I expect you've not connected your laptop to wifi meshing decent. try to link your laptop to wifi erstwhile again, may be you've missed several steps patch conjunctive. If you're careful about the transferral then try the tailing statement: rightist sound on " my computer" , superior "manage", select "gimmick manager", see the wireless device, faction penetrate on the manoeuvre administrator and remove the the utility for wifi from your group. After uninstalling it, reinstall that utility after. After instalment restart your system.