This tool is responsible for controlling screen brightness, volume, functional keys, backlit, etc with Apple keyboard. This fatal failure occurs when Windows is already loaded and system tries to start Apple Boot Camp Utility (BootCamp.exe). The computer will need to be restarted after application of the new driver in order to have the outputs properly identified.Problem: the latest Windows 10 update 1903 runs into BSOD (Blue screen of death) with error message WDF_VIOLATION on some mac models (MacBook Pro 2010/2011, MacBook Air 2011, Mac Mini 2012, iMac 2010/2011 and some others).

Open Device Manager as an Administrator, navigate to the 'High Definition Audio Device', right click and Update Driver and manually point it to the Cirrus driver within the WindowsSupport -> WinPE folder. Within that folder, you will notice that there are two folders with one being called 'WinPE' or something similar (depending on version). Please let me know if you have any questions!Īfter downloading, boot into Windows and navigate to the WindowsSupport folder that was downloaded.

The computer will need to be restarted after application of the new driver in order to have the outputs properly identified. Launch Boot Camp Assistant and chooses 'Action' -> 'Download Windows Support Software' and save the file to a flash drive or cloud storage location.Īfter downloading, boot into Windows and navigate to the WindowsSupport folder that was downloaded.

If you do not have the original flash drive used to install Windows (if applicable) or the files downloaded in a safe location, you will need to download them again using Boot Camp Assistant within macOS. The folder will be found within the WindowsSupport folder downloaded by the Boot Camp Assistant.

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