No Internet Access

I am running Windows Server 2003 Enterprise, I was having alot of problems setting up the network after I had to reformat everything because of a virus.  I finally got the computers to ping eachother, before that it would only ping up to the routers.  As soon as I did I was moving the server tower and accidently hit the power switch in the back and when I turned it back on I could no longer access the internet, it would not get an IP from the provider and up until then everything was fine.  I switch out network cards several times, reset the modem, a repair installation of Windows.  I can connect any other computer up to the modem and it resolves an IP fine and gets on the internet without any problems.  I called Adelphia and they said that the computer is requesting an IP and then when Adelphia authorizes it, it never asks for the IP again and then it go to the 169......address.  It is not a static IP its dynamic if that makes a different in terms of windows connecting to the internet, I never had a problem before though, just plugged it all in and it worked.
dfreitusAsked:
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chadConnect With a Mentor Commented:
Things to try ... one at a time.  Then check by running ipconfig /release and then ipconfig /renew

reset your tcp stack
http://support.microsoft.com/default.aspx?scid=KB;EN-US;Q299357&

reset winsock
http://members.shaw.ca/techcd/WinsockXPFix.exe

system file checker from command prompt
sfc /scannow


hope that helps
KaBaaM

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