Before hunting for drivers, check if your system can even see the audio hardware. In Windows 10, press Windows Key + R , and hit Enter. If it says , you just need the right driver. If it says
Sometimes, Windows audio enhancements cause conflicts with older drivers.
The Apple MacBook Pro A1278 is a beloved classic, but its audio driver compatibility with Windows 10 remains a persistent challenge. The issue stems primarily from two factors: the age of the official Boot Camp drivers (which were designed for Windows 7/8) and, more critically, the inability of the pre-2013 Mac UEFI firmware to expose the audio hardware to a Windows installation booted in UEFI mode.
On these older MacBook models, the internal audio hardware is only "exposed" to the operating system when Windows is installed in Legacy BIOS mode Apple Support Community The Problem
