I have same problem with Lenovo g560 with Windows7 laptop freezes Everytime within 10-20 sec as soon as I connected to wifi

[Aditya_545]

Need help if anyone can
Model number Lenovo G560
Windows 7
Freez within 10 sec I connected to wifi

 

[hang-the-9]

Check for a newer BIOS and WiFi drivers from Lenovo support site. Does the laptop lock up fully or only the web browser?