首先確認(rèn)網(wǎng)址輸入正確、其他網(wǎng)站可訪問且設(shè)備網(wǎng)絡(luò)正常，排除網(wǎng)站本身或網(wǎng)絡(luò)連接問題；2. 重啟路由器和調(diào)製解調(diào)器以解決臨時(shí)性網(wǎng)絡(luò)故障；3. 清除Chrome的DNS緩存，在chrome://net-internals/#dns頁麵點(diǎn)擊“Clear host cache”並刷新套接字池；4. 更改DNS服務(wù)器為Google DNS（8.8.8.8和8.8.4.4）或Cloudflare DNS（1.1.1.1和1.0.0.1）以提升解析穩(wěn)定性；5. 清理系統(tǒng)DNS緩存，Windows用戶在管理員命令提示符運(yùn)行ipconfig /flushdns、/release、/renew及netsh winsock reset，macOS用戶使用sudo dscacheutil -flushcache和sudo killall -HUP mDNSResponder，Linux用戶執(zhí)行sudo systemd-resolve --flush-caches；6. 禁用Chrome所有擴(kuò)展並清除瀏覽數(shù)據(jù)（包括Cookie和緩存文件）以排除瀏覽器干擾；7. 臨時(shí)關(guān)閉防火牆或殺毒軟件，判斷是否因安全軟件阻斷DNS請求；8. 使用其他瀏覽器或Chrome無痕模式測試，確認(rèn)是否為瀏覽器配置問題；9. 檢查系統(tǒng)hosts文件（路徑為C:\Windows\System32\drivers\etc\hosts或/etc/hosts）是否存在對目標(biāo)域名的手動(dòng)屏蔽或重定向規(guī)則，若有則註釋或刪除；10. 若以上步驟無效，通過Down For Everyone Or Just Me等工具確認(rèn)是否網(wǎng)站自身故障，若是則需等待其恢復(fù)；該錯(cuò)誤通常由DNS解析失敗引起，按順序執(zhí)行上述步驟可解決絕大多數(shù)情況，最終問題得以修復(fù)。

The ERR_NAME_NOT_RESOLVED error in Google Chrome means your browser can't find the website's server because the domain name can't be translated into an IP address. This is usually a DNS-related issue, but it can also stem from your network settings, browser, or even the website itself. Here's how to fix it step by step.

1. Check the Website and Internet Connection

Before diving into technical fixes, rule out the basics:

• ? Make sure you typed the URL correctly (eg, no extra characters or wrong domain like .cmo instead of .com ).
• ? Test if other websites load. If they don't, the issue is likely with your internet connection.
• ? Try opening the site on another device using the same network. If it fails there too, the problem may be network-wide.

Tip: You can also try accessing the site via a mobile data connection or a public Wi-Fi hotspot to confirm if it's reachable.

2. Restart Your Router and Modem

Sometimes, the issue is temporary and caused by a glitch in your router or ISP.

• Turn off your router and modem.
• Wait 30 seconds.
• Turn them back on and wait for all lights to stabilize.
• Reload the page in Chrome.

This often clears up temporary DNS or connection hiccups.

3. Clear Chrome's DNS Cache

Chrome maintains its own DNS cache, which can become outdated or corrupted.

Steps:

1. Open Chrome and go to:
   chrome://net-internals/#dns
2. Click the "Clear host cache" button.

Then try reloading the problematic site.

Bonus: Also clear socket pools at chrome://net-internals/#sockets by clicking "Flush socket pools" — this helps reset active connections.

4. Change Your DNS Server

Your current DNS (Domain Name System) server might be slow or unresponsive. Switching to a reliable one like Google DNS or Cloudflare can help.

Use Google DNS:

1. Go to Control Panel > Network and Sharing Center > Change adapter settings .
2. Right-click your active network connection → Properties .
3. Select "Internet Protocol Version 4 (TCP/IPv4)" → Properties .
4. Choose "Use the following DNS server addresses" and enter:
   • Preferred DNS server: 8.8.8.8
   • Alternate DNS server: 8.8.4.4
5. Click OK , then restart your browser.

Alternatively, use Cloudflare DNS : 1.1.1.1 and 1.0.0.1 .

5. Flush Your System DNS Cache

Your operating system also caches DNS entries. Clear it:

On Windows:

1. Open Command Prompt as Administrator.
2. Run these commands one by one:

    ipconfig /flushdns
   ipconfig /release
   ipconfig /renew
   netsh winsock reset

3. Restart your computer.

On macOS: Open Terminal and run:

 sudo dscacheutil -flushcache
sudo killall -HUP mDNSResponder

On Linux (Ubuntu/Debian):

 sudo systemd-resolve --flush-caches

6. Disable Extensions and Clear Browser Data

A misbehaving Chrome extension or corrupted cookies might interfere.

• Go to chrome://extensions/ and disable all extensions temporarily.
• Test the site again.
• If it works, re-enable extensions one by one to find the culprit.

Also, clear browsing data:

• Press Ctrl Shift Del (Windows) or Cmd Shift Del (Mac).
• Select "All time" and check Cookies , Cached images and files .
• Click Clear data .

7. Temporarily Disable Firewall or Antivirus

Some security software blocks DNS requests or filters traffic too aggressively.

• Turn off your firewall or antivirus temporarily.
• Check if the site loads.
• If it works, adjust the security settings or consider switching to a less intrusive tool.

Don't leave your system unprotected — only disable temporarily for testing.

8. Try Another Browser or Incognito Mode

Test the same site in Firefox, Edge, or Chrome Incognito ( Ctrl Shift N ).
If it works in incognito, the issue is likely tied to Chrome's profile, extensions, or cache.

9. Check Hosts File for Manual Overrides (Advanced)

Your computer's hosts file might be redirecting or blocking the domain.

• File location:
  C:\Windows\System32\drivers\etc\hosts (Windows)
  /etc/hosts (macOS/Linux)

• Open it with Notepad (as admin if on Windows).

• Look for any lines containing the problematic domain.

• Remove or comment them out by adding # at the start.

• Save and restart your browser.

10. Wait It Out (If the Site Is Down)

Sometimes the website itself has DNS propagation issues or server downtime.

• Use tools like Down For Everyone Or Just Me or DNS Checker to verify.
• If others can't access it either, the problem is on the site's end — just wait.

Fixing ERR_NAME_NOT_RESOLVED usually comes down to DNS or local network issues. Start with clearing Chrome's cache and restarting your router, then move to changing DNS settings if needed. Most cases are resolved within a few minutes.

Basically, it's not as scary as it looks — just a hiccup in how your computer finds websites.

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