|I guess not, what your pc is saying,|
You and your neightbour has the same housenumber and the mailman doesnt know where to delivere the mail for you.
If you look at the right down of your screen, you will see two small screens, press on it with rightmousclick.
select properties. it opens a new window.
select in the window for IP and choice agian for pro...
there are two option, set those option in automatic and not manual. Press ok and agian ok and wait for few second.
If the rest is ok, you will have internet back.