Fixing “Ethernet Doesn’t Have a Valid IP Configuration” on Windows

Encountering the “Ethernet doesn’t have a valid IP configuration” issue on your Windows system? Don’t worry; let’s walk through simple steps to get your Ethernet connection back up and running.

Understanding the “Ethernet Doesn’t Have a Valid IP Configuration” Problem

When your computer displays the “Ethernet doesn’t have a valid IP configuration” error, it means there’s an issue obtaining a proper IP address for your network connection.

Step-by-Step Solutions to Fix “Ethernet Doesn’t Have a Valid IP Configuration” on Windows

Let’s tackle this problem systematically:

1. Restart Your Router and Modem

  • Unplug the power cables from both your router and modem.
  • Wait for about 30 seconds.
  • Plug the power cables back in, starting with the modem and then the router.
  • Check if the issue persists.

2. Release and Renew IP Configuration

  • Open Command Prompt with administrative privileges (right-click Start, select Command Prompt (Admin)).
  • Type ipconfig /release and press Enter.
  • After that, type ipconfig /renew and press Enter.
  • Check if you now have a valid IP configuration.

3. Reset TCP/IP Stack

  • Open Command Prompt as an administrator.
  • Type netsh int ip reset and press Enter.
  • Restart your computer to apply the changes.

4. Update Network Drivers

  • Right-click on the Start button and select “Device Manager.”
  • Locate your network adapter under “Network adapters.”
  • Right-click on it and choose “Update driver.”
  • Follow the on-screen instructions to update the driver.

5. Check for Network Cable Issues

  • Ensure the Ethernet cable is securely connected to both your computer and the router or modem.
  • Try using a different Ethernet cable if possible.

6. Configure IP Address Manually (Advanced)

  • Open Network and Sharing Center.
  • Click on your connected network.
  • Select “Properties” and then double-click on “Internet Protocol Version 4 (TCP/IPv4).”
  • Choose “Use the following IP address” and enter the required details provided by your network administrator.


In conclusion, the “Ethernet doesn’t have a valid IP configuration” error can be resolved through these troubleshooting steps. By restarting devices, releasing and renewing IP configurations, updating drivers, and checking cables, you can often fix the issue and regain a stable Ethernet connection. If problems persist, consider seeking assistance from your network administrator or a technical expert. Happy browsing!