How to Fix IPv4/IPv6 No Internet Access Error on Windows | Wbactive

An IPv4 or IPv6 address helps identify and connect other devices on a network. However, if you encounter the No Internet Access error while using IPv4 or IPv6, your internet connection is probably not working properly.

In this guide, we will explore some troubleshooting steps to help you fix IPv4/IPv6 No Internet Access error and get your internet connection back.

What Causes IPv4/IPv6 No Network Access Error?

If your PC only gets an IPv4 or IPv6 address when it connects to a network, it will show the No Network Access error. This can be for a number of reasons, but some common factors include problems with your router configuration, faulty network drivers, incorrect DNS server address, and IPv6 compatibility issues.

While it can be difficult to pinpoint the exact reason, there are a few general fixes you can try to see if they solve the problem. Hence, here are some troubleshooting methods to help you fix No Internet Access error on your Windows computer.

1. Forget your wireless network and reconnect it

You can fix IPv4/IPv6 No Internet Access error by removing your wireless network settings from your Windows PC. When done, reconnect to the same network and check for improvements.

To forget your wireless network and reconnect:

  1. Press victory + me to open settings.
  2. Next, open the Network & Internet tab in the left pane.
  3. Click on Wireless Internet access.

  4. Then click on Manage Known Networks.
    Windows 11 network and internet wifi manage known networks

  5. press the Forget button next to the fault Name of the Wi-Fi network connection.
    Forget the Wi-Fi network

  6. Next press Victory + A to open action center.
  7. press the Caret (>) key. Next Wireless Internet access Manage Wi-Fi networks. Windows will search for available Wi-Fi networks and list them here.
  8. Click on that Wi-Fi network and enter the password to connect to see if the error is resolved.

For more information, see How to manage your wireless network profiles in Windows.

2. Manually reset the Winsock Catalog

Reset Winsock network catalog prompt

Another variant of the IPv4/IPv6 No Network Access error affects only a few applications. For example, you may be able to access the Internet with your web browser, but not with your email client or software.

This can happen due to a corrupted network configuration. Luckily, you can quickly fix it with a Winsock catalog reset. It is reached via a sequence of Command Prompt commands to reset important network settings to their default values.

To reset the Winsock Catalog:

  1. Press victory + S to open Windows search.
  2. Type cmd. Then right-click command prompt and select Execute as administrator.
  3. In the command prompt window, type the following command and press Enter:
    netsh winsock reset catalog
  4. After successful execution, type the following command and press Enter:
    netsh int ipv6 reset reset.log
  5. If successful, close Command Prompt and restart your PC. After restarting, check if the IPv4/IPv6 error is resolved.

3. Disable Internet Protocol Version 6 (IPv6)

If the “No internet access” error occurs only with IPv6, you can disable the affected IP in the network properties to fix the problem. Unless you need to use IPv6, the IPv4 protocol can handle your connection without any problems.

To disable the IPv6 protocol:

  1. Press victory + R to open To run.
  2. Type control and click OK to open the Control Panel.
  3. Then click on network and internet.
    Control Panel Network and Internet

  4. Click on Network and sharing center.
    Control Panel Change network adapter settings

  5. Click on Change adapter settings in the left pane to view all your network adapters.
  6. Right-click on your network connection and select it Characteristics.
    Control Panel Network Adapter Properties

  7. In the Properties dialog box, find and uncheck the Internet Protocol Version 6 (TCP/IPv6) Possibility.
    Disable Control Panel IPv6

  8. Next, disable the Internet Protocol Version 4 (TCP/IPv4) Possibility.
    Disable the Internet Protocol version 4 network properties

  9. click OK to save the changes.
  10. Right-click the network connection again and select it Characteristics.
  11. Next, check the Internet Protocol Version 4 (TCP/IPv4) Possibility. Let them IPv6 Option not selected.
  12. click OK to save the changes and restart your PC.

4. Configure your network adapter to obtain the DNS server address automatically

In the Windows operating system, you can set and use third-party DNS server addresses for security reasons. However, incorrectly configuring your DNS server address can cause the No Internet Access error.

To fix this, make sure the network connection is set to obtain IPv4/IPv6 and DNS server address automatically. Here’s how to do it.

  1. Press victory + R to open To run.
  2. Type ncpa.cpl and click OK to open network connection in Switchboard.
  3. Right-click on your network connection and select it Characteristics.
    Control Panel Network Adapter Properties

  4. In which Characteristics dialog, select Internet Protocol Version 4 (TCP/IP) and click the Characteristics Button. You can also double click IPv4 to access it Characteristics.
    Control Panel Disable IPv4 Properties

  5. Next select the Obtain an IP address automatically and Obtain DNS server address automatically options.
    Control panel IPv4 properties obtain DNS IP address automatically

  6. Next, select Validate the settings on exit and click OK to save the changes.

5. Turn off your router and modem

Temporary problems with your router can also cause problems with your internet connection. To fix the problem, perform a power reset. To do this, you need to temporarily turn off your router and modem and then turn them back on.

To perform a power reset:

  1. Unplug your modem’s power adapter from your electrical outlet.
  2. Next, unplug your router’s power adapter.
  3. Leave the devices idle for a few minutes.
  4. When you’re done, plug in the power adapter and turn on your modem and router.
  5. Wait for all the lights on your router to stop blinking, then check if the error goes away.

6. Update your network adapter drivers

Corrupt or outdated network adapter drivers can interfere and leave you without a network connection. New drivers often include performance improvements and bug fixes. However, reinstalling can also help solve problems triggered due to driver corruption.

To update the network adapter driver:

  1. Press victory + R to open To run.
  2. Type devmgmt.msc and click OK to open device manager.
  3. Next, expand the network adapter Section.
    Windows 11 device manager update network adapters

  4. Right-click on the problematic network adapter (wireless or ethernet) and select it update drivers.
  5. Click on Search for drivers automatically and follow the on-screen instructions.
    windows 11 device manager updates network adapter search automatically

  6. If you don’t have a working internet, click Browse my computer for drivers.
  7. Then click on Let me choose from a list of available drivers on my computer.
    Windows 11 Device Manager Update Select network adapter from available drivers

  8. Select the latest driver update and click Next.
  9. Once the driver is installed, close Device Manager and restart your PC.

Some laptop manufacturers offer their own apps for managing system drivers. For example, HP, Lenovoand Asus Laptops come along HP Support Assistant, Lenovo Vantageand MyASUS Apps or Start the app and check if new updates are available for the computer.

Alternatively, you can visit your PC manufacturer’s website to download the latest update for your network drivers.

7. Check your antivirus and third-party firewall

Third-party antivirus programs have a built-in firewall. Sometimes the firewall can block legitimate connections, causing problems with your network connectivity.

Try temporarily disabling your third-party firewall or antivirus program to see if the problem persists when the security program is disabled. Sometimes you may need to completely uninstall the security program to disable its firewall.

Fix IPv4/IPv6 No Internet Access Error.

Since this error can occur due to multiple reasons, you may need to try all troubleshooting steps until you find a working solution. In most cases, running a Winsock Catalog and resetting the IPv6/IPv4 settings can resolve the issue. If not, look for conflicts with third-party security programs, faulty driver issues, or glitches with your modem and router.

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