A: The AR5BBU12 is limited. It only supports 2.4GHz Wi-Fi (which is crowded and slow compared to 5GHz) and Bluetooth 2.1 (modern headsets use 4.0 or 5.0 for better battery life).
“Uninstall current stack of whatever version. Reboot. Install Atheros BT... using Windows 8 Compatibility mode and Run as Administrator.” Reddit · r/sysadmin · 10 years ago g., Acer, HP, or Dell)? I NEED ATHEROS AR5BBU22 MODULE - Microsoft Q&A Bluetooth Module Atheros Ar5bbu12 Driver
: Unlike some wireless cards where Bluetooth is powered through the PCI passthrough, the AR5BBU12 is powered and controlled via an internal onboard USB connection Identification : It typically carries the Vendor ID (Foxconn/Hon Hai). Super User Driver & Compatibility Information A: The AR5BBU12 is limited
The driver experience for the AR5BBU12 varies drastically across operating systems, revealing the fragmentation of legacy hardware support. Reboot
“Windows search type Device Manager and go to Bluetooth. Click the arrow, double click the Bluetooth, select Driver and Roll Back Driver.” Acer Community · 10 years ago
If you cannot find a driver, right-click the device in Device Manager > Properties tab > Select Hardware Ids typically shows as USB\VID_0489&PID_E02C