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Using Network Monitoring Tools
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Chapter 8
Troubleshooting
This chapter provides information about troubleshooting your RangeMax NEXT Wireless Router
WNR834B. After each problem description, instructions are provided to help you diagnose and
solve the problem. As a first step, please review the Quick Tips.
This chapter includes:
Troubleshooting Quick Tips
Troubleshooting Basic Functions
Troubleshooting the Web Configuration Interface
Troubleshooting the Internet Connection
Troubleshooting a Network Using a Ping Utility
Problems with Date and Time
Solving Wireless Connection Problems
Restoring the Default Configuration and Password
Troubleshooting Quick Tips
This section describes tips for troubleshooting some common problems:
Be sure to restart your network in this sequence.
1.
Turn off
and
unplug the modem.
2.
Turn off the wireless router and computers.
3.
Plug in the modem and turn it on. Wait 2 minutes.
4.
Turn on the wireless router and wait 1 minute.
Tip:
NETGEAR provides helpful articles, documentation, and the latest software
updates at
.
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5.
Turn on the computers.
Make sure the Ethernet cables are securely plugged in.
The Internet status light on the wireless router will be lit if the Ethernet cable connecting the
wireless router and the modem is plugged in securely and the modem and wireless router are
turned on.
For each powered on computer connected to the wireless router by an Ethernet cable, the
corresponding numbered router LAN port light will be lit.
Make sure the wireless settings in the computer and router match exactly.
For a wirelessly connected computer, the Wireless Network Name (SSID) and WEP or WPA
security settings of the router and wireless computer must match exactly.
If you have enabled the wireless router to restrict wireless access by MAC address, you must
add the wireless computer’s MAC address to the router’s wireless card access list.
Make sure the network settings of the computer are correct.
Wired and wirelessly connected computers
must
have network (IP) addresses on the same
network as the router. The simplest way to do this is to configure each computer to obtain an
IP address automatically using DHCP. Please see
“Preparing a Computer for Network Access”
in Appendix B
or the documentation that came with your computer
.
Some cable modem service providers require you to use the MAC address of the computer
initially registered on the account. Your wireless router can capture and use that MAC address,
as described in
“Configuring Your Internet Connection Using the Smart Setup Wizard” on
page 2-5
.
Check the test light to verify correct router operation.
If the Test light does not turn off within 2 minutes after turning the router on, reset the router
according to the instructions in
“Problems with Date and Time” on page 8-9
.
Troubleshooting Basic Functions
After you turn on power to the router, the following sequence of events should occur:
1.
When power is first applied, verify that the Power light
is on.
2.
After approximately 10 seconds, verify that:
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a.
The power light is solidly on.
b.
The Internet light is lit.
c.
A numbered LAN port light is lit for any local port that is connected to a computer. This
indicates that a link has been established to the connected device.
If any of the above conditions does not occur, see the appropriate following section.
The power light is not on or is blinking.
If the Power and other lights are off when your router is turned on:
Make sure that the power cord is properly connected to your router and that the power adapter
is properly connected to a functioning power outlet.
Check that you are using the 12V DC 1A power adapter that NETGEAR supplied for this
product.
If the Power light alternately blinks green and amber every second, the router software is
corrupted. This can happen if a firmware upgrade is interrupted, or if the router detects a
problem with the firmware. For recovery instructions, contact technical support at
www.netgear.com/support
.
If the error persists, you have a hardware problem and should contact technical support at
www.netgear.com/support
.
The lights never turn off,
When the router is turned on, the lights turns on for about 10 seconds and then turn off. If all the
lights stay on, there is a fault within the router.
If all lights are still on one minute after power up:
Cycle the power to see if the router recovers.
Clear the router’s configuration to factory defaults as explained in
“Problems with Date and
Time” on page 8-9
.
If the error persists, you might have a hardware problem and should contact technical support at
www.netgear.com/support
.
The LAN or WAN port lights are not lit.
If either the LAN port lights or Internet light do not light when the Ethernet connection is made,
check the following:
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Make sure that the Ethernet cable connections are secure at the router and at the modem or
computer.
Make sure that power is turned on to the connected modem or computer.
Be sure you are using the correct cable:
When connecting the router’s Internet port to a cable or DSL modem, use the cable that
was supplied with the cable or DSL modem. This cable could be a standard straight-
through Ethernet cable or an Ethernet crossover cable.
The Wireless light is not lit.
If the Wireless light does not come on, verify that the wireless feature is turned on according to the
instructions in
“Configuring Security in the Advanced Wireless Settings Menu” on page 3-6
.

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