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Last updated: October 2025 – Tested on Windows 11 22H2, 23H2, and 24H2 builds.
Sometimes the download is just a folder full of files without an installer. This is actually better for Windows 11. bcm2045a0 driver windows 11
Under , look for "GenericAdapter" or Broadcom . Under Model , select "Generic Bluetooth Adapter" . Last updated: October 2025 – Tested on Windows
If you are seeing a yellow exclamation mark next to this name, or if your Bluetooth functionality has suddenly vanished, you are not alone. The BCM2045A0 is a Bluetooth chipset often found in OEM desktops (like HP or Lenovo) and generic USB Bluetooth dongles. While it worked perfectly on Windows 10, Windows 11 often struggles to recognize it automatically. bcm2045a0 driver windows 11