sudo mkdir -p /lib/firmware/brcm sudo wget -O /lib/firmware/brcm/BCM2035B-0a5c-200a.hcd \ https://github.com/winterheart/broadcom-bt-firmware/raw/master/brcm/BCM2035B-0a5c-200a.hcd sudo modprobe -r btusb sudo modprobe btusb
Upon reboot, press or F7 to select "Disable driver signature enforcement" . Retry the manual installation process. Running in Compatibility Mode
Installing the BCM2035B USB Bluetooth driver is a straightforward process:
Click and navigate to the folder where you extracted the driver files. bcm2035b usb bluetooth driver
If your BCM2035B chip came built into an older laptop (such as an old Dell Inspiron, HP Pavilion, or ThinkPad): Go to the manufacturer's official support website. Enter your laptop’s specific serial number or model.
This is the most common error with legacy hardware on modern Windows systems. It usually means the driver is incompatible with Windows 10/11 Core Isolation or Driver Signature Enforcement.
Locate the (or Bluetooth controller under Unknown Devices). Right-click the device and select Update driver . Choose Browse my computer for drivers . Select the folder where you extracted the driver files. If your BCM2035B chip came built into an
The Broadcom BCM2035B is a legacy Bluetooth controller chipset found in many older USB dongles, embedded modules, and laptops. If you are trying to connect classic wireless peripherals to a modern operating system, you likely need the specific to make the hardware communicate correctly.
Check for updates. Look under if the driver doesn't appear immediately. Method 2: Manual Download from Manufacturer
Select the principal .inf file (often named bcbtums.inf or similar Broadcom naming conventions) and click , then OK . It usually means the driver is incompatible with
Method 1: Using Driver Identifier (Recommended for BCM2035B)
Because this chip is older, you may need to rely on legacy driver archives or vendor-specific sites.
Supports multiple host controller interfaces, including USB 1.1/2.0 , UART, and PCM audio for voice data.