Because the BCM2045A0 is OEM-specific, the safest drivers come from your laptop manufacturer, even if you have a generic motherboard.
Windows 11 often carries these drivers in its optional update library. Go to > Windows Update . Click Advanced options > Optional updates . bcm2045a0 driver windows 11
While some third-party sites offer standalone .inf files for BCM2045A0, it is highly recommended to use the official manufacturer source or Windows Update to avoid potential malware or corrupted files. Because the BCM2045A0 is OEM-specific, the safest drivers
Since Broadcom no longer provides direct consumer downloads for this legacy chip, you must source the driver from the specific device manufacturer. 1. For VR Users (HTC Vive / Vive Pro) If you see "BCM2045A0" while setting up a Vive headset: Update Bluetooth drivers in Windows - Microsoft Support Click Advanced options > Optional updates
Integrated Bluetooth for HTC Vive VR systems, older Lenovo/Dell laptops, and legacy Apple MacBooks running Windows via Bootcamp. Windows 11 Support:
If this guide solved your problem, share it with a friend who’s still struggling with the yellow exclamation mark. And remember: when it comes to legacy drivers on a new OS, patience and methodical troubleshooting always win.
: The link box uses this chip to communicate with the VR headset and controllers.