Netgear R6900 - Nighthawk AC1900 Smart WiFi Router User Manual (en)

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WiFi LED Is Off
If the WiFi LED stays off, check to see if someone pressed the WiFi On/Off button on the router. This button turns
the WiFi radios in the router on and off. The WiFi LED is lit when the WiFi radios are turned on.
You Cannot Log In to the Router
If you are unable to log in to the router from a computer on your local network and use the router’s web pages, 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.
Make sure that your computer can reach the 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 router and reboot your computer.
If your 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 router’s configuration to factory defaults.
This sets the router’s IP address to 192.168.1.1. For more information, see 
 on page 191 and 
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 router behind an existing router in your network, use the router in WiFi bridge
mode (see 
If you are attempting to set up your router as a replacement for an ADSL gateway in your network, the router
cannot perform many gateway services. For example, the router cannot convert DSL or cable data into Ethernet
networking information. NETGEAR does not support such a configuration.
You Cannot Access the Internet
If you can access your router but not the Internet, check to see if the router can obtain an IP address from your
Internet service provider (ISP).
Check the WAN IP Address
Unless your ISP provides a fixed IP address, your router requests an IP address from the ISP. You can determine
whether the request was successful using the ADVANCED Home page.
Troubleshooting
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Nighthawk AC1900 Smart WiFi Router Model R6900