1. Check your power cable and outlet to ensure that the modem is getting power properly.
2. Check your outlet with another device to ensure that the outlet is providing power.
3. Check that the coaxial cable connecting your modem to your wall plate or splitter is securely plugged in.
4. Reset your modem by disconnecting the power for at least 10 seconds, and then plugging it back in.
5. Check data speeds and compare to what your provider is offering.
6. Check for Internet outages in your area.
7. Contact your service provider’s support team for assistance.