I upgraded my fairly ancient dell inspiron 1520 laptop to windows 10 from windows 7 a couple of months ago. It all worked but I was getting fairly regular BSODs so I reset/reinstalled windows 10. Seemed to work fine and no BSOD since but I've now got no audio. High definition audio appears in the device manager but it won't let me update the driver because I keep getting 'install class is not present or is invalid' every time I try.
Hp Deskjet 920c Driver For Windows 10. After upgrading to Windows 10, you may experience some symptoms regarding Dolby Home Theater Uninstall audio driver and Dolby related programs. Open Device Manager. Navigate to Sound, video and game controllers –>right click Realtek High Definition Audio or Conexant. Usually, the no sound issue occurs on Windows 10 OS if the Audio driver is damaged, corrupted or removed during the install/update of the Windows 10. Expand the Sound, video and game controllers.
On further investigation the device is appearing as 'audio device on high definition audio bus' and under a category of 'other devices'. There is no category heading of 'sound video and game controllers' appearing in device manager.