You are wanting a network controller or a driver for it? If the former, I suggest fleabay. If the latter, your out of luck since eMachines never shipped this desktop with Windows 7 OS installed. They only shipped it with Windows XP and Windows Vista installed, hence Windows 7 is an un-supported OS by eMachines. I'd be tempted to try the Windows XP driver......
http://support.gateway.com/us/en/ema...1&modelId=1461
There might be a slight chance I could find a working driver if I knew what the hardware ID string was/is.
Double-click the device in Device Manager, click the Details tab, give me the first line of text.... should start with PCI/VEN........
Don't you have and know what the EDIT button is for? You could have changed the "Model=" line.... not sure about the header but I took care of both for you.