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TCP/IP - Windows 7 / Vista

Was cleaning a Vista x64 computer and lost network connectivity. No DHCP connection, hard set an IP, still no ping out, con connectivity. Disabled internal NIC and added PCI NIC, same issue. Tried USB Ethernet adapter, same. Even tried USB wireless adapter. It saw the SSID and took the password, then no IP other than the 169. default one.

Ran Rkill, Rouge Killer, Malwarebytes, even Tweaking.com's repair suite. Removed drive and scanned with Vipre and TDSSKILLER. No rootkits.

So in desperation I imaged the drive and did an upgrade to Windows 7 Ultimate, SAME ISSUES!!

It's not location specific either because I have worked on it at two different places.

An ipconfig /renew returns "unable to contact your DHCP server".

I'm stumped.
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comnet_nm
Asked:
comnet_nm
1 Solution
 
Dirk MareSystems Engineer (Acting IT Manager)Commented:
Is DHCP enabled on your router or server?

Can you confirm if any other device can connect..
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comnet_nmAuthor Commented:
I fixed it.
Was cruising the registry and found some Norton droppings, looked like Norton 360.
Must have been removed at some point but only partially.
I found and downloaded a removal too, ran it, rebooted and now all is well.
Thanks anyway!
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aadihCommented:
Great. You (went to great lengths) and fixed it. :-)
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Dave BaldwinFixer of ProblemsCommented:
For what it's worth, most antivirus programs install a proxy that all of your internet connections go thru.  Norton and McAfee often do not uninstall properly and leave the proxy redirection there without a proxy software to manage it.  Which is why they both have 'Removal Tool' software.  Some others do too.
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comnet_nmAuthor Commented:
It is self serving, but I hope it will help someone else in the future.
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