Why don't I have sound after the Windows 10 upgrade?

[Windows Central Question]

no sound after windows 10 upgrade

installed windows 10 and no sound
i have Conexant SmartAudio HD DRIVER VERSION 8.51.1.0
when i check sound nothing at all
i went to advanced setting and tried all 16 & 24 bit configurations and all said "failed to play test tone"

 

[anon(8976239)]

Re: no sound after windows 10 upgrade

Uninstall the Conexant hd sound driver.. It'll fix the issue