User's Manual

Troubleshooting
108
N600 Wireless Dual Band Router WNDR3400v3
• Is your router too far from your computer, or too close? Place your computer near the
router, but at least 6 feet away, and see whether the signal strength improves.
• Is you
r wireless signal blocked by objects between the router and your computer?
Restore the Factory Settings and Password
To restore the factory settings, erasing the current configuration, and changing the router’s
administration password back to password, you can:
• Use
the Erase function of the router (see Erase on page 74).
• Use
the Restore Factory Settings button on the back of the router. See Factory Settings
on page 110. If you restore the factory settings and the router fails to restart, or the green
Power/Test LED continues to blink, the unit might be defective. If the error persists, you
might ha
ve a hardware problem and should contact technical support at
http://www.netgear.com/support.
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 by 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 from a running Windows computer:
1. From the Win
dows toolbar, click Start, and select Run.
2. In th
e field provided, type ping followed by the IP address of the router, as in this example:
ping www.routerlogin.net
3. Click OK.
You should see a message like this one:
Pinging <IP address > with 32 bytes of data
If the path is working, you see this message:
Reply from < IP address >: bytes=32 time=NN ms TTL=xxx
If the path is not working, you see this message:
Request timed out
If the path is not functioning correctly, you could have one of the following problems: