เชื่อมต่อ Wi-Fi ไม่ได้ ขึ้น Can’t connect to this network ทำง่ายๆใครก็ทำได้

Introduction

This tutorial will guide you through troubleshooting the "Can't connect to this network" issue when trying to connect to Wi-Fi using a USB Wi-Fi adapter or a notebook's built-in Wi-Fi. These steps are straightforward and designed for anyone to follow, ensuring that you can regain access to your wireless network quickly.

Step 1: Check Your Wi-Fi Adapter

• Ensure that your USB Wi-Fi adapter is properly connected to your computer.
• If using a notebook, confirm that the Wi-Fi switch is turned on (often a physical switch or a function key).
• Restart your computer to refresh the network settings.

Step 2: Verify Network Availability

• Check if other devices can connect to the same Wi-Fi network to ensure the network is functional.
• If other devices are also unable to connect, restart your router:
  • Unplug the router from the power source.
  • Wait for about 30 seconds.
  • Plug it back in and wait until it fully reboots.

Step 3: Forget and Reconnect to the Network

• Go to your computer's Wi-Fi settings.
• Locate the Wi-Fi network you are trying to connect to.
• Select the option to "Forget" the network.
• Re-scan for available networks and attempt to reconnect by entering the password.

Step 4: Update Network Drivers

• Open Device Manager on your computer.
• Expand the "Network adapters" section.
• Right-click on your Wi-Fi adapter and select "Update driver."
• Choose the option to search automatically for updated driver software.
• Follow the prompts to install any available updates.

Step 5: Adjust Network Settings

• Go to Control Panel and select "Network and Sharing Center."
• Click on "Change adapter settings."
• Right-click on your Wi-Fi connection and select "Properties."
• Highlight "Internet Protocol Version 4 (TCP/IPv4)" and click "Properties."
  • Ensure "Obtain an IP address automatically" and "Obtain DNS server address automatically" are selected.
• Click OK and restart your computer.

Step 6: Run Network Troubleshooter

• Open Settings and navigate to "Update & Security."
• Select "Troubleshoot" from the left menu.
• Click on "Additional troubleshooters."
• Find and run the "Network Adapter" troubleshooter to detect and fix issues automatically.

Conclusion

By following these steps, you should be able to resolve the "Can't connect to this network" issue effectively. If the problem persists, consider checking the router settings or seeking further technical support. Regularly updating your network drivers and ensuring proper settings can help avoid similar issues in the future.