First, the Bluetooth service is open?
1, click the Start menu, enter the control Panel, as shown in the following picture!
2, in the Control Panel page, select "System and Security."
3, in the System and Security page select "Management tools."
4, in the list of administrative tools, double-click Services to open the Service list page!
5, in the list of services to find the Bluetooth device system services, the normal state has been started, if not started, right-click the service, in the right menu to start the service!
Second, to confirm the Bluetooth driver is normal?
1, check your system bluetooth driver is abnormal, right click on My Computer-properties, access to the computer Properties page, as shown in the following picture!
2, in the Computer equipment page click "Device Manager" to enter, as shown in the following figure!
3, in the Device Manager to find the Bluetooth device, the normal driver should be the following figure this state, if there is an exception, the Bluetooth device will have a yellow exclamation point appears! Of course, you can also right-click your Bluetooth device and update your Bluetooth driver!
Third, make sure the Bluetooth settings are correct?
Locate the Bluetooth logo in the lower-right corner of your computer, and then right-click the Bluetooth logo, pop-up menu, and click Open Settings. As shown in the following figure!
On the Settings page, check the checkbox before "Allow Bluetooth devices to find this computer", "Allow Bluetooth devices to connect to this computer", as shown in the following figure, and then click Apply! If it is a mobile phone, you also need to set the interface in the Bluetooth settings! After a series of repair can be connected!
According to the above steps, first confirm that Bluetooth is turned on, do not open it to open, if the driver problem to update the driver, if it is because the initial settings error causes Bluetooth function can not be used normally, you need to reset. After the confirmation, the normal can use Bluetooth. Mobile phone transmission data is good to use, not the data line.