Ralink Rt3290 Bluetooth Driver Windows 10 -
In some cases, booting from a "Live USB" of Ubuntu, turning on Bluetooth there, and then rebooting back into Windows has been known to "kickstart" the radio hardware. HP Support Community Long-term Solutions
The most stable driver developed specifically for Windows 10 is version 11.0.761.0 ralink rt3290 bluetooth driver windows 10
The RT3290 is notorious for hardware failure or becoming "invisible" on Windows 10 builds past version 1803. If drivers do not fix the issue, consider: HP Support Community ralink rt3290 bluetooth driver for windows 10 64 bit In some cases, booting from a "Live USB"