7 Ways To Fix Ethernet doesn’t have a Valid IP Configuration

Ethernet doesn’t have a valid IP Configuration. It happens when the Network Interface Card (NIC) is hooked to the modem or through the Router via the cable of Ethernet and is not able to get the IP Address of Valid one which is the Internet Protocol. It is in requirement of the computer for speaking to the router and the functions of the internet. There occur main three causes for such issues to happen. The first one is the router fault, second is the improper IP Address assigned to the computer, and the last is the fault in NIC.

Here we have explained it in three steps and do follow them line by line.

1. Giving a Restart to the System

There includes a feature named Face Startup that is made for the loading of the settings through the memory of the system or by the cache for reduction of the boot and the start-up time. Most of the users have reported that such an issue should be fixed when the system gets restarted and the fast startup gets disabled.

Disabling the Fast startup is the effective solution to the most for the fixation of such an issue, though it results in the loss of the Fast Startup feature in a together way. For disabling it, follow the given steps:-

Step 1

Do the right-clicking on the button of Start Menu and then open the WinX Menu.

Step 2

Then click on the Power options located in the WinX Menu.

Step 3

After that, select the Choose what the power buttons do or Choose what the power button does which is located at the leftward side pane.

Step 4

Do the selection of Change settings that are currently unavailable.

Step 5

Now at the downward side of the given window, uncheck the checkbox which is there at Turn on fast startup for disabling the Fast Startup.

Step 6

Then click on the option of Save changes.

Step 7

Now close the System Settings.

Step 8

Give a Restart to the computer.

2. Check the NIC (Network Adapter Settings)

As the router automatically assigns the IP Address and it is preferred settings till you have manually done the selection of the specified IP Address. If it is the case, then you can set it to the automatic way and when it is connected, do the checking of the Internet Properties for the proper settings and re-configuration of it in manual form.

Follow the given steps for it:-

Step 1

Firstly, click on the keys of Windows + R. It will open Run on your screen.

Step 2

Then type there ncpa.cpl and click on the OK button.

Step 3

Now in the network connections window, right-click on the Network Adapter and do the selection of the Properties.

Ethernet not working

Step 4

From the Window of Ethernet Properties, click on the highlight of Internet Protocol Version 4 and then click on the Properties.

Step 5

The window of next will open there which is the Internet Protocol Version 4 Properties, now from here take a proper check that the given two settings are in selection:-

  • Obtain an IP Address Automatically.
  • Obtain DNS Server Address Automatically.

It will go for the Ethernet Card.

Network Adapter Settings

3. Reboot the Router or Modem & Check the cable of Ethernet

Turn the power off of the router or the modem. Wait for a while and then turn it back on. As when it will turn on, check the PC if now it has a valid configuration, and then wait for a few moments. As it gets completed, test it for viewing if it works now and has the proper configuration.

If it is still not working, then give a try for the use of a different kind of Ethernet cable from the Router to the computer. Still, it is not working, then try for the connection of the computer to a different router. Moreover, If still the same issue is there with the different router, then the network card is asking for a replacement, if it is not connecting then the Router needs a replacement. Before replacing it, try for the factory restore.

4. Reset the Network Settings Via Command

Another thing which you can try is the resetting of the internet settings. As there are various cases when the Settings of the network are outdated or gets conflicted with the network of existing ones. Through flushing the DNS server, and resetting of the socket we can do reinitialize the procedure of connection thinking that it will solve the problem.

Step 1

Firstly, press the keys of Windows + S and type there Command Prompt in the given dialog box and then click on the Enter key.

Step 2

As now in the Command Prompt, execute the given command:-

pconfig /flushdns
ipconfig /renew
nbtstat -R
nbtstat -RR
netsh int IP reset c: \resetlog.txt
netsh winsock reset

Step 3

After resetting the settings, give a restart to the computer in a proper manner. Press the keys of Windows + R and type Control Panel in the given dialog box and then click on the Enter key.

Reset IP Configuration on Windows

Step 4

Now do the selection of the Network and sharing center and then click on the Change adapter settings that are located on the left side of the screen.

Step 5

Then right-click on the Ethernet Hardware and do the selection of the Disable option. After disabling right-click there again and click on the Enable option.

Step 6

Now give a Restart to your computer and look there for the problems if they are.

5. Take Look on the Connected Cables

As when you have performed all of the steps above, take a proper check that all of the cables are connected properly not only with PC but also in the switch locations and router. There is various feedback from the users about the cables that are not in connection in a proper manner.

Whenever you will plug the Ethernet Cable in the Device you will get the sound of click on it. Then the blinking on the device will tell that the cable is in proper connection or not. It will not only limit the architecture of cable but also with the main cable that is connected to the home with the Internet as with the installation of ISP.

6. Uninstall and Reinstall the Network Adapter

Step 1

Firstly press the Windows and X key. Then open a command prompt

Enter this command line hdwwiz.cpl and then click on the OK button.

Step 2

Now expand the Network Adapters. Now note down the name of the Network card.

Step 3

Then right-click on the Ethernet card and do the selection of the Uninstall button.

Step 4

Now click on the Action and then open Scan for hardware changes from the given menu of the upward side.

7. Disabling of the Antivirus

If there is any form of third party app installed on the PC then it is a recommendation to disable it temporarily and check again if there is an issue. If the problem is not there now after disabling the Antivirus it means that the Antivirus was the main issue of the cutting contact.

Final Words

Here we had a discussion on what solutions you can perform when Ethernet cable is not having a valid IP configuration. Give a read to this topic and tell us about it in the comment section. Also, go for our more topics.

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