: Many of these dongles use CSR (Cambridge Silicon Radio) or Realtek chips. Right-click Start and select Device Manager . Find the "Unknown Device" (likely under "Other devices"). Right-click it > Properties > Details . Change the dropdown to Hardware Ids .
: Plug the dongle into a different USB port and restart your computer. Windows 10 and 11 often recognize these dongles as "Generic Bluetooth Radio" or "Bluetooth USB Adapter" automatically. Use Windows Update : Open Settings > Windows Update . Click Check for updates . Launchstudio.bluetooth.com Listingdetails 75270 Driver
: For Ubuntu or other distros, these dongles (often Barrot or CSR) may require specific firmware files to be moved into the /lib/firmware/rtl_bt/ directory. : Many of these dongles use CSR (Cambridge
: If you are on an older system like Windows 7, tools like the Bluetooth Driver Installer can often patch the generic Microsoft driver to work with your specific hardware. Troubleshooting Common Issues Right-click it > Properties > Details
: Ensure the Bluetooth Support Service is running. Type "Services" in the Windows search bar, find the service, and set its startup type to Automatic .
Copy the ID (e.g., USB\VID_0A12&PID_0001 ) and search for it online to find the exact manufacturer.