deleted wifi recognition settings. how to repair wifi

I was on an airline flight to hawaii. I was trying to get my laptop of reset itself to identify and accept / use the southwest inflight wifi service to fix the problem. I stupid-illy used the minus option at the bottom to delete settings I assumed were the problem. All this did was eliminate all chance of getting wifi in flight or thereafter. Now my 2014 laptop fails to recognize and connect with any wifi/ what do I do to fix the problem?? thanks. gk