Install the driver. Supported versions for Windows 10 64-bit include or higher. Restart your computer. Alternative: Dolby Digital Plus Advanced Audio

Dolby Advanced Audio v2 is a complete audio processing suite that PC manufacturers license and integrate directly into their hardware drivers. It is not a standalone application that can be installed on any PC; rather, it is to optimize their unique speaker and amplifier configurations.

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| Source | Likely Content | |--------|----------------| | (support.lenovo.com) | Official driver README, release notes, installation guide | | Dolby Labs Developer Portal (developer.dolby.com) | General info on Dolby Audio Processing Objects (APOs) | | Microsoft Update Catalog (catalog.update.microsoft.com) | Driver package details ( .inf files, digital signatures) | | Wayback Machine (archive.org) | Old Lenovo user guides from 2012–2015 mentioning Dolby Advanced Audio v2 |

The underlying software (usually Realtek, Conexant, or IDT) that communicates with your motherboard's sound chip and contains Dolby integration code.