Well, this isn't usually the type of questions you get on a place like this, but I think I can help.
Do you have a Facebook account or another digital service provider, such as Gmail or Dropbox? If you do you can attempt to do something along these lines; http
/trendblog.net/track-stolen-laptop-without-installed-tracking-program/
The police will probably have to get involved, however. I'm 80% sure of it.