How to fix Wifi without a valid Wifi configuration on Windows 10 and instructions to fix Ethernet without a valid IP configuration on Windows 10 are some of the terms that are searched a lot on the network and that’s why thuthuat .taimienphi.vn has learned and synthesized into the following article to help you find the most effective remedy.
We all know that if we want to connect to the global network, we need Internet access and to be online, we need a valid IP address. All computers and routers are provided with these IP address so users can connect to the Internet and access many different websites. The case with Wifi router is similar. Internet service providers provide IP addresses for all Wifi routers to help users connect to the Internet on their devices.
How to fix WiFi error without a valid IP configuration on Windows 10
Table of Contents:
I. The cause of the error.
II. How to fix WiFi error without IP configuration.
1. Check network adapter settings.
2. Restart the router or modem.
3. Reinstall the network adapter.
I. The cause of WiFi error does not have a valid IP configuration on Windows 10
Sometimes the system’s IP (Internet Protocol) configuration does not match, you may encounter some troublesome network connection problems such as “WiFi doesn’t have a valid IP configuration” or “Ethernet doesn’t have a valid IP configuration “or” Wireless network doesn’t have a valid IP configuration “on your Windows computer.
The cause of the Wifi / Ethernet error without a valid IP configuration is that the Network Interface Card or NIC cannot retrieve a valid IP address. If the NIC does not have a valid IP address, the computer or laptop cannot communicate with the router and result in you being unable to access the Internet.
In general, there are three main culprits behind this problem: the router is faulty, incorrectly evaluating the IP address for the computer and the last reason is the NIC error on the computer. “
II. How to fix WiFi error without a valid IP configuration on Windows 10
If you are using Windows 10 operating system and encounter problems in network connection, try the methods shown below to fix the problem.
1. Check network adapter settings
All routers automatically assign an IP address and this must be the default method unless you have an IP address that you can manually assign. If you already have an IP address, you can choose the automatic method first and then, enter the IP address manually. Here’s how:
Step 1: Press key combination Windows + R to open the dialog box Run.
Step 2: Import ncpa.cpl and click OK, got it to open the window Network connections.
Step 3: Here, right-click on the network adapter you are using and select Properties.
Step 4: Next, you choose Internet Protocol Version 4 (TCP / IPv4) and click the button Properties.
Step 5: Check and see options Obtain an IP address automatically and Obtain DNS server address automatically has been enabled or not.
Step 6: If both options are not enabled, just select them and click OK, got it.
Finally, restart your router and to do that, you need to follow the next section in this article.
2. Restart the router or modem
Restarting the router or modem is the next thing you need to do to fix the Ethernet / Wifi error without a valid IP configuration. Simply turn off the router and wait 5 minutes. Then turn on the router and check if your computer has a valid IP configuration.
You have to wait a few minutes. If the problem persists, then you should use another Ethernet cable to connect the computer to the router. If this doesn’t work, try connecting the router to another computer and if it still doesn’t work, then maybe your Network Interface Card (NIC) has a problem. In that case, you will need to restore NIC’s shipped state.
3. Reinstall the network adapter
If none of the above methods work, you can continue to try the method of reinstalling the network adapter on your computer by the following:
Step 1: First, you press Windows + R to open the dialog box Run, import hdwwiz.cpl and click OK, got it.
Step 2: In the window Device Manager, you expand the option Network adapters and write the name of the network card you are using.
Step 3: Right-click on the Ethernet card being used and select Uninstall.
Step 4: Click the tab Action and select the option Scan for hardware changes located at the top of the window Device Manager.
This search will complete and your NIC will be added. Now, you can run the Windows Network Diagnostics tool or perform Network Adapter troubleshooting to see if the computer has a valid IP address.
Hopefully, with one of the fixes above, you can fix WiFi without a valid IP configuration on Windows 10 successfully and continue to access the network without any problems. A little advice for you is that changing the wifi password regularly is very important in the present time, proceed. change wifi password Continuing and setting a hard password will make people who want to steal your wifi pass give up and more importantly keep your data safe.