If your Bluetooth devices do not work properly on a computer running Windows 10, Windows 8 or Windows 7, you need to update the device drivers, check the status of the two associated services and apply this Microsoft patch to see if anything helps.
Bluetooth does not work under Windows
1] Update your Bluetooth drivers . This helps to solve the problem in most cases.
2] For Bluetooth to work, the Bluetooth, Bluetooth Device Monitor, Bluetooth OBEX Service and Bluetooth Support Services must work correctly, so make sure they are running and working. To do this, run services.msc to open the Service Manager. Check that they are set to Automatic (delayed) and that the service is started and running. If this is not the case, click the Start Service button to start the service. Let’s see if it helps.