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The following table shows front panel LED status information for your Nighthawk multi-gig cable modem. Use these LEDs for troubleshooting assistance.

For more information about the front panel LEDs, see, What do the LEDs on my NETGEAR Nighthawk Multi-Gig speed cable modem mean?.

Table 1. Troubleshooting with LEDs
LED Behavior Action
All LEDs are off when the cable modem is plugged in.
  • Make sure that the power cord is properly connected to your cable modem and that the power supply adapter is properly connected to a functioning power outlet.
  • Make sure that you are using the 12 VDC, 1.5A power adapter from NETGEAR for this product.
  • If the error persists, a hardware problem occurred. Contact Technical Support.
All LEDs stay on.
  • Reset the configuration of the cable modem to its factory defaults.
  • If the error persists, a hardware problem occurred. Contact Technical Support.
The Ethernet LED is off for a port with an Ethernet connection.
  • Make sure that the Ethernet cable connections are secure at the cable modem and at the computer, router, or WiFi router.
  • Make sure that power is turned on to the connected hub or computer.
  • Be sure that you are using the correct cable.
The Internet LED is off and the cable modem is connected to the cable wall jack.
  • Make sure that the coaxial cable connections are secure at the cable modem and at the wall jack.
  • Make sure that your Internet service provider provisioned your cable Internet service. Your ISP can verify that the signal quality is good enough for cable modem service.
  • Remove any excessive splitters that you installed on your cable line.
The Power LED lights red.

The cable modem is too warm and might overheat. Do the following:

  1. Disconnect the power adapter.
  2. Wait a few minutes to let the cable modem cool down.
  3. Make sure that the cable modem is placed in a vertical position.
  4. Make sure that the cable modem is placed in a location with good ventilation.
  5. Reconnect the power adapter.
Last Updated:07/07/2025 | Article ID: 000060398

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