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Audio issues on Windows 8.1 with MacBook Pro

JoGeo -  
 GeoJo -
Hello, Good evening everyone,

Well, about a year ago, I got a MacBook Pro 8.1 running on Mac OS Sierra, then I decided to set up a Dual-Boot with Windows 8 and it worked, there was no problem, but I created two partitions on my disk.

I was running low on space on Windows 8 so I backed up all my documents, then I formatted the disk and only installed Windows 8.1 on it, but here's the problem:

I can no longer get sound; it says "No audio output device is installed" (Code 10) while I didn't have this problem before and I used the same Boot Camp for the drivers (BootCamp5.1.5621), it shows me this:

https://zupimages.net/up/19/37/j9cr.png

I’ve tried all the compatible drivers I had on hand and recently I tried with Driver Pack 14 but nothing works, it still doesn’t work. I wonder if it’s because I completely removed the Mac system from the machine; I’m not very good with drivers, so if you could help me solve this little issue.

Please help me, without sound I feel deaf in front of my computer
Thank you in advance!

2 answers

  1.
    kaneagle Posted messages 86296 Registration date   Status Moderator Last intervention   14 689
     
    Hello,

    Download and install --> 7Zip

    Download this driver --> Intel

    Right-click on --> infinst_autol_9.2.3.1022.exe
    Select --> 7Zip
    Choose --> extract to "infinst_autol_9.2.3.1022\"

    Go to the Device Manager
    Right-click on the device
    Update Driver
    Browse my computer for a driver or Browse my computer ......
    Choose from a list of drivers...
    Provided disk
    Browse
    Go to the unzipped driver folder --> infinst_autol_9.2.3.1022
    Folder --> All
    Select the file --> CougHAud.inf and OK.
    Restart.

    --
    The human being is at its best when things are at their worst.
    0
    1. JoGeo
       
      Good evening,
      Thank you for your help but it still doesn't work
      I performed the manipulations as indicated but here's what it shows me (Still Code 10)

      https://zupimages.net/up/19/37/z4lx.png
      0
  2. kaneagle Posted messages 86296 Registration date   Status Moderator Last intervention   14 689
     
    Go to Device Manager
    Right-click on the device
    Uninstall (including all drivers)
    Restart the PC.

    Try to install the driver manually again.

    --
    Human beings are at their best when things are at their worst.
    0
    1. JoGeo
       
      I uninstalled the driver as you said and then restarted, I reinstalled it but so far nothing has changed, still the code 10.
      0
    2. kaneagle Posted messages 86296 Registration date   Status Moderator Last intervention   14 689
       
      Have you properly uninstalled the device (including all drivers) and not just the driver?
      0
    3. GeoJo
       
      Yes, I have uninstalled it by checking the "Remove the driver" box, but nothing happened. I even reinstalled Windows completely and then tried to install the driver manually at first. In my opinion, the driver must be linked to the Mac system because when I turn it on, I hear the beep sound that MacBooks make, so the sound is indeed present, but something is blocking it.
      0