Test raw internet connection
By doing this step you will remove any issues that your own personal network, or router might be causing.
Unplug your Ethernet cable from your router, this cable will be connected to the LAN side of your power supply. (Shown in picture)
Plug that cable directly into your Computer or Laptop.
Test your internet.
If your internet works then you have an issue with your Router or Personal Network.
Still no internet