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Q: Why is my BCM2045A0 driver not working on Windows 11? A: There could be several reasons, including an outdated driver, corrupted files, or conflicts with other devices.

Extract the downloaded .cab file to a folder on your desktop.

Go to .

can reveal the adapter, allowing you to uninstall and reinstall it to fix corruption. VIVE Forum Troubleshooting Connectivity Issues

Right-click the top value (it usually looks like USB\VID_0A5C&PID_2101 ) and select . Step 2: Download and Install the Matching Driver

If your device is shown as "Unknown Device" under "Other Devices," forcing a generic Windows driver can sometimes work.

To resolve a "BCM2045A0" error in Device Manager, try these steps in order:

Solution 3: The "Unknown Device" Fix (Forcing a Generic Driver)

Search for any listing mentioning , BCM , or Bluetooth .

: Because this chipset is nearly 20 years old, it may lack the modern security protocols (like Secure Simple Pairing) required by some Windows 11 features. WIDCOMM Drivers : If manual selection fails, search for the Broadcom WIDCOMM Bluetooth software

Last updated: January 2026 – Tested on Windows 11 Pro 23H2 and 24H2 (Preview). Have a unique issue? Leave a comment below or consult the Broadcom community forums.