How to Fix DNS_PROBE_FINISHED_NO_INTERNET

⚠️ Common Causes

• ❌ No internet connection — Wi-Fi or Ethernet got disconnected.
• 🌐 DNS server problems — your ISP's DNS is slow or down.
• 🖥️ Broken network settings — corrupted cache, wrong IP, or proxy issues.
• 🔒 Firewall/antivirus blocking — security tools might block DNS lookups.
• 📡 Router/modem glitches — hardware needs a reboot or firmware update.
• 💻 Driver or system issues — outdated network drivers or OS network stack problems.

🛠️ Step-by-step Fixes (Friendly Guide)

✅ 1. Do the simple checks first

• See if other devices can get online. If none can, the router/modem or ISP is likely the problem.
• If only one device shows the error, it’s that device — not the whole network.
• Restart the router/modem: unplug for 30 seconds, plug back in.
• Turn Wi-Fi off and back on, or disconnect and reconnect the Ethernet cable.

✅ 2. Flush the DNS cache

Clearing the DNS cache can fix stale or corrupt entries.

Windows:

Press Win + R → type cmd → Enter
    ipconfig /flushdns
    ipconfig /release
    ipconfig /renew
    

Mac:

Open Terminal and run:
    sudo dscacheutil -flushcache; sudo killall -HUP mDNSResponder
    

Linux (varies by distro):

Try:
    sudo systemd-resolve --flush-caches
    

✅ 3. Switch your DNS server

If your ISP DNS is flaky, use a public DNS like Google or Cloudflare.

• Google DNS: 8.8.8.8 and 8.8.4.4
• Cloudflare DNS: 1.1.1.1 and 1.0.0.1

On Windows: Control Panel → Network and Internet → Network Connections → right-click your network → Properties → Internet Protocol Version 4 (TCP/IPv4) → Properties → choose "Use the following DNS server addresses" and enter the values above.

✅ 4. Restart the DNS Client service (Windows)

Press Win + R, type services.msc, find DNS Client, then right-click → Restart.

✅ 5. Temporarily disable firewall / antivirus

Some security apps can block DNS. Turn them off briefly to test — if internet returns, add exceptions for your browser or DNS traffic.

✅ 6. Reset browser settings (if the issue is browser-specific)

In Chrome: Settings → Reset settings. Also clear cached files (Ctrl + Shift + Del) and select "Cached images and files".

✅ 7. Reset the network stack (Windows)

Open Command Prompt as administrator and run:

netsh int ip reset
    netsh winsock reset
    

Then restart the PC.

✅ 8. Update network drivers

Open Device Manager → Network adapters → right-click your adapter → Update driver.

✅ 9. Router-level fixes (advanced)

Log in to your router (usually 192.168.1.1 or 192.168.0.1), check DNS settings and set them to Google or Cloudflare if needed. Also look for firmware updates.

🎯 Quick Summary

DNS_PROBE_FINISHED_NO_INTERNET means either: no internet connection or DNS can’t be reached. Start with the basics — check other devices and reboot your router. Then flush DNS, try public DNS servers, and reset network settings. If the problem keeps happening, it might be your ISP, a faulty router, or a driver/OS issue.

If you want, I can give you a short checklist you can print or a one-click batch script for Windows to run the common fixes. 👍