The Broadcom Bluetooth 4.0 USB driver allows Windows to recognize the adapter and use it to communicate with compatible Bluetooth devices. If the adapter appears as an unknown device or Bluetooth controls are missing, installing a matching driver can help restore connectivity for peripherals such as keyboards, mice, and headsets.

Key Features

• Adapter recognition: Provides the driver components Windows needs to identify and operate the Broadcom Bluetooth 4.0 USB hardware.
• Wireless peripheral support: Enables connections with compatible Bluetooth accessories, with available functions depending on the device and Bluetooth profiles supported by Windows.
• Bluetooth 4.0 capabilities: Supports the adapter’s Bluetooth functionality, including Bluetooth Low Energy where supported by the driver package, operating system, and connected accessory.
• Windows integration: Works with Windows Bluetooth settings to help you discover, pair, and manage supported devices. Select a package intended for your specific version of Windows 11, 10, 8, or 7.

How to Install

1. Check the adapter and operating system. Open Device Manager and look under Bluetooth, Network adapters, or Other devices for the Broadcom Bluetooth 4.0 USB adapter. Confirm your Windows version and whether the system uses a 32-bit or 64-bit architecture.

1. Choose a compatible driver. Match the download to your Windows version and adapter hardware ID, available under Properties > Details in Device Manager. Similar device names can refer to different hardware revisions, so the name alone does not guarantee compatibility.

1. Extract and install the package. If the download is compressed, extract it first. Run the included installer and follow its prompts. If no installer is provided, open the adapter’s properties in Device Manager, select Update driver, and browse to the extracted driver folder.

1. Restart if prompted. After installation, restart the computer if requested. For an external USB adapter, ensure it is connected securely, preferably directly to a USB port rather than through an unpowered hub.

1. Test Bluetooth pairing. Open Windows Bluetooth settings, turn on Bluetooth, and place your accessory in pairing mode. Add the device and test its connection. If pairing fails, check Device Manager for errors and verify that the accessory is not already connected to another computer or phone.

Common Issues and Fixes

• Install fails or rolls back: Disconnect the Broadcom Bluetooth 4.0 USB adapter, run the installer as administrator, and temporarily disable antivirus. If Windows blocks the package, use the correct WHQL-signed Broadcom driver for your Windows version.
• Device not detected: Try another USB port directly on the PC, not a hub. Check Device Manager for unknown or disabled Bluetooth entries, remove hidden old Bluetooth devices, then reboot before reconnecting the adapter.
• Version conflicts or adapter disappears: Uninstall existing Bluetooth drivers and vendor software, restart, then install only the Broadcom package. Match the hardware ID and Windows build to stop Windows Update replacing it with a generic driver.