1, first of all, to determine the cause of the Bluetooth can not be opened, due to the Bluetooth with less, so it is possible that the optimization software will be disabled, this time you need to first disable from the optimization software;

2, and then open the degree of Win + i computer settings, in the wireless settings to view the Bluetooth that is, the Bluetooth has not been opened;

3, or open the Control Panel - Management Tools, ask to enter the local services, find the Bluetooth Support Service service item, set it to the local services. p>

3, or open the Control Panel - Administrative Tools, asked to enter the local services, find the Bluetooth Support Service service item, set it to "automatic", and restart this service;

4, in addition, the laptop also has a shortcut combination of Bluetooth key, the answer is generally The Bluetooth key combination is the fn key + Bluetooth key, different computers may have different Bluetooth key location, find and open back, when the Bluetooth light on the computer is lit on the answer that it has been turned on.

If the problem is not solved, then look for other communication software that may be in conflict with it.