We have collected the most relevant information on Audio Hardware Missing. Open the URLs, which are collected below, and you will find all the info you are interested in.
How to fix missing or lost sound in Windows
https://www.computerhope.com/issues/ch000208.htm#:~:text=If%20you%20are%20missing%20the%20Sound%2C%20video%20and,other%20devices%20are%20present%20in%20the%20Device%20Manager.
Audio device missing or cannot find audio device ...
https://support.lenovo.com/us/en/solutions/ht510392-audio-device-missing-or-cannot-find-audio-device-thinkcentre-m720s-m720t
Missing Audio Devices in Device Manager - Microsoft Community
https://answers.microsoft.com/en-us/windows/forum/all/missing-audio-devices-in-device-manager/3c18fc90-96d2-4d5a-baf9-240dfa4de5e7
The speakers and mic are built in, A laptop. I have another very similar laptop and compared them. The only other item missing that was any significance may be IDE ATA/ATAPI controllers. Not sure if that has any bearing yet. Nothing that could be mistaken for the Audio I/O devices. Thank you for your input and wisdom.
How to Fix Missing Sound in Windows 10
https://blog.pcrisk.com/windows/12415-how-to-fix-missing-sound-in-windows-10
Realtek HD Audio Manager missing (PLEASE HELP) - Microsoft ...
https://answers.microsoft.com/en-us/windows/forum/all/realtek-hd-audio-manager-missing-please-help/24e5add3-959e-4b95-b28c-8b44f0de6029
Make the Realtek HD audio driver recognizable: Step 10: Go to File Explorer. Go to this location C: Realtek Audio HDA program files. Step 11: Search for RAVCpl64. Right-click and tap Send to> Desktop (create shortcut). By doing this, you create a Realtek HD Audio Manager shortcut so that you can access it at any time.
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