Troubleshooting: Unable to Connect to the Internet Follow

This error may also occur because ping protocol is blocked in the router settings.

To enable (ping), you must log into your router's settings and explicitly configure it to respond to ICMP or Ping echo requests on its WAN port.

If you don't know how to log into your router settings, search on Google for "How to change my router settings" + the make and model of your router.