Fix Ethernet Doesn’t Have a Valid IP Configuration Windows 10

ethernet does not have a valid ip configuration

If you receives an error message like “Ethernet doesn’t have a valid IP configuration“, it indicates that something is wrong with your Network Interface Card (NIC), which is connected to your router or modem via the Ethernet cable.

This error occurs because Dynamic Host Configuration Protocol (DHCP) cannot get a valid IP address from the NIC. The reason for it can be three aspects: router or modem, IP address, NIC. Here, you will see some solutions and you can follow the given steps to try these fixes.

Solutions:

1: Disable Fast Startup and Reboot

2: Disable and Enable NIC

3: Release and renew IP address

4: Reset TCP/IP settings

5: Check Network Adapter Settings

6: Uninstall and Reinstall Ethernet Driver

7: Restart the Router/Modem and Check Ethernet Cables

Solution 1: Disable Fast Startup and Reboot

Fast Startup is a feature that can start your computer quickly, but it can cause some problems to your computer at the same time. The error that Ethernet doesn’t have a valid IP configuration could be caused by this feature, so you need to disable it.

1. Type Control Panel in the search box beside Start Menu. Hit Enter.

2. Choose to View by Large icons. Then select Power Options.

power option on control panel

3. Select Choose what the power buttons do in the left pane.

change what the power buttons do

4. Click on Change settings that are unavailable.

change settings that are currently unavailable

5. Uncheck Turn on fast startup (recommended) to disable fast startup. Then select Save changes.

uncheck turn on fast startup

6. Reboot your system.

Then check if the network works fine now.

Solution 2: Disable and Enable NIC

Sometimes you can get this problem fixed by simply disabling and enabling your network adapter. You can follow these steps.

1. Press Windows key and R key to open Run.

2. Input ncpa.cpl. Click OK.

run ncpa cpl

3. Right click the network adapter and choose Disable.

disable ethernet

4. After several seconds, right click it again and choose Enable.

enable ethernet

Then test whether this way helps.

Solution 3: Release and renew IP address

Many users who are suffering from this issue has recommended this way, so it may be helpful to you too. To release and renew IP address, you need to do as the following:

1. Type cmd in the search box and right click the search result. Choose Run as administrator.

run command prompt

2. Input the below two commands one by one, and press enter after each of them.

ipconfig /release

ip config release

ipconfig /renew

ip config renew

3. Restart your computer.

Check if the problem is solved after restarting.

Solution 4: Reset TCP/IP settings

This way is to reset TCP/IP settings using Command Prompt. And the two commands to be run can help reset related settings like winsock catalog and unicast address.

1. Type cmd in the search box and right click the search result. Choose Run as administrator.

2. Input the following two commands and hit enter after each of them.

netsh winsock reset

netsh int ip reset

netsh command

Restart your computer and see if the network can be connected properly.

Solution 5: Check Network Adapter Settings

Usually, the default setting for network adapter is to obtain the IP address automatically if you didn’t change it. So you need to go to Control Panel to make sure the network setting is proper.

1. Press Windows key and R key to open Run.

2. Input ncpa.cpl. Click OK.

3. Right click your network adapter and choose Properties.

ethernet properties

4. In the Ethernet Properties window, single click on Internet Protocol Version 4 (TCP/IPv4) and select Properties.

intenet protocol version properties

5. In the new window, check Obtain an IP address automatically and Obtain DNS server address automatically. Then click OK.

obtain an ip address automatically

Solution 6: Uninstall and Reinstall Ethernet Driver

To fix network adapter driver issue that may cause your problem, try to uninstall Ethernet driver and then let the computer install automatically. Steps are as the following shows:

1. Press Windows key and X key. Then select Device Manager.

2. Expand Network adapters. Right click your network adapter and choose Uninstall.

uninstall

3. If there is a warning window, click on Uninstall.

4. After the driver is uninstalled, right click on Network adapters. Choose Scan for hardware changes.

scan for hardware changes

Then it will reinstall the driver for you automatically. After the driver is reinstalled, see if your problem is resolved.

Solution 7: Restart the Router/Modem and Check Ethernet Cables

Maybe your cables are connected incorrectly, or there is some problem with your router or modem, so the Ethernet can’t get a valid IP configuration.

For this method, you need to shut down your system. Then unplug your router or modem and leave it unplugged for about one minute. Next, plug it in again. Once the router or modem has completed the self test, you can boot the PC and check your Internet connection.

To conclude, these solutions above all are feasible solutions for the problem that Ethernet doesn’t have a valid IP configuration. If you encountered this error, this article could give some help. Hope you can fix the problem soon.

 

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