Authentication Problem: Even after typing the correct passoword
That's a common problem that occurs with may users.
well the solution is pretty simple 
Go to settings > wifi > select the wifi you want to connet
Now when it ask for password.
Fill the password.
down below there will be advance settings open that. Locate Ip settings and change it from DHCP  to Static 
there just change de ip to 192.168.1.X
[X] be any number like 32,24,64 

just do that and click connect. it will connect.