You’ll see it on Device Manager, but it’ll be marked as a conflicting device. If you’re planning to add another Bluetooth because the built-in adapter isn’t working correctly, first you need to disable the old adapter inside Device Manager, and then connect and install the new Bluetooth on your Windows 10 laptop, or tablet, or desktop. All content on this site is provided with no warranties, express or implied. Use any information at your own risk. Always backup of your device and files before making any changes. Privacy policy info.