In case you have multiple historical pairings for the problem Bluetooth device it may be a good idea to delete all references to it on your host computer, including any connection that reports itself as active. Then try “pairing” again from scratch. If you need instructions on how to do this for your device just continue reading the details below.
Windows XP to Windows 7 | Windows 8 / 8.1
Apple OS X
Apple iOS (iPod, iPad, iPhone)
Google Android
Windows Phone