Here’s a straightforward list of steps to resolve the “Error: Network connection failed. Please check your internet connection”:

1. Check Your Device: Ensure that your device’s Wi-Fi or Ethernet is turned on and functioning properly.
2. Restart Your Device: Power off your computer or smartphone and turn it back on to refresh the network settings.
3. Examine Your Router/Modem: Check for any error lights on your router or modem. Unplug it, wait for 30 seconds, and plug it back in.
4. Connect via Ethernet: If you’re using Wi-Fi, try connecting your device directly to the router with an Ethernet cable to rule out wireless issues.
5. Forget and Reconnect: On your device, forget the Wi-Fi network and reconnect by entering the password again.
6. Run Network Troubleshooter: Use the built-in network troubleshooter on your device to automatically detect and fix issues.
7. Contact Your ISP: If none of the above steps work, reach out to your internet service provider for assistance.

By following these steps, you should be able to troubleshoot and resolve the connectivity issue effectively.