My mac air book does not log on Internet

[iMore Question]

It used to belong to my sister

 

[anon(9602380)]

Welcome to iMore!

This could be caused by few things. Are you using the same Internet Service provider as your sister was? Was she set up for LAN or WiFi? Are you going through a router or direct to your modem. Is your internet password protected? It could be one or several things. Please feel free to sign up and become a member so we can better assist you. This way you can also provide us with more information.