WiFi Stopped Working / Wan Mini port(IP) #2 yellow in device manager

I can't able to use WiFi , not showing any network, jub keh on other laptop it's working simply fine. in Device Manager > Network Adapter > Wan Mini Port(IP) showing yellow icon, all I remember there was no Wan Mini Port , it just appears suddenly with yellow warning icon.

Please help, without wifi i can't use net in my comfort.