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Page 96 / 154 Scroll up to view Page 91 - 95
Reference Manual for the Model DG824M Wireless ADSL Modem Gateway
6-12
Advanced Configuration
Page 97 / 154
Troubleshooting
7-1
Chapter 7
Troubleshooting
This chapter gives information about troubleshooting your DG824M Wireless ADSL Modem
Gateway. After each problem description, instructions are provided to help you diagnose and solve
the problem. For the common problems listed, go to the section indicated.
•
Is the gateway on?
•
Have I connected the gateway correctly?
Go to
“Basic Functioning“ on page 7-1
.
•
I can’t access the gateway’s configuration with my browser.
Go to
“Troubleshooting the Web Configuration Interface“ on page 7-3
.
•
I’ve configured the gateway but I can’t access the Internet.
Go to
“Troubleshooting the ISP Connection“ on page 7-4
.
•
I can’t remember the gateway’s configuration password.
•
I want to clear the configuration and start over again.
Go to
“Restoring the Default Configuration and Password“ on page 7-9
.
Basic Functioning
After you turn on power to the gateway, the following sequence of events should occur:
1.
When power is first applied, verify that the Power LED
is on.
2.
Verify that the Test LED
lights within a few seconds, indicating that the self-test
procedure is running.
3.
After approximately 10 seconds, verify that:
a.
The Test LED is not lit.
Page 98 / 154
Reference Manual for the Model DG824M Wireless ADSL Modem Gateway
7-2
Troubleshooting
b.
The LAN port LEDs are lit for any local ports that are connected.
c.
The WAN port LED is lit.
If a port’s LED is lit, a link has been established to the connected device. If a LAN port is
connected to a 100 Mbps device, verify that the port’s LED is green. If the port is 10 Mbps, the
LED will be amber.
If any of these conditions does not occur, refer to the appropriate following section.
Power LED Not On
If the Power and other LEDs are off when your gateway is turned on:
•
Make sure that the power cord is properly connected to your gateway and that the power
supply adapter is properly connected to a functioning power outlet.
•
Check that you are using the 12 V DC power adapter supplied by NETGEAR for this product.
If the error persists, you have a hardware problem and should contact technical support.
Test LED Never Turns On or Test LED Stays On
When the gateway is turned on, the Test LED turns on for about 10 seconds and then turns off. If
the Test LED does not turn on, or if it stays on, there is a fault within the gateway.
If you experience problems with the Test LED:
•
Cycle the power to see if the gateway recovers and the LED blinks for the correct amount of
time.
If all LEDs including the Test LED are still on one minute after power up:
•
Cycle the power to see if the gateway recovers.
•
Clear the gateway’s configuration to factory defaults. This will set the gateway’s IP address to
192.168.0.1. This procedure is explained in
“Using the Default Reset button“ on page 7-9
.
If the error persists, you might have a hardware problem and should contact technical support.
LAN or WAN Port LEDs Not On
If either the LAN LEDs or WAN LED do not light when the Ethernet connection is made, check
the following:
Page 99 / 154
Reference Manual for the Model DG824M Wireless ADSL Modem Gateway
Troubleshooting
7-3
•
Make sure that the Ethernet cable connections are secure at the gateway and at the hub or
workstation.
•
Make sure that power is turned on to the connected hub or workstation.
•
Be sure you are using the correct cable:
—
When connecting the gateway’s WAN ADSL port, use the cable that was supplied with the
DG824M.
Troubleshooting the Web Configuration Interface
If you are unable to access the gateway’s Web Configuration interface from a PC on your local
network, check the following:
•
If you are using an Ethernet-connected PC, check the Ethernet connection between the PC and
the gateway as described in the previous section.
•
Make sure your PC’s IP address is on the same subnet as the gateway. If you are using the
recommended addressing scheme, your PC’s address should be in the range of 192.168.0.2 to
192.168.0.254. Refer to
“Verifying TCP/IP Properties“ on page C-6
or
“Verifying TCP/IP
Properties for Macintosh Computers“ on page C-17
to find your PC’s IP address. Follow the
instructions in
Appendix C
to configure your PC.
Note:
If your PC’s IP address is shown as 169.254.x.x:
Recent versions of Windows and MacOS will generate and assign an IP address if the
computer cannot reach a DHCP server. These auto-generated addresses are in the range of
169.254.x.x. If your IP address is in this range, check the connection from the PC to the
gateway and reboot your PC.
•
If your gateway’s IP address has been changed and you don’t know the current IP address,
clear the gateway’s configuration to factory defaults. This will set the gateway’s IP address to
192.168.0.1. This procedure is explained in
“Using the Default Reset button“ on page 7-9
.
•
Make sure your browser has Java, JavaScript, or ActiveX enabled. If you are using Internet
Explorer, click Refresh to be sure the Java applet is loaded.
•
Try quitting the browser and launching it again.
•
Make sure you are using the correct login information. The factory default login name is
admin
and the password is
password
. Make sure that CAPS LOCK is off when entering this
information.
If the gateway does not save changes you have made in the Web Configuration Interface, check the
following:
Page 100 / 154
Reference Manual for the Model DG824M Wireless ADSL Modem Gateway
7-4
Troubleshooting
•
When entering configuration settings, be sure to click the APPLY button before moving to
another menu or tab, or your changes are lost.
•
Click the Refresh or Reload button in the Web browser. The changes may have occurred, but
the Web browser may be caching the old configuration.
Troubleshooting the ISP Connection
If your gateway is unable to access the Internet, you should check the ADSL connection, then the
WAN TCP/IP connection.
ADSL link
If your gateway is unable to access the Internet, you should first determine whether you have an
ADSL link with the service provider. The state of this connection is indicated with the WAN LED.
WAN LED Green or Blinking Green
If your WAN LED is green or blinking green, then you have a good ADSL connection. You can be
confident that the service provider has connected your line correctly and that your wiring is
correct.
WAN LED Blinking Yellow
If your WAN LED is blinking yellow then your gateway is attempting to make an ADSL
connection with the service provider. The LED should turn green within several minutes.
If the WAN LED does not turn green, disconnect all telephones on the line. If this solves the
problem, reconnect the telephones one at a time, being careful to use a microfilter on each
telephone. If the microfilters are connected correctly, you should be able to connect all your
telephones.
If disconnecting telephones does not result in a green WAN LED there may be a problem with
your wiring. If the telephone company has tested the ADSL signal at your Network Interface
Device (NID), then you may have poor quality wiring in your house.

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