.microsoft.com/en-us/windows/forum/all/windows-10-audio-devices-not-recognised/cad4fd95-5b77-4a1b-b823-af249e8abbea
Multiple audio devices are not recognised despite being available in device manager. Things I have already tried: Disabling re-enabling the devices. Uninstalling the device. Msconfig selective startup. Safe mode. Re-install device drivers from dell (realtek audio). Install hi definition audio driver from MS (as per screenshot). BIOS update.
About MMDevice API - Win32 apps | Microsoft Docs
https://docs.microsoft.com/en-us/windows/win32/coreaudio/mmdevice-api
In this article. The Windows Multimedia Device (MMDevice) API enables audio clients to discover audio endpoint devices, determine their capabilities, and create driver instances for those devices. Header file Mmdeviceapi.h defines the interfaces in the MMDevice API. The MMDevice API consists of several interfaces.
Solved: "No Audio Device Installed " after Audio driver ...
https://www.dell.com/community/Laptops-General-Read-Only/quot-No-Audio-Device-Installed-quot-after-Audio-driver-update/td-p/4552136
2. Click Troubleshoot sound problems. 3. The audio troubleshooter checks for sound problems. When the troubleshooter finishes, it displays the results. Let me know the troubleshooter results. 09-25-2014 06:47 PM. Thanks a lot for quick response ! 1) In system tray it shows "No Audio Output device is installed".
Setting playback and communication device via registry
https://social.technet.microsoft.com/Forums/en-US/590fd01d-f27b-48db-bad4-9497474ff185/setting-playback-and-communication-device-via-registry
Hi, Thank you for your cooperation! I noticed all captured registry keys are located in HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\MMDevices\Audio\Capture and HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\MMDevices\Audio\Render, so I suspect if the user privilege was configured well for the 2 keys "Capture" and "Render".
Enable or Disable Sound Output Device in Windows 10
https://winaero.com/enable-disable-sound-output-device-windows-10/
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\MMDevices\Audio\Render See how to go to a Registry key with one click . In the left pane, expand the Render key and open the Properties subkey of each GUID until you find the device you want to disable.
Enable or Disable a Sound Output Device in Windows | …
https://www.tenforums.com/tutorials/128343-enable-disable-sound-output-device-windows.html
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\MMDevices\Audio\Render 3 Expand open the Render key in the left pane, and open the Properties subkey of each long number GUID (ex: "{a792f05a-9ef4-45da-842a-2bd2910f96df}") until you find your sound output …
DEVICE_STATE_XXX Constants (Mmdeviceapi.h) - Win32 …
https://docs.microsoft.com/en-us/windows/win32/coreaudio/device-state-xxx-constants
The DEVICE_STATE_XXX constants indicate the current state of an audio endpoint device. The audio endpoint device is active. That is, the audio adapter that connects to the endpoint device is present and enabled. In addition, if the endpoint device plugs into a jack on the adapter, then the endpoint device is plugged in.
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