Dolby Digital Plus not working

[nkaditya]

I hve been using a Z 50-70 for the past one and a half years and Dolby digital was working fine. I reinstalled it after the windows 10 upgrade and it worked well for a few months but has now suddenly stopped working. The application starts and I can turn it on and even switch modes form movie to music and others but nothing happens and the sound remains the same. Please help!

Thank you in advance.

[Amandalyy]

I have this problem too and solved it by:

Uninstalled the Conexant SmartAudio HD and reboot laptop. 

Go to Device Manager > sound, video and game controllers > Conexant SmartAudio HD, right click on it and uninstalled it. System will request for reboot. See if this helps. 

[kamalnath]

Hello there,

Its a common issue usually happens when the audio device was updated by windows(bad idea)... Just follow my steps completely & then you will get your dolby settings back,thrust me

1.Disable internet connection..

2.Go to Control panel->System->Advanced system settings(on left side)->Hardware->Device installation settings->Select no->Apply,Ok..

3.Go to Control panel->Device manager->Sound,video & game controllers->Right click on Conexant smart audio HD->Uninstall->Tick delete driver software for device->Ok then reboot..

4.Download the audio driver here..

5.Intall the downloaded driver & then reboot..

6.You can now enable Internet connection(the reason i said you to disable internet connection because windows will attempt to download incompatibe driver & intall & thats your problem now)...Do the steps fully

Report back

Cheers

Kamal