It would seem that Lenovo has recently added Windows 8.1 32 and 64 . Audio Driver for Windows 8.1 (32-bit, 64-bit) - IdeaPad Download dolby audio driver and Fix issue i.e. Unable to start the audio driver. Lenovo Notebook G400s, G400s Touch, G500s, G500s Touch – CONEXANT Audio Driver (for Windows 8.1). For Lenovo G580, method would be bit different. Feb 20, 2017 Dolby Drivers Download and Update for Windows 10, 8, 7, XP, Vista. drivers for Windows 8, Dolby drivers for Windows 7 and Dolby drivers for Windows XP, applied to Lenovo, Acer, Dell, Asus, HP, etc. 1. Dolby's Website. This is the first place you'll usually want to look. Dolby drivers for Lenovo. Dolby Advanced Audio v2 improves PC audio, helping to maintain volume levels, prevent distortion, and even create a surround sound experience.
Acer Aspire v3-571g - Windows 8.1 Audio Driver. dolby home theater v4 does not work . Lenovo G780 - on windows 8.1 problem