How to fix NETGEAR CM1100 when all LEDs are off?
- BBenjamin HarringtonJul 28, 2025
If all the LEDs on your NETGEAR Modem are off when it's plugged in, ensure the power adapter is securely connected to both the modem and a functioning power outlet. Also, verify that you're using the 12 VDC, 2.5 A power adapter specifically designed for this NETGEAR product. If the problem continues, it might indicate a hardware issue, and you should contact technical support.