Advisory: HP EliteBook 840 G4 Notebook and ZBook 14 Mobile Workstation PCs - HP Bang & Olufsen Audio and Windows Playback Settings are Unavailable When Headphones Are Connected | HP® Customer Support
HP PCs - Using the Bang and Olufsen Audio App | HP® Customer Support
Fix : Missing B&O Audio App in HP x360
Bang & Olufsen Audio Control Software missing - HP Support Community - 7069011
Solved: Bang & Olufsen Audio Control Panel won't launch - HP Support Community - 6393313