Save the file (you may need to save it to Desktop and copy back, as Windows protects the driver folder). Then run the "Have Disk" method again. Part 5: Post-Installation – Configuring Audio on Windows 11 Once the driver is installed, you may notice no sound even though the driver loaded. Here’s why and how to fix it.
Extract the ZIP file to a folder, e.g., C:\CMI8738_Driver . Cmi8738 Driver Windows 11 64 Bit
Navigate to your extracted folder and select the cmi8738.inf file (sometimes it is cmi8338.inf if it’s a variant). Click Open . Save the file (you may need to save