Your board might use a Realtek RTL8111 (rare for G41, but possible). Download Realtek PCIe GBE driver: https://www.realtek.com/en/component/zoo/category/network-interface-controllers-10-100-1000m-gigabit-ethernet-pci-express-software
However, if you are trying to breathe new life into an old machine by installing Windows 7, you may encounter a frustrating hurdle: the missing LAN driver. Without a working internet connection, you cannot activate Windows, download updates, or install other necessary drivers. If you have found yourself frantically searching for , you have come to the right place. enter g41 motherboard lan drivers for windows 7
Without these drivers: