Sometimes Windows Update hides optional drivers.
Boot into Windows Safe Mode (by pressing F11 during startup). In Safe Mode, open Device Manager, right-click the problematic device, and select “Roll Back Driver.” hp pavilion desktop drivers
Many Pavilion-specific features rely entirely on drivers. For instance, the programmable hotkeys on an HP Pavilion keyboard, the specific audio enhancements of B&O Play (Bang & Olufsen) software, or even the ability to adjust fan curves through HP’s Command Center—none of these work without the dedicated HP-provided driver suite. Sometimes Windows Update hides optional drivers