authentication error in wi fi Samsung Note 2

[AC Question]

Hi My samsung Note 2 just had a change of mother board. However, since then it is not connecting to any wi fi network and shows authentication error after scanning for 2-3 minutes. It is however, connecting to mobile hotspots through wi fi. Can some one help please

 

[B. Diddy]

Welcome to Android Central! Review this guide and see if the tips help: http://forums.androidcentral.com/am...roubleshooting-wi-fi-connection-problems.html