I just upgrade from bulid 7000 to build 7057. when i try to connect to the internet it gets connected but when i try to surf no page loads. when i clicked on diagonise problem it says my comp doesnt have a valid ip config, wat do i do 

My Computer
- OS
- windows 7 Ultimate 32bit
- CPU
- intel c2d e7200 2.53ghz
- Motherboard
- asus p5gcmx/1333
- Memory
- 2gb DDR2
- Graphics Card(s)
- nvidia GeForce 7300SE
- Monitor(s) Displays
- samsung sync master 793s
- Screen Resolution
- 1280X1024
- Hard Drives
- 250gb seagate
- Case
- Circle
- Keyboard
- iball
- Mouse
- iball
- Internet Speed
- 512kbps