Do not use generic "driver updater" tools. Download the official archived driver:
Q: How do I know if my device has the Ralink Rt3290 chipset? A: Check your device's specifications or documentation to confirm the chipset model. Ralink Rt3290 Bluetooth Driver Windows 11
Often, the WiFi portion works automatically upon updating to Windows 11, while the Bluetooth component (which requires a specific driver from MediaTek) does not. Do not use generic "driver updater" tools
Many users on 23H2 and 24H2 have reported that the RT3290 Bluetooth is no longer recognized at all, even after forced driver installation. Often, the WiFi portion works automatically upon updating
"Update Driver" > "Browse my computer for drivers" > "Let me pick from a list" and choosing an older version like 5.0.37.0. The "Ubuntu Trick":
Some users have had brief success by manually installing the old Windows 8.1 or Windows 10 drivers or using a "previous driver" option in Device Manager, but these are often unstable. Microsoft Learn Technical Review Highlights Recommendation Official Win 11 Support Do not expect plug-and-play functionality. Driver Stability ⚠️ Very Low Prone to disappearing after Windows updates. Performance 🐢 Outdated Only supports older Bluetooth standards (v4.0). Best Solution 🛠️ Replacement Community experts recommend using a USB Bluetooth Dongle Common Solutions