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Fix Windows 10/11 Wi-Fi Problems (Connection & Adapter Issues)

✅ Quick Answer

If your Wi-Fi is not working on Windows 10/11, the issue is usually caused by a faulty network adapter, incorrect settings, outdated drivers, or router problems. The quickest fix is to run the Windows Network Troubleshooter, reset the Wi-Fi adapter, update drivers, and then restart your router. If the issue persists, reset network settings or reinstall the adapter.

❓ Why Wi-Fi Stops Working on Windows?

Wi-Fi problems are one of the most common issues for Windows users. Sometimes Wi-Fi disconnects randomly, shows limited connectivity, or fails to connect at all. This can happen due to Windows updates, driver corruption, network settings, or router issues.

Many times Windows thinks it is connected but you still cannot access the internet. This is usually caused by DNS issues, IP conflicts, or a weak signal. Fortunately, most Wi-Fi problems can be fixed within 10–15 minutes using the steps below.

🔧 Fix 1: Run Windows Network Troubleshooter

Windows Troubleshooter automatically detects Wi-Fi problems and fixes common issues like incorrect adapter settings or missing network components.

  1. Go to Settings → System → Troubleshoot.
  2. Click Other troubleshooters.
  3. Find Internet Connections and click Run.
  4. Next, run Network Adapter troubleshooter.
  5. Follow the on-screen instructions and restart your PC.

After running the troubleshooter, test your Wi-Fi again. If the issue persists, move to the next fix.

🔧 Fix 2: Reset Wi-Fi Adapter

Resetting the Wi-Fi adapter clears temporary glitches and resets the connection.

  1. Open Settings → Network & Internet → Advanced network settings.
  2. Click Network reset.
  3. Click Reset now and confirm.
  4. Restart your PC.

This removes all network adapters and reinstalls them automatically. After restart, reconnect to your Wi-Fi network using your password.

🔧 Fix 3: Update or Reinstall Wi-Fi Drivers

Outdated or corrupted Wi-Fi drivers are the most common cause of Wi-Fi issues. Updating drivers can solve connection failures, slow speeds, and frequent drops.

  1. Press Windows + X → Device Manager.
  2. Expand Network adapters.
  3. Right-click your Wi-Fi adapter and select Update driver.
  4. Choose Search automatically and install updates.
  5. If problem continues, right-click again → Uninstall device and restart PC.

Windows will reinstall the driver automatically. If it doesn’t, download the driver from your laptop manufacturer’s website.

🔧 Fix 4: Reset TCP/IP and DNS

Sometimes Wi-Fi connects but internet doesn’t work due to DNS or IP conflicts. Resetting TCP/IP and flushing DNS often fixes this.

  1. Open Command Prompt as Administrator.
  2. Type the following commands one by one:
netsh int ip reset
netsh winsock reset
ipconfig /flushdns

Restart your PC after running the commands. This refreshes network settings and removes incorrect configurations.

🔧 Fix 5: Restart Router & Check Wi-Fi Signal

Sometimes the problem is not your PC but the router or weak signal. Restarting the router can fix temporary network issues.

  1. Turn off your router and modem.
  2. Wait 30 seconds.
  3. Turn them back on and wait until all lights are stable.
  4. Reconnect your PC to Wi-Fi.

Also move closer to the router and check if the signal improves. If you use a dual-band router, try switching between 2.4 GHz and 5 GHz.

❓ Frequently Asked Questions

Why does Wi-Fi show “Connected, no internet”?

This usually happens due to DNS issues, incorrect IP address, or router problems. Resetting TCP/IP and DNS usually fixes it.

My Wi-Fi works on phone but not on PC. Why?

This means the router is fine, but the PC has a network adapter issue, driver problem, or incorrect settings.

How do I know if Wi-Fi adapter is damaged?

If the adapter is missing in Device Manager, shows error code, or never connects even after driver reinstall, it may be damaged.

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Last updated: January 2026 • Techfix&Guides