Err_Name_Not_Resolved: What Does It Mean And How To Fix It

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In this guide, you can find out what to bởi vì when the ERR_NAME_NOT_RESOLVED error appears on your computer or laptop when browsing.

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You can access an almost infinite number of websites thanks khổng lồ the internet. To visit a certain website, all you need is your browser & domain name-which is found by DNS servers (Domain Name System). When resolving it through these local networks, your computer will automatically translate this address into its numerical IP format.

When this process isn’t possible for some reason, you might encounter the ERR_NAME_NOT_RESOLVED error. The most common cause for this is when your computer is unable to lớn connect to lớn the internet, or your DNS servers are down. If you"ve recently changed or updated your DNS server & your device(s) aren"t connecting properly, ERR_NAME_NOT_RESOLVED might occur.

What causes the ERR_NAME_NOT_RESOLVED error?

There are a few causes for ERR_NAME_NOT_RESOLVED, but the most common is when your device can"t connect khổng lồ the mạng internet or your DNS servers are down.

To fully comprehend how the ERR_NAME_NOT_RESOLVED problem occurs, you must first understand what DNS is. When you type in a trang web URL like hostingvietnam.vn into your website browser & then hit Enter, your browser sends out a request via DNS (Domain Name System) for your IP address. This is for information related khổng lồ establishing connectivity between you (the client) and the said site"s server.

If your browser or ISP has previously cached the website’s IP address, this is a seamless process. Otherwise, it will use the DNS domain name name resolution method khổng lồ obtain the IP address within seconds. However, this is where problems may arise. If the website is relocated lớn a different IP address, but the system still caches the previous address, you’ll see the ERR_NAME_NOT_RESOLVED error.

Your browser may try khổng lồ use the incorrect cached address, resulting in the tên miền name being unable lớn be resolved & an error message being shown.

How to lớn fix ERR_NAME_NOT_RESOLVED

Follow these steps khổng lồ solve the ERR_NAME_NOT_RESOLVED error on your website browser.

Method 1. Flush your DNS cache

You may manually delete the DNS cache stored on your device lớn see if the problems it creates are resolved. The procedure takes only a few minutes và includes the use of a Command Prompt.

Open the tìm kiếm bar in your taskbar by clicking on the magnifying glass icon. You can also bring it up with the Windows + S keyboard shortcut.When prompted by the User tài khoản Control (UAC), click Yes khổng lồ allow the phầm mềm to launch with administrative permissions.Input the commands below in the following order, pressing the Enter key on your keyboard after each line:ipconfig /flushdnsipconfig /registerdnsipconfig /renewipconfig /release
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Close the Command Prompt and open any web browser. Kiểm tra if you’re able lớn access a website without running into the ERR_NAME_NOT_RESOLVED error.

Method 2. Clear host cache in Google Chrome

If you use Google Chrome as your browser, this solution may vày the trick for you. Chrome maintains track of all DNS entries in order lớn speed up the loading of the websites you visit frequently. If wrong entries are stored, it might cause errors lượt thích ERR_NAME_NOT_RESOLVED. Khổng lồ fix this, clear the host cache in Google Chrome.

Launch Google Chrome and type chrome://net-internals/#dns into the address bar, & then hit Enter on your keyboard.
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Click on the Clear host cache button. You’ll be prompted khổng lồ relaunch Google Chrome for the changes to lớn take effect. When you’re done, check if this method has helped you with the DNS error at hand.
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Method 3. Clear browsing data

Clearing your browsing data will offer your DNS settings a clean slate. This reduces the chances of the ERR_NAME_NOT_RESOLVED error being caused by defective or outdated DNS requests. Simply follow the steps below for your preferred website browser.

How khổng lồ clear browsing data in Google Chrome

If you use Google Chrome for browsing, follow the steps below to clear your browsing data.

Click on the More icon (the three dots placed vertically next to your Chrome user icon), & then hover over More tools. Select Clear browsing data from the drop-down menu.
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Make sure the time range is set lớn All time.
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Enable all of the following options:Browsing historyCookies và other site dataCached images and files
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Click on the Clear data button. After the process is over, restart Google Chrome and check if this helped you resolve the DNS problem. How lớn clear browsing data in Firefox

If you use Mozilla Firefox for browsing, follow the steps below to lớn clear your browsing data.

Type about:preferences#privacy into the address bar & press the Enter key on your keyboard. You’ll be redirected khổng lồ Firefox’s settings page.
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Scroll down lớn the Cookies & Site Data section. Here, click on the Clear Data button.
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Select both Cookies và Site Data & Cached web Content, và then click on the Clear button lớn proceed. Wait for Firefox to lớn process your request and delete the data.
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Restart your browser after the task has concluded. You can try accessing the trang web that previously gave you the ERR_NAME_NOT_RESOLVED error. How khổng lồ clear browsing data in Microsoft Edge

If you use Microsoft Edge for browsing, follow the steps below lớn clear your browsing data.

Click on the Edge menu button in the top-right corner of the browser, & then click on Settings from the available options.
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Switch to lớn the Privacy, search, và services tab using the pane on the left side. Here, scroll down until you see the Choose what to clear button, và then click on it.
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Make sure khổng lồ set the time range khổng lồ All time.

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Select Browsing history, Download history, Cookies, & other site data, & Cached images & files then press the Clear now button. Wait for the process to finish, và then thử nghiệm if the same error occurs when you browse with Edge.

Method 4. Disable preloading pages

Most browsers will try khổng lồ preload websites or prefetch information before you click on a liên kết in order lớn speed up loading times when you eventually visit the destination. This is very useful for many users but may cause problems such as the ERR_NAME_NOT_RESOLVED error.

To ensure it doesn’t interfere with your connection, follow the steps for your browser & turn off all preloading và prefetching features.

How to lớn disable preloading in Google ChromeClick on the More icon — the three dots in the upper-right corner of your browser, — và then click on Settings. Alternatively, if you prefer the speedier route, you can also just type chrome://settings in your address bar & hit go.
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Click on Privacy và security from the sidebar. On the main page, click on the Cookies & other site data button to be redirected.
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Tip: On older versions of Google Chrome, you may need khổng lồ scroll all the way khổng lồ the bottom of the Settings page, & then click on the link that says Advanced settings. You should see a new section xuất hiện up, extending the page further.Scroll down until you see the Preload pages for faster browsing và searching setting. Click on the toggle so that the feature is turned off (shows up gray).
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Restart Google Chrome và see if you’re able lớn access the problematic trang web after making this small change lớn your settings. How khổng lồ disable DNS prefetch in FirefoxLaunch the Firefox browser, & then type about:config in the address bar and press Enter on your keyboard. You’ll be redirected lớn the Firefox configuration page.It"s possible that a warning page may display. Lớn go lớn the about:config page, click the Accept the RiskContinue buttons.Once you’re on the about:config page, use the search function to look for the preference network.dns.disablePrefetch. Look at the Value column associated with the entry, & make sure it’s set to true.Save your changes và restart Firefox. How lớn disable preloading pages in Microsoft EdgeClick on the Edge thực đơn button in the top-right corner of the browser, and then click on Settings from the available options.Use the search input box khổng lồ look up “preload”. From the search results, make sure that the Preload the new tab page for a faster experience option is turned off.
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Method 5. Reset the Windows Firewall

If your firewall settings have been changed, it’s possible that something you modified is now interfering with your mạng internet connection. Khổng lồ resolve this problem we recommend resetting the Windows Firewall to its mặc định settings.

Press the Windows + R keys on your keyboard khổng lồ launch the Run utility. Type in “firewall.cpl” (without the quotation marks) and click on the OK button.
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Click on the Restore defaults liên kết in the left-side menu. You may need administrative authentication khổng lồ proceed, so make sure you have the appropriate tài khoản or have your IT professional nearby.
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Click on the Restore defaults button to reset your firewall to its original settings. Take cảnh báo that you may need to reconfigure some applications or your network after making this change!
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Method 6. Reset the Winsock catalog

Running this simple command khổng lồ reset the Winsock library can help you resolve DNS issues và restore the default Windows Sockets API settings, allowing everything khổng lồ work smoothly once again!

Open the tìm kiếm bar in your taskbar by clicking on the magnifying glass icon. You can also bring it up with the Windows + S keyboard shortcut.Type Command Prompt in the tìm kiếm box. When you see it in the results, right-click on it and choose Run as Administrator.
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When prompted by the User account Control (UAC), click Yes to lớn allow the app to launch with administrative permissions.Input the commands below in the following order, pressing the Enter key on your keyboard after each line:netsh int ip set dnsnetsh winsock reset
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Close the Command Prompt và see if you’re able lớn browse the internet using Google Chrome without the ERR_NAME_NOT_RESOLVED error.

Method 7. Change your DNS server

If your issue is network-related, you may need to modify your DNS address to something else. There are several public DNS providers lớn choose from. Alternatively, you can switch your device to get the information you need automatically. On Windows, here"s how to go to the DNS settings.

Press Ctrl + X on your keyboard, và then click on Network Connections from the context menu.
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Select your current connection type (for example “Wi-Fi” or “Ethernet”) in the left pane, and then click on Change adapter options on the right pane.
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Right-click on the connection you’re currently using & select Properties.
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Scroll down until you see the Internet Protocol Version 4 (TCP/IPv4) option. If there’s no checkmark next khổng lồ it, click on the box once khổng lồ enable it. Afterward, click on the Properties button to xuất hiện a popup window.
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Select Use the following DNS hệ thống addresses. Now, you have some choices for what DNS hệ thống you want lớn use:

Select the Validate settings upon exit option if you don’t want khổng lồ restart your computer — otherwise, & then click OK và reboot. See if the changes have helped you access the trang web that was giving you problems previously.

Method 8. Scan your computer for malware

We recommend scanning your computer to make sure that it does not have any viruses. Some harmful programs can cause the computer and apps khổng lồ crash, or might trigger the “This website page is not available (ERR_NAME_NOT_RESOLVED)” error in your browser.

We’ll use the Windows Defender built-in program to scan, which is available in both Windows 10 & Windows 11 for free. To lớn get a more thorough assessment of your device’s health, we recommend purchasing a third-party application that specializes in real-time protection và internet protection.

Open the search bar in your taskbar by clicking on the magnifying glass icon. You can also bring it up with the Windows + S keyboard shortcut.Type in Windows Security & launch it from the search results.Switch to the Virus và Threat Protection tab using the home screen or the thực đơn in the left-side pane. Click on the Scan Options link.Select the Full scan option. This is going to kiểm tra every single tệp tin on all of your drives lớn ensure no threats can hide. Take chú ý that this scan may last over 1-2 hours, depending on how many files you have on your system.Click on the Scan now button khổng lồ begin the scan. If a threat is detected, Windows will automatically quarantine or remove it entirely. You can nhận xét the scan results afterward.

Method 9. Temporarily disable your antivirus app

Your antivirus program may occasionally detect sites as false positives, which means it incorrectly identifies a safe website as suspicious. In this instance, you"ll need lớn temporarily disable your antivirus software before connecting khổng lồ the trang web that"s now giving you the ERR_NAME_NOT_RESOLVED issue.

Right-click on an empty space in your taskbar and choose Task Manager from the context menu.Switch to the Start-up tab using the header menu located at the đứng top of the window. Here, find your antivirus application from the list and select it by clicking on it once.Click on the Disable button now visible in the bottom-right of the window. This will disable the application from launching when you start your device.Restart your computer & see if you’re able to lớn access the website giving you an error. Don’t forget to lớn turn your antivirus app back on afterwards!

Final thoughts

If there are any questions left unanswered or problems not addressed, please feel không lấy phí to reach out — our team of experts would love to help! In the meantime be sure to lớn keep up with all things tech by checking back for more articles about troubleshooting, and following us on social media.

Follow our Blog for more great articles lượt thích this one! In addition, you can kiểm tra our Help Center for a wealth of information on how lớn troubleshoot various issues.

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