• Jan 23, 2026 How Modem Works start my modem? A: Restarting your modem occasionally (once a week or so) can help maintain optimal performance. 3. Q: What are the lights on my modem for? A: The lights usually indicate power, connection status, and internet activity. Refer to your modem's manual for details. 4. Q: H By Delia Krajcik-Abernathy