Use your actual Hardware ID. Run this as admin when Bluetooth fails.
Locate (likely under "Other devices" with a yellow exclamation mark). Right-click it and select Update driver . Choose "Browse my computer for drivers" . bcm2045a0 driver windows 11
Microsoft’s Windows 11 Update does automatically provide a driver for the BCM2045A0. Additionally, many OEMs (Dell, HP, Lenovo) stopped updating drivers for this chip after Windows 8.1 or early Windows 10. This leaves users in a frustrating loop. Use your actual Hardware ID
This chip supports Bluetooth 2.1 + EDR (Enhanced Data Rate) and, in some revisions, Bluetooth 3.0. While Windows 11 has native drivers for many modern Bluetooth adapters, the BCM2045A0 sits in a gray area: it’s old enough that Microsoft doesn’t include specific inbox drivers, but it’s still perfectly functional if you provide the right software. Right-click it and select Update driver
Select . Scroll down to Bluetooth and click Next.