You are happily surfing the Internet, and the next moment you have a yellow warning triangle on your network symbol in the notification area. You cannot connect to the Internet. Next thing you do, is run the Windows troubleshooter which displays the following message: “Ethernet doesn’t have a Valid IP Configuration.”
The reason for this is the weakness of your Network Interface Card (NIC) that is connected to your Router or Modem via Ethernet wire, to get a valid IP address. The main reasons for this are a faulty router, an incorrectly assigned IP address to the PC, or a faulty NIC.
There are numerous ways to deal with this issue, before you may need to contact your Internet Service Provider (ISP).
This article shall state these solutions. You may try them one after the other before you find the one that works for you.
Fix “Ethernet doesn’t have a Valid IP Configuration” Error
Restart your System
Your system has a feature called Fast Startup that loads settings from system memory or cache and help reduce the boot time.
Disabling Fast Startup has been the most effective ways to address the issue, but it does result in losing the feature altogether.
- Right click on Start Menu.
- Choose Power Options from the WinX menu.
- From the left pane, choose Choose what the power buttons do / Choose what the power button does.
- Next, tap on Change settings that are currently not available.
- The bottom of the window shall have a checkbox beside Turn on fast startup(Recommended). Uncheck it.
- Save changes.
- Close the System settings
- Now Restart your computer.
Disable and Re-enable your NIC
Before any other further modification, you can check your NIC first.
- Open the Run box by using the Windows Shortcut keys.
- Type in ncpa.cpl, hit Enter.
- You will be shown your Ethernet connection.
- Right click on it and select Disable.
- After few minutes, right click on it and select Enable.
- See if your Ethernet has successfully received an IP address.
If the problem still does not solve, open Command Prompt(Admin) by pressing Win + X.
Now, in the command prompt, type in the following command, and hit enter after each of them:
- ipconfig /release
- ipconfig /flushdns
- and ipconfig /renew
Restart your computer. Check if the issue is resolved or not.
Reinstall TCP/IP settings
A faulty TCP/IP protocol is also a viable reason for this error of “Ethernet doesn’t have a Valid IP Configuration”.
- Press Win + X at the corresponding time, and then select Network Connections.
- Right-click on your network adapter. Select Properties.
- Next, click the Install… button.
- From Network Feature Type dialog box, select Protocol and then click Add…
- Select the Reliable Multicast Protocol and click OK.
- Then try reconnecting to your Ethernet and check if the problem persists.
Reset TCP/IP settings from Command Prompt
- Open Command Prompt(Admin) by pushing Win + X.
- In the command prompt window, type in the following commands, making sure you hit enter after each command:
netsh int ip reset c:\resetlog.txt
netsh winsock reset
- Now reboot your PC
- Right-click on the network adapter you are using, and select Disable.
- Right-click again, and choose Enable.
- Try to connect to the network and see if the problem is fixed.
Uninstall Ethernet Drivers
- Press the Win + R keys to open the Run box.
- Type in devmgmt.msc to fire up the device manager.
- Click on Network Adapter, and then from the expanded list, right-click on the network adapter with which you are facing an issue and select Uninstall.
- Click OK for confirmation.
- Then click on Action -> Scan for hardware changes.
- Restart your PC.
Update your drivers
- As in the previous method, press Win + R and type in devmgmt.msc to open device manager.
- Expand Network Adapter.
- Right click on the one you are facing issue with, and click Update Driver Software.
- Select Browse my computer for driver software.
- Next, click Let me pick from a list of device drivers on my computer.
- After this, keep updating all the drivers one by one.
- Reboot your PC, and check if the problem is fixed.
Modify the IP address manually
It sometimes happens so that the default Ethernet IP address configuration is the culprit behind this malfunction.
- You see a network icon in the notification area at the bottom of your desktop.
- Right click on it and choose Open Network and Sharing Center.
- Out of the networks shown, select the one which you are currently using, and then choose Properties.
- Scroll down till you find “Internet protocol version 4 (TCP/IPv4)” and double-click on it.
- Under the General tab, check that Obtain an IP address automatically and Obtain DNS server address automatically are already chosen.
- Click OK to save the changes.
- Check If Ethernet has a valid IP configuration as of now.
If you can make sure that the problem is not with your computer, make sure the LAN cables are connected properly and are not broken. Further, you may contact your ISP for further assistance.
We hope, these methods solve your issue of “Ethernet doesn’t have a Valid IP Configuration”.