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). 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.
