| | MacBook Pro A1278 (Mid 2012, 9,2) | |-----------|-------------------------------------| | Audio Codec | Cirrus Logic CS4206B | | Windows 10 support | Yes, with manual driver install | | Best driver source | Boot Camp 5.1.5621 or 5.1.5769 | | Working features | Speakers, headphones, mic, volume keys | | Not working | None (if driver is correct) |
Apple used different audio chipsets in different revisions of the A1278: Apple Macbook Pro A1278 Audio Driver Windows 10
If you cannot reinstall Windows and need a workaround for UEFI-related audio issues, some users successfully use the OpenCore Legacy Patcher (OCLP) | | MacBook Pro A1278 (Mid 2012, 9,2)
When you install Windows 10 on your MacBook Pro A1278, the operating system may not recognize the audio hardware out of the box. This can result in no sound or poor sound quality. To fix this issue, you need to install a compatible audio driver that can communicate with the MacBook Pro's audio hardware. Performance and functionality notes
Performance and functionality notes