ZyXEL N4100 Guia Do Utilizador

 Chapter 34 Troubleshooting

N4100 User’s Guide

• 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 

Reset the device to its factory defaults, and try to access the N4100 with the 
default IP address. See 

. 

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

I can see the Login screen, but I cannot log in to the N4100.

Make sure you have entered the user name and password correctly. The default 
administrator user name is admin. These fields are case-sensitive, so make sure 
[Caps Lock] is not on. 

You cannot log in to the web configurator while someone is using Telnet to access 
the N4100. Log out of the N4100 in the other session, or ask the person who is 
logged in to log out. 

Turn the N4100 off and on. 

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

I cannot access the Internet.

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

Make sure you entered your ISP account information correctly in the WAN screen. 
These fields are case-sensitive, so make sure [Caps Lock] is not on.