Try the for older support pages, or use Intel Driver & Support Assistant if your combo card has an Intel component (some dual-mode cards show BCM2045A0 for Bluetooth but Intel for Wi-Fi).
Most BCM2045A0 chips do not need a brand-new download. They often work perfectly using generic Broadcom drivers already hidden inside the Windows 11 driver store. You just need to point your system to them manually.
Since the BCM2045A0 is often part of a specific laptop model, the best source for the driver is the laptop manufacturer's website (e.g., HP Support Assistant, Dell Support site).
Click and ignore the update warning to finish the installation. Method 3: Download WIDCOMM Bluetooth Software
What is the exact of your computer or motherboard? bcm2045a0 driver windows 11
Q: Can I install an older version of the BCM2045A0 driver on Windows 11? A: It's recommended to install the latest version of the driver for optimal performance and compatibility.
Windows 10 and 11 have native Broadcom Bluetooth drivers built-in. So why doesn't Windows 11 just handle it? Two reasons:
: Press Windows Key + R , type services.msc , and ensure that Bluetooth Support Service is running and set to Automatic .
If only a Windows 10 driver is available, it will usually still work. Try the for older support pages, or use
Seeing an error for the BCM2045A0 driver, particularly on Windows 11, is surprisingly common. The root cause is almost always a software or configuration problem, not a hardware failure. Here are the most frequent reasons:
If "Broadcom" appears, select it and try to find a compatible BCM2045 model.
Click .
(not the installer).
Select a compatible Bluetooth 4.0 or 3.0 driver (e.g., "Broadcom BCM20702" or similar) and click Next. Where to Download BCM2045A0 Drivers
Download a trusted driver update tool (e.g., Driver Easy or Snappy Driver Installer).
If not, try selecting as the hardware type and selecting Broadcom from the manufacturer list. Method 3: Using Third-Party Driver Tools (Recommended)
Given the age of the BCM2045A0, it may not be officially supported in future Windows 11 updates. A $10–$15 USB Bluetooth 5.0+ adapter is a reliable, permanent fix. Summary Table: Fixing BCM2045A0 Yellow Alert in Device Manager Right-click -> Update Driver -> Automatic Device is "Unknown" Manual install from Manufacturer (Dell/HP) Driver installs but doesn't work Reinstall in Compatibility Mode (Win 10) Cannot find driver Buy a USB Bluetooth Adapter You just need to point your system to them manually