Do not use generic "driver updater" software. Download the original Ralink RT3290 Bluetooth driver for Windows 8.1 (5.0.57.0) from your laptop manufacturer’s support site (HP, Acer, ASUS) or a reputable driver archive.
Fixing the Ralink RT3290 Bluetooth Driver on Windows 11: The Ultimate Guide Ralink Rt3290 Bluetooth Driver Windows 11
/ralink-rt3290-bluetooth-driver-windows-11 If you are still rocking a laptop or motherboard with the Ralink RT3290 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. Do not use generic "driver updater" software