: Right-click the Start button and select Device Manager . Expand the Bluetooth section to find your adapter.
Because BTBU1 is often associated with older hardware, finding an "official" standalone installer can be difficult. Most users can resolve the issue using one of the following methods: 1. Windows Update (Recommended)
: Search for your specific model number followed by "Bluetooth driver" (e.g., "Intel 64-bit Bluetooth driver"). Run Installer : Locate the downloaded
Restart your computer. Windows will automatically attempt to reinstall the driver upon reboot. 3. Manufacturer Support Sites