Ethernet Doesn’t Have a Valid IP Configuration Windows 11? Fix It in 2 Minutes (8 Working Fixes – 2026)

Last Updated: March 2026 | Read Time: 7 min | ✅ Tested on real Windows 11 devices

If your system shows the error “Ethernet doesn’t have a valid IP configuration” in Windows 11, it means your PC is unable to get a proper IP address from your router.

As a result, your Ethernet connection may show connected but no internet access. This issue is very common after Windows updates or network configuration changes — and in most cases, it can be fixed within minutes.

Why Does “Ethernet Doesn’t Have a Valid IP Configuration” Happen?

This error occurs when your PC fails to receive an IP address from the router (DHCP failure).

• Router not assigning IP address
• Corrupted TCP/IP settings
• Outdated Ethernet driver
• Fast startup bug
• Network configuration conflict

Fix 1: Restart Router and PC (Works for Most Users)

This simple step resets network communication and fixes temporary DHCP issues.

1. Turn off your PC
2. Turn off router for 2 minutes
3. Turn router back on
4. Start your PC

Fix 2: Reset TCP/IP and Renew IP Address

This is the most effective fix for IP configuration errors.

netsh int ip reset
ipconfig /release
ipconfig /renew

Restart your computer after running these commands.

Fix 3: Enable DHCP Automatically

Your system must receive IP automatically from the router.

1. Press Win + R → type ncpa.cpl
2. Right-click Ethernet → Properties
3. Open IPv4 settings
4. Select Obtain IP address automatically

Fix 4: Disable Fast Startup

Fast startup can cause network issues after shutdown.

1. Open Control Panel
2. Go to Power Options
3. Disable Fast Startup

Fix 5: Update or Reinstall Ethernet Driver

Driver issues are a major cause after Windows updates.

1. Open Device Manager
2. Expand Network Adapters
3. Update or uninstall Ethernet driver
4. Restart PC

If you are using Realtek adapter, read: Realtek Ethernet Not Working Fix

Fix 6: Change DNS Server

Preferred DNS: 8.8.8.8
Alternate DNS: 8.8.4.4

This improves network stability.

Fix 7: Check Ethernet Cable and Port

• Try a different LAN cable
• Switch router port
• Check LED lights

Fix 8: Network Reset (Last Option)

This will reset all network settings.

1. Settings → Network & Internet
2. Advanced settings → Network reset

Related Windows 11 Network Fixes

• Ethernet Connected But No Internet
• Internet Keeps Disconnecting
• Windows 11 Internet Problems

Frequently Asked Questions (FAQ)

What does valid IP configuration mean?

It means your system failed to receive a proper IP address from the router.

Is this a hardware issue?

No, in most cases it is a software or configuration issue.

Does resetting network fix this error?

Yes, but only if the issue is related to settings or corruption.

Conclusion

If you see the error “Ethernet doesn’t have a valid IP configuration” in Windows 11, it is usually caused by DHCP or TCP/IP issues.

Start with IP reset and DHCP settings — these fixes solve most cases quickly.

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About the Author:
Bharat Choudhary is a Windows troubleshooting researcher specializing in networking issues. All fixes are tested on real devices.