ZyXEL NBG-419N Guia Do Utilizador

 Chapter 31 Troubleshooting

NBG-419N User’s Guide

If this does not work, you have to reset the device to its factory defaults. See 

I cannot see or access the Login screen in the Web Configurator.

Make sure you are using the correct IP address.

• The default IP address is 

192.168.1.1

.

• If you changed the IP address (

), use the new IP 

address.

• If you changed the IP address and have forgotten it, see the troubleshooting 

suggestions for 

Check the hardware connections, and make sure the LEDs are behaving as 
expected. See the Quick Start Guide. 

Make sure your Internet browser does not block pop-up windows and has 
JavaScripts and Java enabled. See 

Make sure your computer is in the same subnet as the NBG-419N. (If you know 
that there are routers between your computer and the NBG-419N, skip this step.)

• If there is a DHCP server on your network, make sure your computer is using 

a dynamic IP address. See 

• If there is no DHCP server on your network, make sure your computer’s IP 

address is in the same subnet as the NBG-419N. See 

Reset the device to its factory defaults, and try to access the NBG-419N with the 
default IP address. See 

.

If the problem continues, contact the network administrator or vendor, or try one 
of the advanced suggestions.

• If your computer is connected to the WAN port or is connected wirelessly, use a 

computer that is connected to a LAN/ETHERNET port.

I can see the Login screen, but I cannot log in to the NBG-419N.

Make sure you have entered the password correctly. The default password is 
1234. This field is case-sensitive, so make sure [Caps Lock] is not on.