how to enable wireless LAN at lenovo laptop

In my lenovo laptop crtl+f5 is not working for wirless LAN enable. Moreover, enable/disable of wireless  button which in the side of the laptop is also not working properly.

I was searching for the solution. At last I have found that. I downloaded Update Lenovo Energy management  and restart the system. The link is below
Lenovo Energy management

জুমলার ১.৫ এ কম্পোনেন্ট এ পেইজ টাইটেল চেইঞ্জ করবেন কিভাবে?

নিচের কোডটি কম্পোনেন্ট এর ভিউ অংশে লেখলে আপনি টাইটেল চেইঞ্জ করতে পারবেন।

Browser Titlebar: $document->setTitle('Browser Title');

For the browser title bar don't forget to include $document = JFactory::getDocument(); prior to the call.