What if the Win7 wireless network connection is gone?

With the continuous development of the network, wireless networks have been widely used, and nowadays mobile phones and computers are often used, but recently a friend told me that the wireless network connection in his win7 system is gone, only one local connection is left. However, what should I do if I encounter this problem? Now let me share with you how the Win7 wireless network connection is gone.
Method 1,
First open the Control Panel, then select Network and Sharing Center, then select "Change Adapter Settings" on the left side, then check if the wireless network connection is disabled, if it is disabled, reconnect ;

Method 2,
Check that the wireless switch is turned off, the notebook keyboard has a button for wireless signal transmission, press fn + that button to open the wireless network.
Method 3,
1) On the keyboard press “win+r”Open the Run dialog box, then enter regedit to open the Registry Editor;

2)Expand “HEKY-CURRENT -USERSoftwareClassesLocal settingsSoftwareMicrosoftWindowsCurrentVersionTrayNotify”item;

3) Then delete “IconStreams and PastIconsStream” in the right side of the window, click the OK button to save and exit. Log out of the system to restart.
The above is the solution to the Win7 wireless network connection is gone, if you also find that your wireless network connection is gone, then try the above method, I hope to help you.