How To Fix Ethernet Doesn’t Have A Valid IP Configuration in LAN Network

Ethernet and internet both sometimes can make you confuse if you are not a frequent user of the internet. You may be well versed with both the terms if you are a graduate or a technical person. But in a simpler way to make a common man to understand about the difference between Ethernet and internet, Internet is the commonly used worldwide packet system whereas Ethernet is the most widely used link layer protocol that connects to the internet through a layer of cable which carries the internet signal, sends and receives data.

Ethernet – physically it is a long cable whose one end is connected to the computer system whereas the other end is connected to the port of your internet connection. Ethernet is the networking cable of your wired internet connection. Not only about Ethernet or the internet, most of all the devices may encounter some error messages. Whereas with the devices connected to the internet are of sure for occurrences of an error message which is related to the speed, compatibility, traffic and other cabling issues.

Each of every device that is connected to the internet has its own IP address configured by the Internet Service Provider. You might have received the error message Ethernet doesn’t have a valid IP configuration. This may occur due to any of the reason below.

How To Fix Ethernet Doesn’t Have A Valid IP Configuration

Cause of Error Ethernet doesn’t have a valid IP configuration

Ethernet Doesn’t Have A Valid IP Configuration Fix

Ethernet Doesn’t Have A Valid IP Configuration Fix

  • Failure of receiving the IP address from the DHCP (Dynamic Host Configuration Protocol)
  • Any faulty error of the router
  • Faults in the NIC (Network Interface Card)

If any of the above cases happened you cannot have access to the internet connection either you might receive a message like “limited connectivity” or “No internet access”.

We have a list of solutions to fix this error Ethernet doesn’t have a valid IP configuration. Not only for this error most of the internet related error messages or bugs have the same kind of solutions where you can get back the internet access.

Solution 1: Modifying network adapter settings

Changing the TCP / IPV4 setting can also help you to resolve the problem. You can even try this option to resolve among other solutions by following the steps.

Step 1: Go to the windows button and select network connections.

network connection

network connection

Step 2: Now select the properties options from your current active internet connection.

Network properties

Network properties

Step 3: From the list of options select TCP / IPV4 settings and click properties.

Step 4: A new window will open. Just enter the given DNS setting in it. Change the preferred DNS server as and alternate server as and click ok.

Change DNS Servers

Change DNS Servers

That’s it. The process has been completed. Now you can go on surfing the internet.

Solution 2: Using command prompt (Admin)

Step 1: Click on “windows” button from the left corner of your taskbar. In the search box type “cmd”,“ windows command processor” will be listed.

Open Command prompt

Open Command prompt

Step 2: Open the command prompt (Admin) window (you will see a black screen window with your username of the system). Type & run the below-mentioned command one by one.

netsh winsock reset

netsh int ip reset

NOTE: Run the commands one by one. Do not copy all together and paste in the command prompt Admin window.

Step 3: Once after completing the step 3, wait until the command prompt admin finishes running the process. It may take a few seconds. Once done restart / reboot your computer system for good working condition.

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Solution 3: Enable / disable NIC (Network Interface Card)

Step 1: Click “windows + R” to open run dialog box.

Step 2: Type “ ncpa.cpl ” and click ok.

Run > ncpa.cpl

Run > ncpa.cpl

Step 3: Now right click on the network connection that faces the problem. Click disable to disable the internet connection.

Step 4: Again proceed the same steps after a few minutes and enable the internet connection. Now your problem will be resolved once the internet connection is refreshed and receives IP address.

enable the internet connection

enable the internet connection

Solution 4: Reboot your router

This is one of the easiest solutions available. Just simply disconnect all of the cables that connect your computer and the power plug. Leave everything idle for few minutes. Make sure there is no power source for the computer system and the Ethernet cable is not connected to any of the devices. This may seem silly but it really works.

Power plug the source, connect the Ethernet cable after few minutes. Now the connection might have established by resolving the problem.

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Solution 5: Check your firewall settings

Sometimes even this may create problems by blocking some sites thus the Ethernet could not establish the connection. Check the firewall blocking settings and disable. You can uninstall and reinstall the firewall software if the problem persists.

Solution 6: Scan your PC

Check and scan your computer system through any of the anti-virus software available. It might even give you the solution to the problem. This solution can give you results whether the computer system is being affected by any other virus or malicious software etc..,

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Internet-related problems are quite common nowadays with a number of solutions available. The only fact is to have a little knowledge about the technical terms to overcome all the errors and problems arises due to the internet. Here all the listed solutions are being tested to recover the system by fixing the error “Ethernet doesn’t have a valid IP configuration”.

If any of the solutions do not work or if you cannot get back the computer system to its normal working condition, do not wait or make late to call to the ISP / any technician to rectify your problem.


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