The issue happens after the Windows update changes the sound card driver.
2 possible scenarios:
Scenario 1: The previous driver is avaiable. Please follow the steps from the screenshots below:
- Open Device Manager (right-click on the Windows icon on the Task Bar -> Device Manager)
- Proceed with the driver update
- Click Next and finish the installation
- Reboot the computer
Scenario 2: The previous driver is unavailable:
- Open Device Manager (right-click on the Windows icon on the Task Bar -> Device Manager)
- Proceed with the driver removal
- Reboot the computer
The driver will be reinstalled and the Primus device should work.