Windows

Fix Ethernet Doesn’t Have a Valid IP Configuration Error | Best Ways

Sometimes you will come across the problem ethernet doesn’t have a valid IP configuration. Let us try to understand the details of this problem. We will also try to see how one can resolve this problem easily.

Ethernet doesn’t have a valid IP Configuration: What is It?

When your Network Interface Card is hooked to the Router or Modem via the Ethernet cable and it is unable to get a valid IP address then you will get this error. There are 3 reasons due to which this error can occur. The first reason is that there can be some fault in the router. The second reason is that an incorrect IP address is assigned to the computer. The third reason is that the Network Interface Card or NIC is having some fault.

Fix Ethernet Doesn’t have a valid IP Configuration: Best Solutions

1. Reinstallation of TCP/IP:

Problems with the TCP/IP protocol can be the cause of the problem. In that case, click on the windows key and X at the same time. Now you have to opt for the Network Connections option. Now you have to right-click on the Network Adapter. Now you have to choose the properties option. Now here you will find the install tab.  Click on this tab. Next, you have to select the Protocol. Now you have to click on the Add button. Now you have to select the option Reliable Multisoft Protocol and click on the OK button. Finally, you have to try to reconnect your Ethernet or your Wifi and check if the problem is resolved.

2. Reinstall the Network Adapter Drivers:

First, you will have to go to the website of the manufacturer and there you need to find the correct Network Card Driver for your PC. Once you find the correct network adapter drivers then you can reinstall them manually or you may also make use of online tools for the same.

3. Changing the Network Adapter settings:

Sometimes the error can be due to faulty network settings. In order to fix this problem, you have to enter the Network settings by clicking on Windows logo key and X at the same time. Now right click on the Network adapter and here you will have to select the option of Properties. Here you will see the option Internet Protocol Version 4 (TCP/IPv4). Select this option and then click on the properties option. Now you have to choose the option Obtain IP address automatically. Now select DNS server address automatically. Make sure that you keep a record of the original IP addresses and now click on OK. Now check if the problem is resolved.

4. Run the Command Prompt:

You may try to refresh the network settings and then you can check if the problem is resolved. For this once again click on the Windows Log key and X key simultaneously. Now select the option Command Prompt (Admin). Now you will be prompted with the administrator permission. Here you have to click on Yes and then continue. In the command prompt window, you will have to enter the below-mentioned commands and then click on enter after you have typed each of the commands. The commands that you have to type are:

  • ipconfig/flushdns
  • nbtstat -R
  • nbtstat -RR
  • netsh int ip reset c:\resetlog.txt
  • netsh winsock reset

Now you will have to restart the computer. Once you restart the computer you have to again enter the network settings by clicking the Windows logo key + X key simultaneously. Now you will have to go to the Network Adapter option. You have to right-click on Network Adapter option. Here you will get the disable option. You have to click on it. Once you have disabled the adapter now again you have to right-click on the Network adapter and now you have to select the option of enabling. Now you can check the network connection in order to see if the problem is resolved.

5. Uninstall and then reinstall your Network adapter:

Click on the windows, logo key and X key at the same time. Here you will have to type hdwwiz.cpl and then click on OK. Next, you have to expand the Network Adapters. Now write down the name of your network card. Now you have to right-click on ethernet card (nic) and here you have to select the uninstall option. Now click on the Action option. Here you have to choose the option of Scan for hardware changes from the menu at the top.

6. Try to disable Microsoft Kernel Debug Network Adapter:

For this, once again you have to go to the Device Manager by clicking the Windows and the X key simultaneously. You will find a list of different options. Here you have to select Device Manager. Now you will find an option called View. You have to click on the view option. Now you have to click on the Show hidden devices option. Now you have to right-click on the Microsoft Kernel Debug Network Adapter option. Now you have to click on the disable option. Now you have to click on yes to confirm the changes.

7. Give MAC address to the Network Card:

First, you have press the Windows key and the R key simultaneously. In the dialogue box that appears you will have to type cmd. Now you have to press enter. Now you have to type ipconfig/all and then press enter. Here you will find the physical address. You have to note down this address. Now you have to right-click on the Network icon. Now you have to choose Open Network and internet settings option. Now you have to select the Network and sharing center. Now select change adapter settings button. Right-click on the network connection that you are using and enter the properties option. Now click on configure then click on advanced then click on network address and check the value option. Enter the address that you have noted down earlier and click OK.

If you feel that nothing is wrong with your system then make sure that you check the LAN cable connection.

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