• If you are using an Ethernet-connected computer, check the Ethernet connection between the computer
and the modem router.
• Make sure that the IP address of your computer is on the same subnet as the modem router. If you
are using the recommended addressing scheme, your computer’s address is in the range of 192.168.0.2
to 192.168.0.254.
• 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 192.168.0.1. For
more information, see Return the Modem Router to Its Factory Default Settings on page 238 and Factory
Settings on page 309.
• 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 information.
• If you are attempting to set up your modem router behind an existing router in your network, set up
the modem router as a WiFi access point (see Use the Modem Router as a WiFi Access Point on
page 131).
• 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 DSL or cable data into Ethernet networking information. NETGEAR does not support
such a configuration.
Troubleshoot the Internet Connection
If your modem router cannot access the Internet, check the DSL connection, then the WAN TCP/IP
connection.
Troubleshoot the DSL Link
If your modem router is unable to access the Internet, first determine whether the DSL link with the service
provider is working. The DSL LED indicates the state of this connection.
DSL LED Is Solid White
If the DSL link LED lights solid white , the DSL connection is good.You can be confident that the
service provider connected your line correctly and that your wiring is correct.
Diagnostics and Troubleshooting
299
Nighthawk AC1900 WiFi VDSL/ADSL Modem Router Model D7000
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