BCM2045A0 is a specific hardware ID for Broadcom Bluetooth controllers often found in older laptops or USB dongles. When moving to Windows 11, users frequently see this device listed with a yellow exclamation mark in Device Manager because the operating system fails to automatically assign a compatible driver. What is the BCM2045A0 Device?
from your laptop manufacturer’s support site – but don’t install it directly if it’s old. Example: For Dell, search for “Dell Wireless 1704/1707 Bluetooth driver” (many of these use BCM2045A0). bcm2045a0 driver windows 11
The is a generic hardware identifier for a Broadcom Bluetooth chipset. If you see this in your Windows 11 Device Manager under "Other Devices" with a yellow exclamation mark, it means Windows recognizes the hardware but lacks the specific driver to make it work. Common Solutions for Windows 11 1. Use Windows Update (Recommended) BCM2045A0 is a specific hardware ID for Broadcom
If you are stuck in the same boat, here is what worked for me: from your laptop manufacturer’s support site – but
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.
Third-party repositories like DriverIdentifier host specific versions for various hardware IDs. Common Hardware IDs for BCM2045A0
