Netgear AC1900 Nighthawk™ Owner's Manual

When the router is turned on, the LEDs light for about 10 seconds and then turn off. If all the 
LEDs stay on, this indicates a fault within the router.

If all LEDs are still lit one minute after power-up, do the following:

Cycle the power to see if the router recovers.

Press and hold the Reset button to return the router to its factory settings. For more 
information, see 

171.

If the error persists, you might have a hardware problem. Contact technical support at 

www.netgear.com/support

.

If either the Ethernet port LEDs or the Internet LED does not light when the Ethernet 
connection is made, check the following:

Make sure that the Ethernet cable connections are secure at the router and at the modem 
or computer.

Make sure that power is turned on to the connected modem or computer.

Be sure that you are using the correct cable.

When connecting the router’s Internet port to a cable or DSL modem, use the cable that 
was supplied with the cable or DSL modem. This cable can be a standard 
straight-through Ethernet cable or an Ethernet crossover cable.

If the WiFi LED stays off, check to see if the WiFi On/Off button on the router has been 
pressed. This button turns the wireless radios in the router on and off. The WiFi LED is lit 
when the wireless radio is turned on.

If you are unable to log in to the router from a computer on your local network, check the 
following:

If you are using an Ethernet-connected computer, check the Ethernet connection 
between the computer and the router.

Make sure that the IP address of your computer is on the same subnet as the router. If 
you are using the recommended addressing scheme, your computer’s address is in the 
range of 192.168.1.2 to 192.168.1.254. 

If your computer’s IP address is shown as 169.254.x.x, recent versions of Windows and 
Mac OS generate and assign an IP address if the computer cannot reach a DHCP server. 
These autogenerated addresses are in the range of 169.254.x.x. If your IP address is in