Here’s a comprehensive list of steps to help you troubleshoot the network connection failure:

1. Check Physical Connections: Ensure all cables are securely connected to your device and router.
2. Restart Your Device: Power off your computer or device, wait a few moments, and turn it back on.
3. Reboot Your Router: Unplug your router, wait for 30 seconds, and then plug it back in.
4. Check for Service Outages: Visit your ISP’s website (if accessible) or contact them to see if there are known issues.
5. Run the Network Troubleshooter: Use the built-in network troubleshooter on your device to identify problems.
6. Forget and Reconnect to Wi-Fi: On your device, forget the Wi-Fi network and reconnect with the correct password.
7. Update Network Drivers: Ensure your network adapter drivers are up to date. Visit the manufacturer’s website for the latest versions.
8. Disable Firewall/Antivirus Temporarily: Disable any firewall or antivirus software to rule out interference with your network.
9. Check IP Address Settings: Ensure your device is set to obtain an IP address automatically.
10. Test with Another Device: Try connecting to the internet using another device to determine if the issue is device-specific.
11. Reset Network Settings: As a last resort, reset your network settings to their default configurations.

Following these steps should help you identify and resolve most network connection issues.