驱动下载地址：A1278 MacBook Pro 款 Windows声卡驱动
相关操作教程：
1.绕过驱动签名，通过CMD管理员执行，并重启电脑
bcdedit /set {current} testsigning on
2.卸载通用音频驱动...
pnputil /delete-driver hdaudbus.inf /uninstall /force >nul
3.注入苹果声卡硬件参数...
reg add "HKLM\SYSTEM\CurrentControlSet\Control\Class\{4d36e96c-e325-11ce-bfc1-08002be10318}\0000" /v "HardwareId" /t REG_MULTI_SZ /d "PCI\VEN_8086&DEV_1E20&SUBSYS_72708086\0000" /f >nul reg add "HKLM\SYSTEM\CurrentControlSet\Control\Class\{4d36e96c-e325-11ce-bfc1-08002be10318}\0000" /v "DriverDesc" /t REG_SZ /d "Cirrus Logic CS4206B (MacBookPro9,2)" /f >nul reg add "HKLM\SYSTEM\CurrentControlSet\Control\Class\{4d36e96c-e325-11ce-bfc1-08002be10318}\0000" /v "EnableDynamicDevices" /t REG_DWORD /d 1 /f >nul
4.进入驱动文件夹
cd /d C:\Cirrus_Driver
5.强制安装INF
pnputil /add-driver cs420x_46.inf /install
注：如果安装没成功，卸载并删除驱动尝试以上步骤
6.恢复签名校验，通过CMD管理员执行，并重启电脑
bcdedit /set {current} testsigning off