Bluetooth Module Atheros Ar5bbu12 Driver

Yes, but you must permanently disable Driver Signature Enforcement or use a signed driver from a Windows 8.1 version (version 10.0.1.xxx). Many users report that Windows 11’s December 2023 update finally broke legacy Atheros support completely.

Search your specific laptop model number on Acer, ASUS, or Toshiba support sites. Look under the "Bluetooth" network category.

: Sites like DriverScape host various versions of Qualcomm Atheros Bluetooth drivers compatible with Windows XP through Windows 10. How to Install the AR5BBU12 Driver Bluetooth Module Atheros Ar5bbu12 Driver

Generic Qualcomm Atheros AR3011 Driver (v10.0.0.300 or newer) Manual installation via Windows 10 Compatibility Mode Linux (Ubuntu/Mint) Native Support Included in the Linux Kernel ( ath3k firmware module)

This module typically supports Bluetooth 3.0 + HS or Bluetooth 4.0, depending on the exact revision of the internal chip (often paired with the AR9285 or AR9485 Wi-Fi chipsets). Yes, but you must permanently disable Driver Signature

Search for or "Qualcomm Atheros Bluetooth" . Filter by the latest architecture (x64 for 64-bit systems).

Visit the official support page for your laptop manufacturer (e.g., ASUS Support, Acer Support). Search for your specific laptop model. Look under the "Bluetooth" network category

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Because they are separate subsystems. Wi-Fi uses PCI-E; Bluetooth uses USB. Your USB controller or driver for the Bluetooth side is broken.