ZyXEL N4100 User Guide - Page 251
Internet Access
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Chapter 34 Troubleshooting • If you changed the IP address and have forgotten it, see the troubleshooting suggestions for I forgot the IP address for the N4100. 2 Check the hardware connections, and make sure the LEDs are behaving as expected. See the Quick Start Guide. 3 Make sure your Internet browser does not block pop-up windows and has JavaScripts and Java enabled. See Appendix B on page 291. 4 Reset the device to its factory defaults, and try to access the N4100 with the default IP address. See Section 1.5 on page 24. 5 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. 1 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. 2 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. 3 Turn the N4100 off and on. 4 If this does not work, you have to reset the device to its factory defaults. See Section 34.2 on page 249. 34.4 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 and Section 1.6 on page 25. 2 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. N4100 User's Guide 251