I just got a mac book and I loaned it to a friend who diabled my internet, how do I connect it back

[iMore Question]

This is my first time with a mac and my internet which I was using safari got disabled, where how can I turn it on again

 

[drummerjb]

This is my first time with a mac and my internet which I was using safari got disabled, where how can I turn it on again

From your desktop, you'll see there is a bar across the top; over to the right should be a symbol that looks like an upside-down triangle. If you click on that, you should be able to reconnect to your home's wifi connection. It's called your Mac's Airport.
Good luck! Let us know how that goes.