There are a few reasons why your PlayStation 4 may not be connecting to the internet. One reason could be that your router is not compatible with PlayStation 4. Another reason could be that your PlayStation 4 is not properly configured. If you have any of the following symptoms, it may be worth checking to see if you can fix the issue: -Your PlayStation 4 is not connecting to the internet -Your Playstation 4 is not responding when you try to connect to the internet -Your Playstation 4 is not streaming games or movies -You cannot play online games or multiplayer games on your Playstation 4