Chapter 31 Troubleshooting
NBG-419N User’s Guide 219
2If this does not work, you have to reset the device to its factory defaults. See
Section 31.4 on page 221.
I cannot see or access the Login screen in the Web Configurator.1Make sure you are using the correct IP address.
• The default IP address is 192.168.1.1.
• If you changed the IP address (Section 13.4 on page 137), use the new IP
address.
• If you changed the IP address and have forgotten it, see the troubleshooting
suggestions for I don’t know the IP address of my NBG-419N.
2Check the hardware connections, and make sure the LEDs are behaving as
expected. See the Quick Start Guide.
3Make sure your Internet browser does not block pop-up windows and has
JavaScripts and Java enabled. See Appendix A on page 233.
4Make 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 Section 14.3 on page 139.
• 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 Appendix B on page
241.
5Reset the device to its factory defaults, and try to access the NBG-419N with the
default IP address. See Section 28.3 on page 208.
6If the problem continues, contact the network administrator or vendor, or try one
of the advanced suggestions.
Advanced Suggestion
• 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.1Make 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.