In case, if your Network Interface Card (NIC) which is connected to modem or router through ethernet cable and can’t get a proper Address of VALID IP (Internet Protocol), then you may receive the error Ethernet doesn’t have a valid IP Configuration.
This Protocol is mandatory for the computer to build a conversation with router and perform function with internet. Most commonly, the error causes due to these three reasons which are 1. faulty router, 2. IP address is provided incorrect, 3.
Faulty NIC. We have provided you some of the most effective solutions to get rid of this issue. So carry on to the article.
What is the “Ethernet Doesn’t Have a Valid IP Configuration” Error?
The “Ethernet Doesn’t Have a Valid IP Configuration” error typically occurs on Windows-based systems when the computer is unable to obtain a valid IP address for its Ethernet connection. An IP address is essential for devices to communicate with each other over a network, and without a valid IP configuration, the device cannot connect to the internet or other networked devices.
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Causes of the Error
Several factors can lead to the “Ethernet Doesn’t Have a Valid IP Configuration” error, including:
- Incorrect Network Configuration: Misconfigured network settings, such as an incorrect IP address or subnet mask, can trigger this error.
- Faulty Ethernet Cable or Port: Physical issues with the Ethernet cable or the port on the computer or router can prevent proper network communication.
- Outdated Network Drivers: Incompatible or outdated network drivers can lead to connectivity issues, including the inability to obtain a valid IP configuration.
- DHCP Server Problems: Issues with the Dynamic Host Configuration Protocol (DHCP) server, responsible for assigning IP addresses, can result in this error.
- Network Adapter Settings: Incorrect settings or conflicts within the network adapter’s properties can cause the error.
- Router or Modem Issues: Problems with the router or modem, such as firmware issues or misconfigurations, can affect network connectivity.
How to Fix Ethernet Doesn’t Have a Valid IP Configuration?
Here we go with the proper guide with some of the best and effective solutions which will help you to fix the error Ethernet doesn’t have a valid IP Configuration. So let’s get started to the guide.
Method 1 – Restart Your System
Your device is provided with a feature known as Fast Startup. Its main function is to reduce the time of boot and start up by loading the settings from cache of system memory. In many cases, this error is fixed by restarting the system and disabling the fast startup.
This is found to be the most effective solution to fix this issue but by doing so, the feature of Fast Startup gets lossed by doing so. Follow the steps mentioned below to disable Fast Startup feature –
Step 1: First of all open the menu WinX by right clicking on the button. start Menu.
Step 2: Now from WinX menu sect Power Options.
Step 3: Now click on the option present at left pane “Choose what the power buttons do / Choose what the power button does”.
Step 4: Now select option “Change settings that are currently unavailable”.
Step 5: Now untick of the box of “Turn on fast startup” (it is a recommendation) in order to disable Fast Startup which you can found at below of Window.
Step 6: Select option “Save changes” then close System Settings.
Step 7: Finally restart your device to make the changes effective.
Check if this solution has fixed the issue.
Method 2 – Check Your NIC (Network Adapter Settings)
Router gets its IP address by automatically which is most preferred setting if you haven’t set it to chosen manually. It you have set it to choose manually then first of all you must set it to automatically. After getting connected, check for the properties of internet to check the correct settings then configure it again by manually.
The guide we have provided below is for Windows 7, 8, 10, Vista and XP.
Step 1: First of all press the Windows + R key then put command “ncpa.cpl” and select OK option.
Step 2: Now from Network Connection Window you just have to right-click on Network Adaptor then click Properties.
Step 3: Then highlight TCP/IPvP i.e. Internet Protocol Version 4 from the window of Ethernet Properties by clicking on one them select Properties.
Step 4: By doing so, another Window will open TCP/IPv4 i.e. Internet Protocol Version 4 from which you have to select the given two settings-
- Obtain an IP Address Automatically
- Obtain DNS Server Address Automatically
This method will do it for Ethernet card. You will have to go to next stage to reboot router.
Method 3 – Reboot Your Router / Modem and Check Ethernet Cable
Now in order to reboot your Router/Modem follow the given steps:
Step 1: First of all power off the router/modem or both. Turn ON your router after about 5 minutes.
Step 2: After turning ON have a look if your device has get a valid configuration for which you will have to just keep patience for about 5 minutes.
Step 3: Now check if it starts working and have a valid configuration.
In case, if it is still not working then you must try to use any other Ethernet cable to connect it with your device. If again not working then you must try to use any other router but if you are receiving similar issue with another router also then you can try to replace the network card.
If it works and get connected then you will need to change your router. You must try to perform a factory restore before replacing the router.
Method 4 – Resetting Network Settings
If all other solutions are not working then you must try to reset the internet settings. Sometimes your network settings become conflict or outdated in comparison to your current network. That’s why you must try to reset it, for which you have to flush the server of DNS and reset your socket in order to reinitialize the procedure of connection. Follow the given steps to do so –
Step 1: First of all you have to press the combination of keys Windows + S then in the dialogue box type “command prompt” and hit the Enter key.
Step 2: After opening the command prompt, put the given command one by one
ipconfig /flushdns
ipconfig /renew
nbtstat –R
nbtstat –RR
netsh int ip reset c:\resetlog.txt
netsh winsock reset
Step 3: Now after properly resetting the settings you just have to restart your device once.
Step 4: Once restarted, open dialogue box by pressing the combination of keys Windows + R and put command “control panel” and hit the Enter key.
Step 5: Click on “Network and Sharing center” then click “change adapter settings”.
Step 6: Now right-click on “Ethernet hardware” then click “Disable”. Right-click again then select “Enable”.
Step 7: Finally restart your device once and check if the issue is resolved.
Method 5 – Checking the Connected Cables
In case every solution mentioned above is not working then you must have a look of all your cables are properly connected with both router/switch location and your PC. Because sometimes it may possible that you are going through many solutions but your cables are not connected properly.
You must make sure that you are hearing a sound like ‘click’ at the time when you are plugging your Ethernet cable. Then your device will start to blink immediately. These are the signs that your cables are connected properly.
This one is not only for your cable Architecture but it also applies to that main cable which connects internet to your home which is mainly installed via ISP. Other indication is if other devices in your home is also not able to connect with that internet then there is any fault in cable connection and you must check it to fix the issue.
Method 6 – Uninstall and Reinstall your Network Adapter
In case, you are still unable to fix this issue then this time you must try to uninstall and then reinstall your network adapter. This method may work for you as it has fixed the issue for many users. So, follow the given steps to do so –
Step 1: First of all you have to press the combination of keys Windows key + X key.
Step 2: Now put the command “hdwwiz.cpl” and select OK option.
Step 3: Now you have to expand your Network Adapter and write down your network card name anywhere to use it later when needed.
Step 4: Look for your Ethernet card (nic) and right-click on it then click on the option “Uninstall”.
Step 5: Select option “Action” then click on “Scan for hardware changes” which is present at top menu.
Your issue will probably fixed by doing so.
Method 7 – Disable IPV6
You device is configured to take use of IPV4 connection. Although it may possible that the settings of your network automatically reconfigured to run the configuration of IPV6. That’s why you have to disable your IPV6 connection. Follow the steps mentioned below to do so –
Step 1: First of all you have to right-click on the icon of network present at system tray.
Step 2: Choose option “Open Network and Internet Settings”.
Step 3: Now select option “Network and Sharing Centre” then click on the button “Change Adapter Settings”.
Step 4: Right-click on your current network connection then select option “Properties”.
Step 5: From the appeared list, look for the option “Internet Protocol Version 6 (TCP/IP)” and untick it.
Step 6: Now finally select “OK” option to successfully apply the changes and check if this method has solved the issue now.
Method 8 – Disabling Microsoft Kernel Debug Network Adapter
In case, any of the additional network adapter in addition to the network adapter which is present by default is installed in your device then it may interfere and may prevent working of Ethernet connection.
Sometimes the issue which you are facing may give rise due to this and that’s why in this solution you have to completely disable the Network Adapter. Follow the steps given below to do so –
Step 1: First of all press the combination of keys Windows key + X key.
Step 2: Now from the list appeared choose option “Device Manager from the visible options.
Step 3: After opening of device manager click on the option “View” then mark a tick on the option “Show Hidden Devices”.
Step 4: Now click on the option “Microsoft Kernel Debug Network Adapter” then select option “Disable”.
Step 5: Select option “Yes” when appeared just for confirmation of changes.
Method 9 – Assigning a MAC Address to the Network Card
It is mandatory to MAC address with network card so that to make a proper connection with your router. In case, you haven’t entered your MAC address correctly it can give rise to issue that it cannot properly connect with the Ethernet. That’s why in this solution you have to assign the MAC address manually.
Follow these steps in order to do so –
Step 1: First of all press the combination of keys Windows key + R key in order to launch dialogue box.
Step 2: Now in the dialogue box put the command “cmd” and hit the Enter key.
Step 3: Put command “ipconfig/all” and again hit the “Enter“ key.
Step 4: A detail will be appear to you, from which write down the “Physical Address” anywhere to use it for the next time when needed.
Step 5: Right-click on the icon of network present in system tray.
Step 6: Click on the option “Open Network and Internet Settings”.
Step 7: Select option “Network and Sharing Centre” then choose button “Change Adapter Settings”.
Step 8: Right-click your current network connection then chose option “properties”.
Step 9: Choose button “Configure” then select tab“Advanced”.
Step 10: Choose option “Network Address” from the appeared list then click option “Value”.
Step 11: Put the address which you noted earlier and select OK option to save the changes. Have a look if it is worth and has fixed the issue.
Method 10 – Enable DHCP
The settings of your Network Configuration detects automatically by DHCP. That’s why if the DHCP is disabled it can give rise to error. In this solution, you have to enable the DHCP option in your device. Follow the steps mentioned below to do so –
Step 1: First of all press the combination of keys Windows key + R key in order launch Run prompt.
Step 2: Now put the command“services.msc” and then hit the “Enter“ key.
Step 3: Now double-click on ”DCP Client” from Service Window.
Step 4: Now select “Startup type dropdown” then click on the option “Automatic” from the appeared list.
Step 5: Trigger the service by clicking on the option “Start”.
Step 6: Go back and right-click on the option “DHCP Client”.
Step 7: Click on the option “Restart-Service” option then choose “yes” when ask for your confirmation box.
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Conclusion
In this article, we have provided you some of the solutions to fix the issue Ethernet Doesn’t Have a Valid IP Configuration. Every solution is effective in its own way but may work in different conditions. That’s why you must try the next solution if later one is found to be useless.
