How to fix ‘Ethernet doesn’t t have a valid IP configuration’ errors in Windows

One minute you’re happily surfing the internet or playing a game online and the next you see an error ‘Ethernet doesn’t have a valid IP configuration’. Your network connection has a yellow triangle next to it and you cannot connect to the internet. So what’s going on?

Usually, it means a configuration error between your Windows and the DHCP server. The syntax is its usual descriptive self and while it tells you what is wrong, it doesn’t say where the error is likely to be. That means another process of elimination to get to the bottom of it.

Fix ‘Ethernet doesn’t have a valid IP configuration’ errors in Windows

Usually, a two (or three) pin reset can get everything back working again and fix any ‘Ethernet doesn’t t have a valid IP configuration’ errors. So let us begin there.

  • Reboot your PC and retest.
  • Switch of your modem or router, leave it powered off for 30 seconds and switch it back on again. Retest.
  • If you use Wi-Fi, turn it off and connect your computer using a cable. Retest.

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If none of those fix the error, let’s have a look at your network configuration.

  1. Open a command prompt as an administrator.
  2. Type ‘ipconfig /all’ and hit Enter.
  3. Look for an IPv4 address. It should be a 192.168.xxx.xxx address unless you have it manually configured for something else. If you see 169.xxx.xxx.xxx then the problem is with IPv4.
  4. Type ‘ncpa.cpl’ into the Search Windows (Cortana) box. This will open the Network Connections window.
  5. Right click your network adapter and select Disable.
  6. Right click your network adapter and select Enable.
  7. Let Windows reload the adapter driver and network configuration and retest.

If you’re still seeing the error:

  1. Go back to the Network Connections window.
  2. Right click your network adapter and click properties.
  3. Highlight Internet Protocol Version 4 and click the Properties box underneath.
  4. If ‘Obtain an IP address automatically’ is selected, select the other option and type in the same IP address you see in step 3 above. Add 255.255.255.0 as the Subnet mask and type the numbers for the default gateway you see in Step 3.
  5. Click OK, then Close and then retest your internet connection.

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If it still isn’t working, undo the changes you just made and then update your network drivers.

  1. Go back to the Network Connections window.
  2. Right click your network adapter and click properties.
  3. Click Configure.
  4. Select the Driver tab and then click Update driver.
  5. Select Search automatically and let Windows find an updated driver.
  6. If Windows doesn’t find one, go to the manufacturer’s website and download it manually and install.
  7. Reboot your computer and retest.

As you can see, there are potentially quite a few steps involved in fixing ‘Ethernet doesn’t have a valid IP configuration’ errors in Windows. Fortunately, they are all quite straightforward and with a little perseverance, should have you connected in no time.

If you have any other fixes for this error, let us know below!

Posted by Jamie on October 14, 2016

6 thoughts on “How to fix ‘Ethernet doesn’t t have a valid IP configuration’ errors in Windows”

Joshua says:
Hey man. Pls help me. I have a problem with the IPv4 address. I keep repeating the steps you have said but none of it works for me. It still says “Ethernet doesn’t have a valid IP configuration”. Please help. Thanks
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Chris says:
Nothing is working for me would a factory reset work?
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Ritesh Taunk says:
thanks a lot
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Matthew says:
When this started I used the Home Group trouble shooter then network trouble shooter and on computers without viruses this worked well. Now if the computer had viruses my solution only worked about 20% of the time. This issue was brought on by a Microsoft update. A few times just restarting the computer and installing the new updates that Microsoft had released was enough.
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Jinx97 says:
I seem to have ipv4 problem but i also dont have default gateway for same, do u have solution for that?
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Matthew says:
The default gateway is usually set by your Internet service provider in as much as the last 2 sets of numbers: 192.168. is normally the standard the the last 2 sets of 3 numbers are the ones that usually are different. like with Century Link in my area the default gateway looks like this: 192.168.0.1-Century Link, 192.168.1.1-Mediacom. But the Mediacom the Default gateway is for the modem/router, one piece of equipment. Mediacom used to use a modem and a router, two pieces of equipment then you would use 192.168.1.2 as the default gateway. With all that said the easiest way to figure out your default gateway is call the tech department of your internet service provider. Good luck.
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Ewan says:
So what do we do if the problem is with our IPv4 adress?
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Matthew says:
Look at step #3 and 4 although he didn’t say to click the “Use the following IP address” button that is what you need to do. then enter in 192.168.XXX.XXX. and the “X”‘s are based off of your router configuration through your internet service provider. The easiest way to get that is call the tech department of your internet service provider.
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