Open Device Manager, double-click the unknown device, go to Details tab, select Hardware Ids from the dropdown. You’ll see a string like PCI\VEN_13F6&DEV_0111&SUBSYS_12345678 .
Look for "Multimedia Audio Controller" under "Other devices" or "Sound, video and game controllers." Update Driver: Right-click the device and choose Update driver Browse my computer for drivers Pick Locally: Let me pick from a list of available drivers on my computer , then click and navigate to your downloaded driver folder. Disable Driver Signature Enforcement:
: If Windows warns about unsigned drivers, you may need to temporarily disable Driver Signature Enforcement in Advanced Startup settings. Technical Specifications and Limitations
However, the hardware is widely supported on Windows 11 using or existing Windows 10 drivers.