How to automatically connect to the wireless network in Windows 7 system

Why does the wireless network click on the connection every time, does not automatically search for automatic connection to the wireless network? Here is how to open or close the automatic connection to the wireless network in Windows7 system.
The operation steps are as follows:
1, find the wireless icon in the lower right corner of the desktop, and then left click;
2, find the name of the connected wireless network, right click on the wireless network to be set;
3 Click the link, check or uncheck the box for [Automatically connect when this network is in range], and click OK.