If you're unable to find a compatible driver or encounter issues during installation, try these alternative methods:
Many users struggle to get 5.1 working in Windows 10. Here is the secret: c-media cmi8738 driver windows 10 64 bit
The C-Media CMI8738 is a legacy PCI audio chipset commonly found on older sound cards and some motherboards from the early 2000s. While Windows 10 often fails to automatically recognize this hardware with full functionality, a working driver does exist. This guide will walk you through the process of installing the correct 64-bit driver for Windows 10. If you're unable to find a compatible driver
If after hours of troubleshooting the C-Media CMI8738 refuses to cooperate with Windows 10 64-bit, consider these options: This guide will walk you through the process
C-Media stopped official driver development for this chip after Windows 7. No official Windows 10 driver exists on C-Media’s corporate website. However, that does not mean you cannot get it working perfectly.