Encountering the 'DNS Server Not Responding' error is one of the most frustrating experiences for any internet user. This error means your browser is unable to establish a connection to the internet because the Domain Name System (DNS)—the service that translates website names (like google.com) into IP addresses—is failing to communicate with your device. Whether you are on Windows 11, 10, or using a Mac, this guide provides the exact steps to resolve the issue and get back online.

Step 1: Restart Your Router and Computer

Before diving into complex settings, start with the basics. This error is often caused by a temporary glitch in your networking hardware. Unplug your router's power cable, wait for 30 seconds, and plug it back in. While the router reboots, restart your computer. This clears the temporary cache and forces a fresh handshake between your device and the ISP.

Step 2: Flush the DNS Cache and Reset IP Settings

Over time, your computer's DNS cache can become corrupted or outdated, leading to connection failures. You can clear this manually using the Command Prompt.

• Type cmd in the Windows search bar, right-click it, and select Run as Administrator.
• Type the following commands one by one, pressing Enter after each:
• ipconfig /flushdns
• ipconfig /registerdns
• ipconfig /release
• ipconfig /renew
• netsh winsock reset

Once finished, restart your PC and check if the internet is working.

Step 3: Change Your DNS Server Manually

By default, your computer uses the DNS server provided by your Internet Service Provider (ISP). If their server is down, you will lose access. Switching to a reliable public DNS like Google DNS or Cloudflare usually fixes the problem.

• Open the Control Panel and go to Network and Sharing Center.
• Click on Change adapter settings.
• Right-click your active connection (Wi-Fi or Ethernet) and select Properties.
• Select Internet Protocol Version 4 (TCP/IPv4) and click Properties.
• Select Use the following DNS server addresses and enter:
• Preferred DNS server: 8.8.8.8 (Google) or 1.1.1.1 (Cloudflare)
• Alternate DNS server: 8.8.4.4 or 1.0.0.1
• Check the box for Validate settings upon exit and click OK.

Step 4: Disable IPv6 (Internet Protocol Version 6)

While IPv6 is the modern standard, it can occasionally cause compatibility issues with older routers or specific ISP configurations, resulting in the DNS error.

• Go back to the Network Connections window (as seen in Step 3).
• Right-click your connection and select Properties.
• Uncheck the box next to Internet Protocol Version 6 (TCP/IPv6).
• Click OK and try refreshing your browser.

Step 5: Update or Reinstall Your Network Adapter Driver

An outdated or buggy network driver can prevent your computer from communicating correctly with the DNS server. Updating your drivers ensures compatibility with the latest web protocols.

• Right-click the Start button and select Device Manager.
• Expand the Network adapters section.
• Right-click your primary network controller (e.g., Intel Wi-Fi or Realtek Ethernet) and select Update driver.
• Choose Search automatically for drivers. If no update is found, select Uninstall device, restart your computer, and Windows will automatically reinstall the driver for you.

Step 6: Disable Secondary Network Connections

If you have virtual adapters (like those from VPNs or VMware/VirtualBox) active, they can sometimes interfere with your primary DNS request. Open Network Connections and ensure that only your active Wi-Fi or Ethernet adapter is enabled. Right-click any "Virtual" or "Extra" adapters and select Disable to eliminate conflicts.

💡 Pro Tip: Keep your software updated to avoid these issues in the future.