Restart your Modem, Router, and Computer.The following are ways to fix the ethernet doesn't have a valid IP config error in Windows 10: This guide will walk you through various fixes to help you fix the error “Ethernet does not have a valid IP configuration.” Summary: Fix Ethernet Doesn’t Have A Valid IP Configuration in Windows 10 This error can be caused by many reasons, from faulty network adapter drivers to incorrect network configuration. This network protocol enables servers to automatically assign an IP address to your computer for a specific network.Īs a result, the computer cannot be assigned a valid IP address, meaning it’s not able to connect to a network and the Internet. Whenever you get the error “Ethernet does not have a valid IP configuration,” your ethernet connection is not receiving a valid IP address from the DHCP (Dynamic Host Configuration Protocol). It is used to communicate with other devices or on the Internet. An IP helps your PC identify itself within a network it is trying to connect to. Your computer uses an IP (Internet Protocol) address to connect to the Internet.