Ok today when i started my laptop and login to ubuntu, and the wifi is not working anymore,
Now it shows my router network, but never connects to it, i tried deleting it and reconnecting with password, not working.
now i am posting this from windows
- - - Updated - - -
ok now again it started working after coming back to ubuntu, dont know what is happening, just followed the same procedure again and its working now.
will keep updated here