Emergency Windows 2008 R2 All Nics Gone

Network Bridge was deleted. All nics in network connections gone. Device manager shows NIC cards , internal motherboard broadcom and intel dual port adapter with yellow error sign saying driver can't load. have tried uninstalling cards and reinstalling as well as reboots. nothing. no adapters active. ANYONE PLEASE!
jsgouldAsked:
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jsgouldConnect With a Mentor Author Commented:
this worked for me:
HKLM\SYSTEM\CurrentControlSet\Network - delete the "config" key and all is well in the world. 2 1/2 hours with one Dell rep. call back 5 minutes with another. amazing.

#dariusg - tried both ways

Sorry boys no points on this one. thank you though
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Darius GhassemCommented:
Uninstall the network card driver and software reboot server.

Reset the TCP\IP stack

http://support.microsoft.com/kb/299357

Install Drivers and software again
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jsgouldAuthor Commented:
nothing did not work at all same thing. any other thoughts? i have no way to reset or re-add the bridge? maybe that brings it back
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.Connect With a Mentor Commented:
Have you seen this article ? http://support.microsoft.com/kb/825826 
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jsgouldAuthor Commented:
been on the phone with dell. now we are at the point of the drivers showing in device manager with either error code 1 or error code 31. if i try to update the drivers. ( i downloaded the latest) I Get you already have the latest drivers. I'm stuck here.  can get the OS to load the device drivers.
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Darius GhassemCommented:
Are you pointing the system to the drivers or are you allowing the system to search for the drivers? Have you tried not going through device manager instead install drivers from the driver installer>
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Darius GhassemCommented:
The TCP\IP reset should have taken care of  that. I'm glad it is working
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.Commented:
You should have read my article:

Click Start, click Run, type regedit, and then press ENTER.
Locate and then click the following registry subkey:
HKEY_LOCAL-MACHINE\SYSTEM\CurrentControlSet\Control\Network
Right-click this subkey, click Export, and then save the selected branch in a file.
Click the Network subkey again, and then delete the Config entry. Do not delete the Network subkey. The Config entry will be reconstructed when you restart the computer.
Restart the computer. You may have to manually turn off the computer.
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.Commented:
My article stated this action.
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_alias99Commented:
All,
 
Following an 'Objection' by johan_strange (at http://www.experts-exchange.com/Q_26649576.html) to the intended closure of this question, it has been reviewed by at least one Moderator and is being closed by accepting the author's answer and awarding points to an Expert comment as an assisted answer.
 
At this point I am going to re-start the auto-close procedure.
 
Thank you,
 
_alias99
Community Support Moderator
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