TCP/IP Settings for ethernet adapter won't stick

I have a machine with a K8N NeoF-4 motherboard from AMD. It has an onboard nVidia nForce4 ethernet adapter. I have Windows XP Pro X64 installed. When I go in to manually set the TCP/IP settings everything looks good. However, once I close the Properties for the ethernet adapter, the settings revert back to DHCP. The problem is that DHCP info is not being pulled either.
jimstricklandAsked:
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2PiFLCommented:
Are you logged in with administrator credentials?
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jimstricklandAuthor Commented:
Yes, I am logged in as an administrator.
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kind4meCommented:
Are you sure you are using the correct (64 bit) drivers for the card?
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kind4meCommented:
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johnb6767Commented:
This is a total rebuild of the connection, including what seems like registry corruption.....

Are the following services started, and set to automatic in Start>run>services.msc.....

Network Connections
DHCP
DNS
Netbios TCP Helper

Make sure that you can ping by name and/or IP address.....

Start>run>cmd.exe

ping 4.2.2.2
ping google.com

Do both of these fail, or just one?

To totally rebuild your network connections.....

Go to the Device Manager>Network Adapters, and remove ALL NIC's from the device manager..

In the Device Manager, select View>Show Hidden Devices

(If the Show Hidden devices is not present, do the following command from a command prompt..)

start>run>cmd
set devmgr_show_nonpresent_devices=1

More information on that command here....
Device Manager does not display devices that are not connected to the Windows XP-based computer
http://support.microsoft.com/kb/315539

Go back to Network Adapters in the Device Manager, and make sure your adapters are all gone, including any older ones. (there will be several ' miniport' devices that are not able to be uninstalled....)

Then....

Start>run>CMD.exe

netsh int ip reset reset.log
netsh firewall reset
netsh winsock reset

Reboot and let Windows reinstall them...

Then make sure that the SP2/3rd party firewalls are all disabled, and retest....
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Darr247Commented:
I would start at Micro Star International's site for the latest BIOS and drivers e.g.
http://www.msicomputer.com/product/p_spec.asp?model=K8N_Neo4-F&class=mb
since the K8N Neo4-F is an MSI motherboard.
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