How to Fix the “IPv4/IPv6 No Internet Access” Error on Windows
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, it’s likely that your internet connection is not working properly.
In this guide, we’ll explore a few troubleshooting steps to help you fix the “IPv4/IPv6 No Internet Access” error and restore your internet connection again.
What Causes the “IPv4/IPv6 No Network Access” Error?
If your PC only receives an IPv4 or IPv6 address when it connects to a network, it will show the “No Network Access” error. This can happen due to several reasons, but some common factors include issues 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. As such, here are a few troubleshooting methods help you to fix the “No Internet Access” error on your Windows computer.
1. Forget and Reconnect to Your Wireless Network
You can fix the “IPv4/IPv6 No Internet Access” error by removing your wireless network settings from your Windows PC. Once done, reconnect to the same network and check for any improvements.
To forget and reconnect to your wireless network:
Be sure to check outhow to manage your wireless network profiles on Windowsfor more information.
2. Manually Reset the Winsock Catalog
Another variant of the “IPv4/IPv6 No Network Access” error only affects a select few applications. For example, you may be able to access the Internet on your web browser, but not on your email client or software.
This can happen due to a corrupt network configuration. Fortunately, you can quickly fix it with a Winsock catalog reset. It is achieved via a sequence of Command Prompt commands to reset important network settings to their default.
To reset the Winsock catalog:
3. Disable Internet Protocol Version 6 (IPv6)
If the “No Internet Access” error only occurs for IPv6, you can disable the affected IP in the network properties to fix the issue. Unless you have to use IPv6, the IPv4 protocol can handle your connection without any issues.
To disable the IPv6 protocol:
4. Configure Your Network Adapter to Obtain the DNS Server Address Automatically
The Windows operating system lets you set anduse third-party DNS server addresses for security reasons. However, an incorrect configuration for your DNS server address may cause the “No Internet Access” error.
To fix this, ensure the network connection is set to obtain the IPv4/IPv6 and DNS server address automatically. Here’s how to do it.
5. Power Reset Your Router and Modem
Temporary issues with your router can also cause issues with your Internet connection. To fix the problem, perform a power reset. This involves momentarily turning off your router and modem and then turning them on again.
To perform a power reset:
6. Update Your Network Adapter Drivers
Corrupt or outdated network adapter drivers may act up, leaving you with no network connectivity. New drivers often come with performance improvements and bug fixes. That said, a fresh installation can also help resolve issues triggered due to driver corruption.
To update the network adapter driver:
Some laptop manufacturers provide their own apps to manage system drivers. For example,HP, Lenovo, andAsuslaptops come with theHP Support Assistant, Lenovo Vantage, andMyASUSapps, respectively. Launch the app and check if new updates are available for the computer.
Alternatively, you can also visit your PC manufacturer’s website to download the latest update for your network drivers.
7. Check Your Third-Party Antivirus and Firewall
Third-party antivirus comes with a built-in firewall. Sometimes, the firewall may block legitimate connections creating issues with your network connectivity.
Try to temporarily disable your third-party firewall or antivirus to see if the issue persists with the security program off. At times, you may need to uninstall the security program completely to disable its firewall.
Fix the “IPv4/IPv6 No Internet Access” Error
Since this error can occur due to several reasons, you may have to try all the troubleshooting steps until you find a working solution. In most cases, a Winsock catalog and IPv6/IPv4 settings reset can fix the issue. If not, look for third-party security program conflicts, bad driver issues, or glitches with your modem and router.
Learn how to fix an unstable internet connection by changing the settings on your Wi-Fi router.
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