Netgear R7900 Nighthawk X6 Ac3000 Tri Band Wifi Gigabit Router User Manual

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15.   Troubleshooting
This chapter provides information to help you diagnose and solve problems you might have with 
your router. If you do not find the solution here, check the NETGEAR support site at 
http://support.netgear.com for product and contact information.
This chapter contains the following sections:
•Quick Tips 
•Troubleshoot with the LEDs 
•Cannot Log In to the Router 
•Cannot Access the Internet 
•Changes Not Saved 
•Wireless Connectivity 
•Troubleshoot Your Network Using the Ping...

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Quick Tips
This section describes tips for troubleshooting some common problems.
Sequence to Restart Your Network
When you need to restart your network, follow this sequence:
1. Turn off and unplug the modem. 
2. Turn off the router.
3. Plug in the modem and turn it on. Wait two minutes.
4. Turn on the router and wait two minutes.
Check Ethernet Cable Connections
If your device does not power on, make sure that the Ethernet cables are...

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 Nighthawk
 X6 AC3000  Tri-Band WiFi  Router
Troubleshoot with the LEDs
By default, the router is set with standard LED settings. If you disable\
d blinking for the LEDs 
or turned off all LEDs except the Power LED, you must return the LEDs to their stand\
ard 
settings for troubleshooting. For information about controlling the LED \
settings, see  Position 
Your Router on page  12.
Standard LED Behavior When the Router Is Powered On
After you turn on power to the router, verify that...

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If the error persists, a hardware problem might be the cause. Contact technical support at 
www.netgear.com/support.
LEDs Never Turn Off
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...

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•If your computer’s IP address is shown as 169.254.x.x, this is because 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...

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If your router cannot obtain an IP address from the ISP, you might need to force your cable or 
DSL modem to recognize your new router by restarting your network. For more information, 
see 
Sequence to Restart Your Network on page 172.
If your router is still unable to obtain an IP address from the ISP, the problem might be one of 
the following:
•Your Internet service provider (ISP) might require a login program. 
Ask your ISP whether they...

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To troubleshoot a PPPoE connection:
1. Launch a web browser from a computer or wireless device that is connected to the 
network.
2. Enter http://www.routerlogin.net or http://www.routerlogin.com in the address field of the 
web browser.
A login screen displays.
3. Enter the router user name and password.
The user name is admin. The default password is password. The user name and 
password are case-sensitive.
The BASIC Home screen displays....

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•You might be running login software that is no longer needed. If your ISP provided a 
program to log you in to the Internet (such as WinPoET), you no longer need to run that 
software after installing your router. You might need to go to Internet Explorer and select 
Tools > Internet Options, click the Connections tab, and select the Never dial a 
connection. Other browsers provide similar options.
Changes Not Saved
If the router does not...

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Troubleshoot Your Network Using the Ping Utility
Most network devices and routers contain a ping utility that sends an echo request packet to 
the designated device. The device then responds with an echo reply. You can easily 
troubleshoot a network using the ping utility in your computer or workstation. 
Test the LAN Path to Your Router
You can ping the router from your computer to verify that the LAN path to your router is set up...

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Test the Path from Your Computer to a Remote Device
After verifying that the LAN path works correctly, test the path from your computer to a remote 
device.
1. From the Windows toolbar, click the Start button and select Run.
2. In the Windows Run window, type
ping -n 10 
where  is the IP address of a remote device such as your ISP DNS server.
If the path is functioning correctly, messages display that are similar to those shown in the 
Test...