Yesterday, when I went into Network Connections in Control Panel and enabled the Ethernet feature (to use an Ethernet-based router), it disappeared from the Network Connection window. When I now look in Device Manager, there is an exclamation mark next to "NVIDIA nForce 10/100 Mbps Ethernet" under "Network adapters". The device status is "Windows cannot load the device driver for this hardware. The driver may be corrupted or missing. (Code 39)".
12 Dec 2010
Microsoft Windows Hardware Compatibility Publisher
GeForce6100SM-M2 (contains on-board Ethernet connection)
Graphics (as reported by Speccy utility):
GeForce 6100 nForce 405
Windows XP SP 3
What is the best way to fix the driver issue? I have a CD that came with my motherboard. However, I had this in December 2007, but the driver I have installed says 2010. Would it be okay to install an older version from this CD? Is a 2010 (or better) stable version available from any official source? Do I need to uninstall the existing driver first? I tried running Windows Update (www.update.microsoft.com) but it did not recommend any Ethernet driver. Also, I would like to install just the Ethernet driver, since my system appears to be working well and stable otherwise.