If you're still having issues with your Ralink Rt3290 Bluetooth adapter on Windows 11, consider seeking help from:
If you are still rocking a laptop or motherboard with the combo chip (Wi-Fi + Bluetooth), you know it was a workhorse of the early 2010s. However, upgrading to Windows 11 often causes one major headache: The Bluetooth radio disappears or throws a Code 43 error. Ralink Rt3290 Bluetooth Driver Windows 11