All I get is a IP address which starts with 169. and I think this number shows the system is using the loopback.
Loopback interface uses 127.0.0.1 not 169.x.x.x unless you're doing magic.
Can you ping the router?
Have you got a firewall on?
Have you tried clearing your networking configuration completely and restarting the configuration?
Does some other pc/OS work with your hardware/router?
Can you connect to another pc via hub or different router or something?
What kind of ip address should
you have (what're the first numbers)?
Have you contacted your ISP/helpdesk, or if it's your own ethernet, have you configured the router etc. correctly?