First, click on the wireless icon in your taskbar and under Related Tasks, choose Change advanced settings.Now click on the Wireless Networks tab and select the network in the list at the bottom.
Screenshots are taken from Professional version thus may slightly differ from other versions (e.g.
Deselect the check box for Automatically use my windows logon…and click OK and close all the windows. After the configuration is done a Wireless Network connection message will pop up,click on the message to start the login process 8.
Make sure Validate server certificate is selected then click on configure 6.
If your network is Encrypted go on to step 6 otherwise Click ok and try to connect to your network again.
In this window make sure you are in the "Association" tab.