Browse to the extracted Boot Camp folder, go to the audio driver directory, select the .inf file, and click .
Boot Camp Support Software 5.1.5621 (or 5.1.5769) for Windows 8.1/10 Apple Macbook Pro A1278 Audio Driver Windows 10
Note: Many users report that the unmodified Boot Camp 5.1.5621 driver works up to Windows 10 22H2 without issue. Only modify if all else fails. Browse to the extracted Boot Camp folder, go
, and the "no sound" issue often occurs because Windows 10 installs a generic driver or the user installed Windows in EFI mode instead of Legacy/MBR mode. 1. Identify the Audio Chip The A1278 line uses different chips depending on the year: 2008–2011 models : Mostly use Cirrus Logic CS4206 2012 models : Often use Cirrus Logic CS4206B or similar. 2. Recommended Fixes , and the "no sound" issue often occurs
You do not need macOS to get the drivers. Follow these steps on Windows: