Have you tried to Install the drivers from RealTek?
And find below the latest drivers from Intel.
yes i tried both, i even updated my bios, but thats still not working. every diver that i try 7, vista and xp ones dont work, Thats always the same "windows was unable to install your ethernet controller. windows could not find driver software for yout device.
if you know the manufacturer of your device you can visit its website and check the support sextion for driver software." when i try to instal by myself, and when itry automatic it happens the same error " The Realtek Network Controller was not found. If Deep Sleep Mode is enabled Please Plug the Cable". does anyone have another ideia? ths for try to help