Can't able to access the internet in window server 2003 sp2 64bit.

Hi,

     recently i installed , windows server 2003sp2 64bit, every thing was perfect expect, internet.

Ican't access the internet in that server, i tried to update the LAN drives but no use, I tired t install Adapter drives no use.

What i have to do now,

Thanks in advance,

Surnedra Mannem.