wifi not working in hp probook450 g1

I I’ve been using OpenSUSE 13.1 KDE on hp probook450 and WiFi does not work
what can i do to solve this problem
in other words My Wireless Internet Doesn’t Work on My Laptop Anymore
thanks

Did it work previously?

If not, please copy paste the output of the following command here, run it from a terminal as the normal user: /sbin/lspci

Put it between code blocks ( # icon in the toolbar in the editor )