In daily life, we often rely on WiFi for internet access. However, sometimes even with a full WiFi signal, you may encounter a "No valid IP configuration" error. This issue can stem from network settings problems, router malfunctions, or device faults. Below, we'll explore the causes and solutions to this common problem.  

Causes of the "No Valid IP Configuration" Error

Before fixing the issue, it's essential to understand its root causes. Common scenarios include:  

Router or Network Setting Issues: The router may not assign IP addresses correctly, or network configurations might have been altered.  

Network Adapter Problems: Outdated or corrupted wireless drivers can lead to connection failures.  

IP Address Conflicts: The assigned IP address might be duplicated or invalid.  

System Configuration Errors: Windows network settings errors or cached files causing conflicts.  

Solutions for Fixing the "No Valid IP Configuration" Error

Solution 1: Restart Devices  

Restart Your Computer: Shut down and reboot your PC to resolve temporary issues.  

Restart the Router: Turn off the router, wait a few seconds, and turn it back on.  

Restart the Network Adapter:  

1. Right-click the network icon on the taskbar and select "Network & Internet Settings".  

2. Click "Change adapter options", right-click the wireless connection, select "Disable", and then "Enable" it again.  

Solution 2: Release and Renew IP Address  

1. Press Win + R, type "cmd", and press Enter to open the Command Prompt.  

2. Type "ipconfig/release" and press Enter. Then type "ipconfig/renew" and press Enter.  

3. Restart your computer and try reconnecting to WiFi.  

Solution 3: Check Network Settings  

1. Open the Control Panel and navigate to "Network and Internet", then "Network and Sharing Center".  

2. Select your current WiFi connection and click "Properties".  

3. Find "Internet Protocol Version 4 (TCP/IPv4)".  

4. Ensure "Obtain an IP address automatically" and "Obtain DNS server address automatically" are selected.  

5. Click OK to save the settings and retry the connection.  

Solution 4: Update or Reinstall Network Drivers  

Outdated or damaged drivers can often be the cause. To manage and update drivers easily, consider using Driver Sentry software. It quickly detects driver issues and provides one-click fixes to prevent network problems.  

Download

1. Open Driver Sentry and click "Scan" to check the status of your network adapter driver.  

2. If the driver is outdated or faulty, the software will recommend updates. Click "Upgrade" to install the latest version.  

3. After updating, restart your computer to see if the issue is resolved.  

4. If you lack internet access, download the Driver Sentry Integrated Network Card Driver on another device, transfer it to the problematic computer, and run the scan.  

Solution 5: Reset Network Settings  

If none of the above methods work, you can try resetting your network:  

1. Press Win + I to open Settings.  

2. Navigate to "Network & Internet" > "Advanced network settings".  

3. Click "Network reset" and follow the prompts to complete the process.  

4. Restart your computer and reconnect to WiFi.  

By following these steps, you should resolve the "No valid IP configuration" error and restore your computer's internet connection. To prevent similar issues, consider regularly checking and updating drivers with Driver Sentry to maintain your computer's health and performance.  

See also:

How to Fix WiFi Disconnecting Windows 11

How to Fix WIFI Can't Connect to This Network

8 Common Solutions for No Internet Connection

6 Solutions for When WiFi Is Connected but There Is No Internet