first through the Control Panel. For older systems, some users find success by disabling driver signature enforcement

Here’s a complete, helpful post for someone searching for .

Dolby does not provide direct "universal" downloads for its drivers. Instead, you must obtain them from your PC manufacturer's support site, as each version is custom-tuned for specific speaker and amplifier combinations. How to Install Dolby Surround Audio on Windows 7 (2018)

Open , right-click your audio device, and select Uninstall .

Select from the advanced boot menu. Part 3: Install the Drivers (Device Manager)