You can connect your PS4 to the internet by accessing the Settings > Network menu on your PS4. You can connect to your home WiFi network or via an Ethernet cable to your modem. Ethernet cable provides a more stable connection and faster download speeds. Once connected, you can access online gaming, video streaming, social networking, and more. Troubleshooting help is available on the Answers community at https://www.ifixit.com/Guide/PlayStation+4+Power+Supply+Replacement/24719