This usually indicates a digital signature enforcement block or an incomplete installation.
If all else fails, reinstalling the driver from scratch can fix persistent problems. sa9123l driver updated
If the driver is installed but you have no sound or the audio is distorted: This usually indicates a digital signature enforcement block
Identify if your device is by LJM or another vendor. Download the Driver: Search for the latest Savitech SA9123L USB Audio Class 2.0 driver . sa9123l driver updated
Go to the official manufacturer's website and navigate to the "Downloads" or "Support" section.