Netgear Wndr4300v2 N750 Wifi Dual Band Gigabit Router Premium Edition User Manual

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12.   Troubleshooting
This chapter provides information to help you diagnose and solve problems you might 
experience 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...

Troubleshooting 
142 N750 WiFi Router 
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 securely plugged 
in. The...

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 N750 WiFi Router
Troubleshoot with the LEDs
You can use the LEDs to identify setup or performance problems in the rou\
ter and to isolate 
the cause.
Standard LED Behavior When the Router Is Powered On
After you turn on power to the router, make sure that the following sequ\
ence of events  occurs:
1.  When power is first applied, verify that the Power LED 
 is lit.
2.  After about two minutes, verify the following:
• The Power LED is solid green.
• The Internet LED is lit.
• The 2.4...

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N750 WiFi Router 
LEDs Never Turn Off
When the router is turned on, the LEDs light for about 10 seconds and th\
en 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 Factory Settings  on page
  152.
If the error persists, a hardware...

Troubleshooting 
145  N750 WiFi Router
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, 
clear the router’s configuration to factory defaults. This sets the router’s IP address to 
192.168.1.1. For more information, see 
Factory Settings on page 152.
•Make sure that Java, JavaScript, or ActiveX is enabled in your browser. If you are using 
Internet Explorer, click...

Troubleshooting 
146 N750 WiFi Router 
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 require PPP over Ethernet (PPPoE) or some other type of 
login.
•If your ISP requires a login, the login name and password might be set incorrectly.
•Your ISP might check for your computer’s host name. 
Assign the computer host name of your ISP account as the...

Troubleshooting 
147  N750 WiFi Router
Troubleshoot PPPoE
If you are using PPPoE, try troubleshooting your Internet connection.
To troubleshoot a PPPoE connection:
1. Launch a web browser from a computer or wireless device that is connected to the 
network.
2. Type http://www.routerlogin.net or http://www.routerlogin.com.
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...

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N750 WiFi Router 
Reboot the computer and verify that the router address (www.routerlogin.net) is listed by 
your computer as the default gateway address.
• Y
ou 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...

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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 
correctly.
To ping the router...

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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 Test 
the LAN Path to Your Router...