ZyXEL Communications nbg-418n User Manual
Chapter 20 Troubleshooting
NBG-418N User’s Guide
143
2
Check the hardware connections, and make sure the LEDs are behaving as expected. See the Quick
Start Guide.
Start Guide.
3
Make sure your Internet browser does not block pop-up windows and has JavaScript and Java
enabled. See
enabled. See
4
Make sure your computer is in the same subnet as the NBG-418N. (If you know that there are
routers between your computer and the NBG-418N, skip this step.)
routers between your computer and the NBG-418N, skip this step.)
• If there is a DHCP server on your network, make sure your computer is using a dynamic IP
address.
• If there is no DHCP server on your network, make sure your computer’s IP address is in the
same subnet as the NBG-418N.
5
Reset the device to its factory defaults, and try to access the NBG-418N with the default IP address.
6
If the problem continues, contact the network administrator or vendor, or try one of the advanced
suggestions.
suggestions.
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-418N.
1
Make sure you have entered the password correctly. The default username is admin and default
password is 1234. This field is case-sensitive, so make sure [Caps Lock] is not on.
password is 1234. This field is case-sensitive, so make sure [Caps Lock] is not on.
2
This can happen when you fail to log out properly from your last session. Try logging in again after
5 minutes.
5 minutes.
3
Disconnect and re-connect the power adaptor or cord to the NBG-418N.
4
If this does not work, you have to reset the device to its factory defaults. See
.
20.3 Internet Access
I cannot access the Internet.
1
Check the hardware connections, and make sure the LEDs are behaving as expected. See the Quick
Start Guide.
Start Guide.
2
Make sure you entered your ISP account information correctly in the wizard. These fields are case-
sensitive, so make sure [Caps Lock] is not on.
sensitive, so make sure [Caps Lock] is not on.