Microsoft UAA Bus Driver for High Definition Audio (HDAudBus) Service Defaults in Windows 10
High Definition Audio Bus Driver by Microsoft Corporation.
Default Settings
| Startup type: | Manual |
| Display name: | Microsoft UAA Bus Driver for High Definition Audio |
| Service name: | HDAudBus |
| Service type: | kernel |
| Error control: | normal |
| Group: | Extended Base |
| Path: | %SystemRoot%\System32\drivers\HDAudBus.sys |
| Registry key: | HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\HDAudBus |
Default Behavior
Microsoft UAA Bus Driver for High Definition Audio is a kernel device driver. In Windows 10 it is starting only if the user, an application or another service starts it. If Microsoft UAA Bus Driver for High Definition Audio fails to start, the failure details are being recorded into Event Log. Then Windows 10 will start up and notify the user that the HDAudBus service has failed to start due to the error.
Restore Default Startup Configuration of Microsoft UAA Bus Driver for High Definition Audio
1. Run the Command Prompt as an administrator.
2. Copy the command below, paste it into the command window and press ENTER:
sc config HDAudBus start= demand
3. Close the command window and restart the computer.
The HDAudBus service is using the HDAudBus.sys file that is located in the C:\Windows\System32\drivers directory. If the file is removed or corrupted, read this article to restore its original version from Windows 10 installation media.