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How to Fix Error Code 105 ERR_NAME_NOT_RESOLVED in Chrome

By metsPosted on Posted in Sport Gear

How to Fix Error Code 105 ERR_NAME_NOT_RESOLVED in Chrome

If you’re encountering the error code 105 ERR_NAME_NOT_RESOLVED in Google Chrome, it means your browser cannot resolve the website’s domain name into an IP address. This can prevent you from accessing websites and disrupt your browsing experience. This guide provides a clear, step-by-step approach to troubleshoot and fix this common issue, helping you regain smooth internet access. Before starting, ensure your internet connection is active and working correctly, and consider restarting your device or router if problems persist.

What You’ll Need

  • A computer or device with Chrome browser installed
  • Active internet connection
  • Basic knowledge of your network settings (optional but helpful)

Step-by-Step

  1. Check Your Internet Connection: Ensure your device is connected to the internet. Try opening another website or app to verify connectivity. If other sites also fail, restart your router or modem and reconnect.
  2. Clear Browser Cache and Cookies: Cached data can sometimes cause DNS issues.
    • Open Chrome and click on the three-dot menu in the top-right corner.
    • Select “Settings” > “Privacy and security” > “Clear browsing data”.
    • Choose a time range (e.g., “All time”) and check “Cookies and other site data” and “Cached images and files”.
    • Click “Clear data”.
  3. Flush DNS Cache: This resets your local DNS resolver cache.
    • On Windows:
      1. Open Command Prompt as administrator (search for “cmd”, right-click, select “Run as administrator”).
      2. Type `ipconfig /flushdns` and press Enter.
      3. Restart Chrome and test the website.
    • On macOS:
      1. Open Terminal (found in Applications > Utilities).
      2. Type `sudo killall -HUP mDNSResponder` and press Enter.
      3. Enter your administrator password when prompted.
      4. Restart Chrome and check if the issue persists.
  4. Change DNS Settings: Switching to a public DNS can resolve domain resolution issues.
    • On Windows:
      1. Go to Control Panel > Network and Internet > Network and Sharing Center.
      2. Click on your active network connection and select “Properties”.
      3. Select “Internet Protocol Version 4 (TCP/IPv4)” and click “Properties”.
      4. Select “Use the following DNS server addresses”.
        • Preferred DNS server: 8.8.8.8
        • Alternate DNS server: 8.8.4.4
      5. Click OK and restart your browser.
    • On macOS:
      1. Go to System Preferences > Network.
      2. Select your active connection and click “Advanced”.
      3. Navigate to the “DNS” tab.
      4. Click the ‘+’ button and add 8.8.8.8 and 8.8.4.4.
      5. Click OK and Apply the changes.
  5. Disable Proxy Settings or VPNs: Proxy or VPN configurations can interfere with DNS resolution.
    • On Windows:
      1. Open Settings > Network & Internet > Proxy.
      2. Turn off “Use a proxy server” if enabled.
    • On macOS:
      1. Go to System Preferences > Network.
      2. Select your network, click “Advanced” > “Proxies” tab.
      3. Uncheck any selected proxy options.
  6. Update Chrome and Operating System: Ensure your browser and OS are up to date, as updates often fix bugs related to DNS and network issues.
  7. Reset Chrome Settings: Restoring Chrome to default settings can eliminate misconfigurations.
    • Open Chrome, click the three-dot menu.
    • Navigate to “Settings” > “Reset and clean up” > “Restore settings to their original defaults”.
    • Confirm by clicking “Reset settings”.
  8. Check for Malware or Security Software Interference: Sometimes, malware or overly aggressive security software can block DNS resolution.
    • Run a full system scan using reputable antivirus or anti-malware software.
    • Temporarily disable security software and test if the issue is resolved.

Common Mistakes

  • Not restarting your browser or device after making changes—always restart Chrome or your device to ensure settings take effect.
  • Using incorrect DNS addresses—double-check your DNS entries if manually set.
  • Disabling security software without understanding its impact—security tools can interfere with DNS resolution if misconfigured.
  • Ignoring other network devices—sometimes, router issues or other connected devices can cause DNS problems.
  • Assuming the problem is on your end—sometimes, the website itself is down or experiencing DNS issues.

Tips

  • Regularly update your browser and OS to benefit from security patches and bug fixes.
  • Use reliable DNS providers like Google DNS (8.8.8.8, 8.8.4.4) or Cloudflare (1.1.1.1) for faster resolution.
  • Keep your device free of malware to prevent DNS hijacking or interference.
  • Use Chrome’s Incognito mode to check if extensions are causing conflicts—disable extensions if needed.
  • Check your router’s firmware and reset it if DNS issues persist across multiple devices.

Troubleshooting

If the above steps do not resolve the error, consider the following troubleshooting tips:

  • Test with another browser: Try accessing the website using Firefox, Edge, or another browser to see if the issue is Chrome-specific.
  • Try a different device: Use another computer or smartphone on the same network to determine if the problem is device-specific or network-wide.
  • Check website status: Use tools like DownDetector to see if the website is experiencing outages or DNS issues on their end.
  • Reset network settings: On Windows, use the Network Reset feature; on macOS, renew DHCP lease.
  • Contact your ISP: If DNS issues persist across multiple devices, your Internet Service Provider might be experiencing DNS server problems.

Frequently Asked Questions

1. What causes the ERR_NAME_NOT_RESOLVED error in Chrome?

This error typically occurs due to DNS resolution issues, incorrect network settings, cached data conflicts, or network connectivity problems.

2. Can antivirus software cause this error?

Yes, overly aggressive or misconfigured security software can block DNS requests, leading to this error. Temporarily disable it to test if it’s the cause.

3. Is changing DNS settings safe?

Yes, switching to reputable public DNS servers like Google DNS or Cloudflare is safe and can improve browsing speed and reliability.

4. How do I know if the website is down?

Use online tools like DownDetector or IsItDownRightNow to check if the website is experiencing outages or DNS issues on their end.

5. Will resetting Chrome delete my bookmarks?

No, resetting Chrome will restore settings to default but will not delete your bookmarks or saved passwords. However, it’s good to back up important data before resetting.

6. How long does it take for DNS changes to take effect?

DNS changes can be immediate or take up to 24-48 hours due to DNS propagation. Restarting your device and clearing DNS cache can speed up the process.

By following this comprehensive guide, you should be able to resolve the ERR_NAME_NOT_RESOLVED error in Chrome effectively. Remember to proceed step-by-step, and don’t hesitate to seek further help if needed.

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How to Fix Error Code 105 ERR_NAME_NOT_RESOLVED in Chrome
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