Windows Update frequently overwrites the Cirrus driver with a generic Intel one.
Boot into Windows through the Open Core EFI partition to allow Windows to "see" the patched hardware. Method C: Troubleshooting the "Red Light" Apple Macbook Pro A1278 Audio Driver Windows 10
If you have no sound or a "No Audio Output Device is Installed" error, try these steps in order: Step A: Use Official Boot Camp Support Software Windows Update frequently overwrites the Cirrus driver with
Typical audio hardware and driver types
Windows Update frequently overwrites the Cirrus driver with a generic Intel one.
Boot into Windows through the Open Core EFI partition to allow Windows to "see" the patched hardware. Method C: Troubleshooting the "Red Light"
If you have no sound or a "No Audio Output Device is Installed" error, try these steps in order: Step A: Use Official Boot Camp Support Software
Typical audio hardware and driver types