The debate over whether to use Ethernet or Wi-Fi has raged for years, with each offering certain advantages over the other. However, neither is completely error-free. A common situation is that Ethernet does not have a valid IP configuration in Windows 11.
This error is uncommon, but when encountered, the user cannot access the Internet. This makes it even more important to troubleshoot it effectively.
But there is still an important question that needs to be answered beforehand, namely why does Ethernet not have a valid IP configuration in Windows 11? So, let us take you through its answer and the most effective error fixing methods.
Why doesn't Ethernet have a valid IP configuration in Windows 11?
Every device connected to a network needs an IP address, which serves as its identity here. If you are unable to get one when using a wired connection, you will encounter the Ethernet does not have a valid IP configuration error in Windows 11.
There could be many reasons why you are encountering an error. While some are related to hardware, some may be related to setup and software aspects. Here is a full list of them:
- Improper connection
- Router issues
- Faulty NIC (Network Interface Card)
- Outdated or damaged Driver
- Misconfigured Settings
The solutions to most of these problems are fairly simple and should not take more than a few minutes to perform. Therefore, follow the methods below in the order listed for quick and effective troubleshooting.
What should I do if Ethernet does not have a valid IP configuration in Windows 11?
1. Check the connection
The first thing you should do when encountering the Ethernet does not have a valid IP configuration error in Windows 11 is to check whether the connection is normal. Make sure both ends of the cable are plugged in correctly.

Alternatively, you can unplug the cable at both ends of the computer and modem/router, blow air into both ports, and then Reinsert the cable securely. Once completed, check if the error is fixed and you can connect to the Internet.
2. Restart your computer and modem/router
In addition to the connection, the problem may also be with the modem/router, or it may be a fault with the operating system itself. However, the best part is that most of these can be easily eliminated with a simple reboot.
To turn off your modem/router, unplug it from the power source. Also, some may have built-in batteries, so be sure to check and remove them. Wait a few minutes and then plug it back into power.
After restarting the computer and modem/router, check Ethernet for a valid IP configuration error in Windows 11 has been eliminated.
3. Disable Fast Startup
- Press Windows S to launch the "Search" menu and enter " in the text field Control Panel" and click on the relevant search results that appear.
- Click on the System and Security entry.
- Next, click ChangeWhat the power button does under Power Options.
- Click on the top to change settings that are currently unavailable.
-
Finally, uncheck the Enable Fast Startup (Recommended) checkbox and click Save Changes at the bottom.
After making changes, restart your computer for these to fully take effect.
Fast Startup is a feature in Windows that reduces the time it takes for the operating system to load when you turn on this computer. This is accomplished by keeping certain drivers and related processes running rather than terminating them on shutdown.
However, this feature is often found to conflict with the functionality of the connected device due to incorrect relaying of commands. If this is the case, disabling fast startup should fix the Ethernet does not have a valid IP configuration error in Windows 11.
4. Manually select the IP and DNS server
- Press Windows R to start the "Run" command and enter ncpa in the text field .cpl, then click OK or hit Enter to launch the Network Connection window.
- Right-click the Ethernet entry here and select Properties from the context menu.
- Find and selectInternet Protocol Version 4 (TCP/IPv4) and click Properties.
-
After selecting the Use the following IP address and Use the following DNS server address options, enter the details of the same on your computer in the screenshot below. When finished, click OK at the bottom to save changes.
- Press
- Windows S to launch the search menu and enter Device Management in the text field at the top Tool and click on the relevant search results.
- Network Adapters to expand and view the devices under it.
- Ethernet entry and select Update Driver from the context menu.
- Automatically search for drivers from the two options in the Update Driver window.
- Press
- Windows R to start the run command, type ncpa.cpl, and then Click OK.
- Ethernet and select Properties from the list of options in the context menu.
- Uncheck the checkbox for Internet Protocol Version 6 (TCP/IPv6) and click OK at the bottom to save changes.
- Press
- Windows S to launch the Search menu, in the text field Enter "Service" and click on the relevant search results that appear.
- DHCP Client service to launch its properties.
- Automatic from the list of options.
- Start button under the service status to run the service, and then click OK at the bottom to save the changes.
8. Reset network settings
- Press Windows S to launch the search menu and enter Windows Terminal# in the text field at the top ##, right-click the relevant search result and select Run as administrator from the context menu.
- Yes on the pop-up UAC (User Account Control) prompt.
- Command Prompt from the list of options. Alternatively, you can click Ctrl in a new tab Shift2 to launch the command prompt.
- Enter on each command to execute them:
netsh winsock reset<strong></strong>
netsh int tcp reset<strong></strong>
netsh int ip reset<strong></strong>
After executing the command, restart the computer.
The above is the detailed content of Fix: Ethernet does not have a valid IP configuration in Windows 11. For more information, please follow other related articles on the PHP Chinese website!

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