If your Wi-Fi works but Bluetooth is missing, the most common fix is to the "Bluetooth USB Module" in Device Manager and restart. Windows 10 and 11 will often pull a compatible generic driver that works better than the original manufacturer’s Windows 7-era software.
: If the download is a .zip file, right-click it and select Extract All . atheros ar5b22 driver
: Users report significant jumps from standard 2.4GHz speeds (approx. 12 Mbps) to stable 5GHz performance reaching between 68 Mbps and 89 Mbps in real-world home settings. Peak laboratory throughput for this chip is rated at 300 Mbps . If your Wi-Fi works but Bluetooth is missing,
The Bluetooth driver is not installed. Fix: Manually install btfilter.inf following the Device Manager steps above. atheros ar5b22 driver