When booting into Windows from MacOS (start iMac in MacOS then restart and boot into Windows) sound works. Have been using Windows thru Bootcamp without problems until recent update of MacOS to Monterey.Īfter update, there is no sound in Windows though it works perfectly in MacOS. MacOS Monterey Update Causes Bootcamp Soundcard Driver to Fail After upgrading to the latest MacOS Monterey, there is no sound in Windows.