This worked for me. Download driver in zip format from here : https://downloadcenter.intel.com/Detail_Desc.aspx?agr=Y&DwnldID=23162&lang=eng&OSVersion=Windows%208.1%2C%2064-bit*&DownloadType=%0A%09%09%09%09%09%09%09Drivers%0A%09%09%09%09%09%09 . Unzip and choose update driver from properties in the audio device manager. Point to the unzipped folder with the audio driver, and it will change from microsoft to intel and work.
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