ERR_NAME_NOT_RESOLVED Error in Chrome occurs whenever the DNS Server is unable to resolve or match the IP Address of a website to its domain name.
Err_Name_Not_Resolved Error in Chrome
In most cases, ERR_NAME_NOT_RESOLVED Error in Chrome browser is related to DNS Server being busy, blocked, or going through problems.
The methods as provided below should help in fixing DNS related issues. If the problem does not go away or reappears, you can consider ditching the DNS servers of your service provider and switch to Google’s free DNS Server.
1. Clear Browser Cache & History
ERR_NAME_NOT_RESOLVED Error might be related to corrupted cookie files or due to cached error pages being displayed by Google Chrome browser.
Open Chrome Browser > click on 3-dots menu icon > hoover mouse over More Tools and click on Clear Browsing Data.
On the next screen, select All Time as the “Time Range” > make sure Browsing History, Cookies and Cached Images are checked and click on Clear Data button.
After Clearing Cache and browsing history, try to access the same webpage again and see if you are still getting Err_Name_Not_Resolved Error.
2. Power Cycle the Router/Modem
The simple act of disconnecting the Router/Modem from its Power Supply and Restarting it back again can help in fixing many Network and DNS related problems.
Simply, Unplug the Router from its Power Supply Source > Wait for 60 seconds and connect the Router back to its Power Supply Source.
3. Flush DNS & Reset Winsock
Most DNS related issues on a Windows computer can be fixed by flushing the DNS Cache and resetting Winsock.
Type CMD in the Search bar > right-click on Command Prompt and click on Run as administrator option.
On the Command Prompt Window, type ipconfig /flushdns and press the Enter key on the keyboard of your computer.
Next, type the following commands one-by-one and press the Enter Key after each command.
- netsh winsock reset
- netsh int ip reset
- ipconfig /release
- ipconfig /renew
- ipconfig /registerdns
Once above Commands are executed, close the Command Prompt window and Restart your computer.
4. Temporarily Disable Antivirus Software
Sometimes, third party Antivirus software installed on the computer can prevent access to certain websites, resulting in ERR_NAME_NOT_RESOLVED Error.
You can easily confirm this by temporarily disabling the Antivirus Software and once again trying to visit the website that was giving this error on your computer.
5. Switch DNS Servers
If you are unable to fix the problem using above methods, it is likely that the problem is due to the DNS Servers of your service provider being over crowded, busy, down or going through problems.
You can switch to Google’s Public DNS Servers, which are known to be fast and rated to provide 99.99% uptime.
Go to Settings > Network & Internet > scroll down in the right-pane and click on Change Adapter Options.
On the next screen, right-click on the Network (WiFi or Ethernet) for which you want to change the DNS Server.
Note: You will be prompted to enter your Admin Password, in case you are not currently logged in with your Admin Account.
On WiFi/Ethernet Properties screen, select Internet Protocol Version 4 (TCP/IPv4) and click on Properties.
On the next screen, select Use the following DNS Server addresses option and enter 8.8.8.8 as your Preferred DNS Server and 8.8.4.4 as the Alternate DNS server.
Click on OK to save the new DNS Server settings on your computer.
Restart the computer > open Chrome browser and try to connect to the same website that was producing error message on your computer.
Note: You can also consider using OpenDNS, available at 208.67.222.222 and 208.67.220.220 DNS Server Addresses.
6. Check For Malware
The problem could also be due to DNS configuration on the computer being modified by viruses or malware.
You can check your computer for malware using Windows Defender Offline Scan and Windows Malicious Software Removal Tool as available on Microsoft’s download site.