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 PS4 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 PS4 is not connecting to the internet when you try to play games or watch videos -Your PS4 is not connecting to the internet when you try to sign in or use the online features of your PlayStation 4 -You are getting errors when trying to connect to the internet on your PS4