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After a few days of searching the web, I managed to install windows 8.1 on my computer successfully including the drivers. After I rebooted my macbook I noticed that my sound was not working. I checked my device manager and noticed that "High Definition Audio Controller" under System Devices is not working and cannot start. The error is "The device cannot start error 10".

Things I have tried:

  • Tried adding the hardware through "Add legacy hardware" but it blue screens during install.
  • Tried installing the drivers manually and downloading the drivers from cirrus or realtek.
  • Re installed bootcamp drivers.

Note:

  • I bumped into many problems when trying to install windows 8.1 on my mac. When I tried to install it on the partition that bootcamp made it would not install it since my partition style was a Master Boot Record. So I booted back into osx and made a empty unallocated space in disk utility and I would create the partition using the windows installer thus allowing me to install windows 8.1.
  • I use EFI Boot (2 drives do not appear in my boot selection list. I only see Macintosh HD, EFI Boot and Recovery 10.9)
  • I use a macbook 13 inch (Early 2011)

So is there anyway to fix this problem. Thanks!

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  • You need to use the BootCamp drivers for Win 8 to get your devices working.
    – Kinnectus
    Commented Sep 6, 2014 at 8:47
  • I did use the bootcamp drivers. I got the drivers the the bootcamp assistant utility included with my mac.
    – mclarence
    Commented Sep 6, 2014 at 8:50
  • Are you using BootCamp 5.1?
    – Tetsujin
    Commented Sep 6, 2014 at 10:14
  • Yes I am using bootcamp 5.1 on osx mavericks
    – mclarence
    Commented Sep 6, 2014 at 22:32

1 Answer 1

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I have exactly this issue - also on a 13" early 2011 MBP. It seems to be peculiar to the EFI install method - installing onto the pretend MBR as a BIOS-based boot, the drivers all work fine. Quite annoying, since performance is apparently better under EFI. But after hours attempting to find a solution to the problem, a BIOS install is the only way to go. Not looking forward to reinstalling personally...

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