It sounds like you’re trying to investigate or troubleshoot the — possibly because it’s missing, not working, or you want to understand how it works under the hood.
The software driver is useless without compliant hardware. Windows Hello requires a camera supporting specifications: windows hello face software driver
If the OEM camera driver (like Realtek) isn't perfectly synced with the Windows Hello secure path requirements, the software device may fail to initialize (Errors 0x80098034 or 0x80098057). HP Support Community The "Secret" Manual Fix Windows Hello Face software driver It sounds like