Try disabling the "PC Speaker" or "Beep" input in the Sound Control Panel, as these older codecs are prone to interference.
The AD1981B is not a "High Definition Audio" (HDA) device. It uses the older AC'97 standard , meaning it will not work with generic HDA drivers often found in modern Windows 10/11 updates. Summary of Specifications Specification Standard Manufacturer Analog Devices Brand Name Typical Drivers snd-intel8x0 (Linux), SoundMAX WDM (Windows) ad1981b driver
WinDrivers: Another reliable legacy source for early 2000s components. Potential Solution No MIDI Sound Try disabling the "PC Speaker" or "Beep" input
If sound is not working, you can try loading the module manually via the terminal: sudo modprobe snd-intel8x0 . Troubleshooting Common Issues Look for the Sony Support Drivers specifically for
The most common driver for these systems is the package.
Look for the Sony Support Drivers specifically for models like the PCV-RS402. 2. Modern & Legacy OS Support