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N600 Wireless Dual Band Gigabit VDSL2 Modem Router DGND3800B
•
You are using the correct cable.
Wireless LEDs Are Off
If the 2.4 GHz and 5 GHz Wireless LEDs do not light, the radios might be turned off. Press
the Wireless On/Off
DSL or Internet LED Is Off
If the DSL or Internet LED does not light, check to make sure that you are using the correct
cable. When connecting the ADSL or Ethernet WAN port, use the cables that were supplied
with the modem router. If the DSL or Internet LED is still off, this could mean that there is no
ADSL or fiber/cable modem service or the cable connected to the ADSL or Ethernet WAN
port is bad.
See also
DSL LED Is Off
Cannot Log In to the Modem Router
If you are unable to log in to the modem router from a computer on your local network, check
the following:
•
If you are using an Ethernet-connected computer, check the Ethernet connection
between the computer and the modem router as described in the previous section.
•
Make sure that your computer's IP address is on the same subnet as the modem router.
If you are using the recommended addressing scheme, your computer's address should
be in the range of 192.168.0.2 to 192.168.0.254.
•
If your computer's IP address is shown as 169.254.x.x, 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 modem router, and reboot your
computer.
•
If your modem router's IP address was changed and you do not know the current IP
address, clear the modem router's configuration to factory defaults. This sets the modem
router's IP address to 192.168.0.1. This procedure is explained in
page 149.
•
Make sure that your browser has Java, JavaScript, or ActiveX enabled. If you are using
Internet Explorer, click Refresh to be sure that the Java applet is loaded.
•
Try quitting the browser and launching it again.
•
Make sure that 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 you
enter this information.
button on the front panel to turn the radios back on.
on page 142.
Troubleshooting
141
Factory Settings
on
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