My unit is Lenovo Y50-70. Windows 10 Pro 1607
I wanted to go back to stock Lenovo drivers (they are Dolby Live 5.1 with dolby digital plus), but now it doesn't install Dolby. It's like it installs Dolby Plugin, I can choose Dolby Digital Live for S/PDIF, and enable Dolby Digital Plus in options but there is no Dolby Digital Apllication. In drivers folder I found folder "PCEE4" with DolbyAdvancedAudio (never used it), DolbyHomeTheater (Cant install, getting error saing DHT can'y be install) and folder "DS1" with DolbyDigitalPlusAA and DolbyDigitalPlusHT. I install DolbyDigitalPlusHT but cant get it run on internal speakers / headphones (it not responds to the signal, in application equalizer doesn't move if you know what I mean, It worked before I started to mess around with drivers) with S/PDIF iw works OK.
Full install process of your mod, no dlls added.
1. Unistalled realtek drivers and all plugins, rebooted, run ccleaner registry clean to tidy up
2. CMD Commands and boot with DISABLE DRIVER SIGNATURE ENFORCEMENT (ain't able to install dolby without doin dis)
3. DTPC, choose DTH Rel.
4. Device manager > sound video game controllers > Updating "Dolby Home Theater v4 - Realtek HD Audio", Reboot
5. On startup Error about incorrect version of dolby audio "Current version of dolby audio is 7.2.8000.17 applications needs version 7.2.7.000.4. Please reinstall"
6. Installing other plugins: DolbyDgitalPlusHT.msi,dax2_api_release_x64.msi, UpdateDax2Db, dax2_app_release_x64.msi, SRSUIAPO, Audio By Harman
7. While installing SRSUIAPO error: "This model is not supported. SRS Audio enhancement may not operate correctly for this device. The default settings will be installed."
8. Reboot and still getting error.
9. No SRS or any other plugins in Realtek Application
Screenshots:
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