1. Check if the power adapter is securely plugged-in to the router.
2. Check if the network cable is securely connected from the modem to the router.
3. Restart both the modem and the router.
4. Check if the LED lights on the router indicate that the internet is connected.
5. Move the router to a different location eliminating any barriers between it and connected devices.
6. Check if other devices are able to access the internet.
7. Reset the router and reconfigure network settings.
8. Contact the internet service provider for further assistance.