N600 and AC750 WiFi DSL Modem Routers
Ethernet LED Is Off
If the Ethernet LED does not light when you connect a device, check the following:
The Ethernet cable connections are secure at the modem router and at the hub or device.
The power is turned on to the connected hub or device.
You are using the correct cable.
You Cannot Log In to the Modem Router
If you are unable to log in to the modem router from a computer on your local network and
use the web management interface, check the following:
If you are using an Ethernet-connected computer, check the Ethernet connection
between the computer and the modem router.
If the computer is set to a static or fixed IP address (this setting is uncommon), either
change the computer to obtain an IP address automatically from the modem router
through DHCP, or change the IP address of the computer to a static or fixed IP address in
the– range.
Make sure that your computer can reach the modem router’s DHCP server. 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 this range, check the connection from the computer
to the modem router and reboot your computer.
If your modem router’s IP address was changed and you do not know the current IP
address, use an IP scanner application to detect the IP address. If you still cannot find the
IP address, clear the modem router’s configuration to factory defaults. This sets the
modem router’s IP address to For more information, see Return the Modem
Router to Its Factory Default Settings on page 155 and Factory Settings on page 199.
Make sure that Java, JavaScript, or ActiveX is enabled in your browser. If you are using
Internet Explorer, click the Refresh button to be sure that the Java applet is loaded.
Try quitting the browser and launching it again.
Make sure that you are using the correct login information. The user name is admin, and
the default password is password. Make sure that Caps Lock is off when you enter this
If you are attempting to set up your modem router as a replacement for an ADSL gateway
in your network, the modem router cannot perform many gateway services. For example,
the modem router cannot convert ADSL or cable data into Ethernet networking
information. NETGEAR does not support such a configuration.
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