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Windows 7 PC is Getting Unidentified Network

PC is a new Dell OptiPlex 3010 is running Windows 7 Pro in a Windows domain (SBS2008). All other workstations are working fine
-      Cant grab an IP address
-      Network adaptor is configured for DHCP
-      Attempted Hard coded a static IP to no avail
-      Replaced network cable
-      Checked and confirmed data port

Ran diagnostics. NIC passes
Uninstalled the NIC driver, downloaded and installed the latest driver from Dell to no avail
Uninstalled the McAfee Internet Security software
Dell Replaced the motherboard under warranty – to no avail
Attempted safe-mode with networking – to no avail

I'm trying to avoid having to rebuild the PC.
Any suggestions would be appreciated

SOLUTION

dbrunton

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Andreas Gieryic

ASKER

- attempted to logon as the domain admin but since there's not network connection, it cant authenticate.
- attempted system restore to no avail
- I will attempt placing the PC into a workgroup

ASKER CERTIFIED SOLUTION

Jason Johanknecht

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Andreas Gieryic

ASKER

I did move the PC to a different data port on the switch and to a different good known data port in a different office

Andreas Gieryic

ASKER

I cannot ping out anywhere after hardcoding. It does ping via loopback 127.0.0.1 but that doesn't mean anything referencing this issue

dbrunton

Try booting from a Linux live CD such as Ubuntu. See if that can access the Internet.

Andreas Gieryic

ASKER

resolved
I have a 48 port Dell PowerConnect switch. It appears the first 12 set of ports are hung but existing users are connected. If I plug into any of the free ports in the first 12 set of data ports, I get no internet connection. If I plug into any of the last 3 sets of ports on the switch, I can connect to the internet.

At this time I cannot power off/on the switch because users are working. I'm sure once I power it off and back on, all ports will be fine

Thanks to all for you supported posts

Andreas Gieryic

ASKER

Moving the PC to another data port from the switch or physical location would have resolved the issue - but as mentioned above, I did so but that data port was on the same 12 ports that were hung up

Thanks again for all your help