You should uninstall original driver before install the downloaded one.ģ. Please identify the driver version that you download is match to your OS platform.Ģ. Q: Why my MStar Demo (2- High Definition Audio Device) driver doesn't work after I install the new driver?ġ. Please download it from your system manufacturer's website. Ĭommon questions for MStar Demo (2- High Definition Audio Device) driver Q: Where can I download the MStar Demo (2- High Definition Audio Device) driver's driver? MStar Demo (2- High Definition Audio Device) driver is a windows driver.