Right-click the top value (it usually looks like USB\VID_0A5C&PID_2101 ) and select . Step 2: Download and Install the Matching Driver
Windows 11 has stricter driver signing requirements and deprecates older Bluetooth stacks (e.g., Microsoft’s generic Bluetooth enumerator often fails with pre-2016 Broadcom chips). Many BCM2045A0-based modules rely on proprietary drivers that Microsoft does not distribute via Windows Update.
If your Bluetooth hardware remains non-functional after attempting these methods, the internal Broadcom chip may have suffered a physical hardware failure, or it is entirely deprecated by modern Windows 11 architecture. In such cases, purchasing a cheap, plug-and-play is a highly effective, low-cost solution to instantly regain wireless connectivity. bcm2045a0 driver windows 11
Because Microsoft does not provide a generic driver for the BCM2045A0, the safest and most reliable approach is to obtain the Bluetooth driver directly from the vendor that built your computer.
Find the device with the yellow exclamation mark (often under "Other devices" or "Bluetooth"). Right-click it > Update driver Browse my computer for drivers Let me pick from a list of available drivers on my computer from the list, then look for under Manufacturers. Choose a generic driver like Broadcom Bluetooth 4.0 USB and click Next to install. Microsoft Learn 3. Manufacturer Support (Dell/Lenovo/Apple) Right-click the top value (it usually looks like
A botched Windows Update may have corrupted the existing Bluetooth driver.
A solution that has helped many Windows 11 users involves disabling the Memory Integrity setting under Core Isolation, particularly when the BCM2045A0 conflict is related to a VR headset such as the HTC Vive Pro 2. Find the device with the yellow exclamation mark
Laptop manufacturers often bundle custom Broadcom drivers tailored to their specific hardware configurations.
The BCM2045A0 label represents a specific integrated into many laptops, motherboards, and USB dongles.
If you’ve tried all three methods and the BCM2045A0 still shows errors, consider these possibilities: