Basic Functions

N450 WiFi Cable Modem Router Model N450/CG3000Dv2

After you have turned on power to the modem router, do the following:

1.Check to see that the Power LED is lit.

2.Check that the numbered Ethernet LEDs light momentarily.

3.After a few seconds, check that the LEDs are lit for any local ports that are connected.

The following table provides help when you are using the LEDs for troubleshooting.

LED Behavior	Action

All LEDs are off when the modem	• Make sure that the power cord is properly connected to your
router is plugged in.	modem router and that the power supply adapter is properly
	connected to a functioning power outlet.
	• Check that you are using the 12 V DC power adapter supplied by
	NETGEAR for this product.
	If the error persists, you have a hardware problem. Contact technical
	support.

All LEDs stay on.	Clear the modem router’s configuration to factory defaults. This sets
	the modem router’s IP address to 192.168.0.1. See Factory Default
	Settings on page 86.
	If the error persists, you might have a hardware problem. Contact
	technical support.

LAN LED is off for a port with an	• Make sure that the Ethernet cable connections are secure at the
Ethernet connection.	modem router and at the hub or computer.
	• Make sure that power is turned on to the connected hub or
	computer.
	• Be sure that you are using the correct cable.
Internet LED is off and the modem	• Make sure that the coaxial cable connections are secure at the
router is connected to the cable	modem router and at the wall jack.
television cable.	• Make sure that your cable service provider provisioned your cable
	Internet service. Your provider should verify that the signal quality
	is good enough for cable modem service.
	• Remove any excessive splitters you might have on your cable line.
	It might be necessary to run a “home run” back to the point where
	the cable enters your home.

Connect to the Modem Router’s Main Menu

If you are unable to access the modem router’s main menu from a computer on your local network, check the following:

•Check the Ethernet connection between the computer and the modem router as described in Basic Functions on page 81.

Troubleshooting