Fix Invalid IP address problem in Windows 11/10 by following these suggestions. Restart your modem, refresh your IP address, and verify network settings.

Without a valid IP address your computer cannot use the network. A variety of reasons can make an IP address invalid, such as address conflicts with other computers and network configuration problems.

Fix: Invalid IP address problem in Windows 3] Run Network Adapter Troubleshooter Like running the Internet Connections Troubleshooter, you can also use the Network Adapter Troubleshooter.

Why Does My Computer Say There Is No Valid IP Address When I Connect My Modem to My Laptop?. If a computer is unable to configure a valid Internet Protocol address, it can't connect to a network.