Authentication page isnt working

[mrsbaby58]

i just bought my new laptop which is acer swift 1. i couldnt connect to internet as it says AP adress is invalid. then, the wifi login page also isnt appear. please help me !

 

[Colif]

See if the advice here helps: http://questabuzz.com/how-to-fix-invalid-ip-configuration-in-windows-10-and-8-1/