💡 If your hardware is over 10 years old, a cheap $10 Bluetooth 5.0 USB adapter is often a better solution than struggling with legacy drivers on a modern OS.
Select .
With the right driver version (preferably 12.0.1.1010), your BCM2045A0-based Bluetooth adapter will work reliably on Windows 11—pairing headphones, mice, keyboards, and even game controllers without issue. bcm2045a0 driver windows 11
Right-click in Device Manager and select Properties . Navigate to the Details tab. Click the Property dropdown menu and select Hardware Ids .
If you’ve recently upgraded to Windows 11 or performed a clean install, you might have noticed an "Unknown Device" in your Device Manager, or your Bluetooth might be missing entirely. One of the most common culprits is the BCM2045A0 Bluetooth module, often found in older laptops and desktops. Because Windows 11 sometimes struggles to find this driver automatically, you have to install it manually. Here is how to get your Bluetooth working again. 💡 If your hardware is over 10 years
If the driver installs but shows an "Error Code 10 (This device cannot start)," try these steps:
Open your web browser and navigate to the . Right-click in Device Manager and select Properties
Select (or generic Microsoft) as the manufacturer, choose a standard Bluetooth driver, and click Next to install. Method 3: Download the Manufacturer Driver
To prevent Windows 11 from breaking your working Broadcom driver during future system updates, open , navigate to System and Security > System > Advanced system settings . Go to the Hardware tab, click Device Installation Settings , and select No (your device might not work as expected) . This stops Windows from automatically replacing your functional, manually installed driver with an incompatible generic update.