Does this device show in device manager?
Is this a w10 upgrade?
Make and model of the machine?
Cannot access Cortana's settings, microphone does not respond. 3 hrs. with microsoft tech, couldn't fix it. Ran sfc/scannow and DISM. Ran CHK Disk. System restore fails on every restore point. Ran Spybot S&D. restarted. Rebooted in safe mode. : (