Alright, I'll see if I can help you out. That screenshot doesn't tell me anything. Do you use a wireless connection or only a lan connection?
what you probably need to do is find the right driver
for your computer (lan). You'll need to fill this out: Fill out your system specs (this tool may help you out a great deal). That way I can let you know which one, and further help you out.
If ever you need to download something, try using another computer to download the program onto say a USB stick from the internet, and then load it on the other computer (because you say internet wont work).
Waiting for your response.