Cable Modem User Guide SB5100

Introduction Before You Begin Installation & Configuration FAQ
Troubleshooting
Glossary
License
SB5100 Series Cable Modem User Guide 42
Troubleshooting
If the solutions listed here do not solve your problem, contact your cable service provider. Before calling your service provider, try one of:
• Unplugging and plugging in the cable modem power cord to restart the cable modem
• Pressing the reset button on the rear panel
Restarting or resetting the cable modem may take 5 to 30 minutes. Your service provider may ask for the status of the front-panel lights as
described in “Front-Panel Lights and Error Conditions” on page 44.
Problem Possible Solutions
Green POWER light is off Check that the power cord is properly plugged into the electrical outlet and the cable modem.
Check that the electrical outlet is working.
If the Standby light is on, the Internet connection is off. Press the Standby button to reconnect to the Internet.