EliteBook 820 G3, Win 10 Pro, new (second-hand) purchase. When I boot up I get a Smart Audio message: "A Conexant audio device could not be found. The application will now exit." center screen on the desktop, and all attempts to restore sound , including Win reinstallation and BIOS upgrade, have failed. I´ve tried to dowload and install the Conexant driver, all I get is the message: "Installation unsuccessful, no Audio Output Device is installed.". All attempts to resolve sound issues say the same-failure to find sound devices. I have even switched out the M.2 ssd used as "C" to one known to work-including sound-from my 840 G2 , still the same problem. What to do? Any help would be greatly appreciated
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