Notebook win7 Bluetooth open method

We will encounter the Bluetooth logo in the lower right corner is gone, check the computer's device manager, you can't see the Bluetooth module, there is no Bluetooth in the accessory. At this time, first look at whether there is a driver installed, you can download the driver to choose the official website driver, and then automatically update.
If the Bluetooth driver is normal, but double-click the Bluetooth icon in the notification area of ​​the taskbar, the opening process is very slow.
The operation of opening the notebook win7 Bluetooth is as follows:
1. In the win7 system, right click on the computer ”——“Manage”——“Services and Applications", open the service, as shown:
2. Find the Bluetooth Support Service in the pop-up service window, right click on the property , set the startup type to automatic, and start the service, the problem is solved.