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No sound in Windows 10 on rMBP early 2013

Hi, I just installed Windows 10 on my Retina MacBook Pro 15" Early 2013, without using Boot Camp: I didn't use Boot Camp to create FAT partition, I heard that will change partition table to hybrid MBR and Windows can only have 1 drive, because I need 2 drives in Windows, so what I did was I reserved some unused spaces on disk and let Windows created 2 NTFS partitions from unused spaces during installation, so the whole disk was still in GPT format, not hybrid MBR.

After Windows was installed, I ran Boot Camp 6 software and it installed most of the device drivers except audio, there is a red X mark on the volume control.

I did some investigation and someone said because early 2013 model was "PreEFI", so Windows couldn't detect the audio device? I tried to manually uninstall all HD Audio devices from device manager, then install Cirrus packages from Boot Camp 5.1, but still no lucky.

Does anyone know a workaround for this issue? Does the only way is to go back to reinstall Windows using Boot Camp Assistant + hybrid MBR? So how to get an additional partition/drive in Windows? Thanks!

I solved this myself.

Hey man. How did you manage? I have exactly the same problem. Thanks

最後更新：2017-08-21 20:30:04

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