Official support for this module has largely been discontinued, but some older updaters are still hosted on the Acer Community forums.
The Atheros AR5BBU12 is a Bluetooth 2.0 + EDR (Enhanced Data Rate) module that supports wireless connectivity. It's commonly used in laptops, netbooks, and other devices to provide Bluetooth functionality. Bluetooth Module Atheros Ar5bbu12 Driver
the Windows Start icon and select Device Manager . Expand the Bluetooth section. Official support for this module has largely been