Internet Access - ZyXEL Communications P-663HN-51 User Manual

• If you changed the IP address
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
2
expected. See
Make sure your Internet browser does not block pop-up windows. See
3
on page 201.
Make sure your computer is in the same subnet as the ZyXEL Device. (If you know
4
that there are routers between your computer and the ZyXEL Device, skip this
step.)
• If there is a DHCP server on your network, make sure your computer is using
a dynamic IP address. See
DHCP server by default.
• If there is no DHCP server on your network, make sure your computer's IP
address is in the same subnet as the ZyXEL Device. See
76.
Reset the device to its factory defaults, and try to access the ZyXEL Device with
5
the default IP address. See
If the problem continues, contact the network administrator or vendor, or try one
6
of the advanced suggestions.
I can see the Login screen, but I cannot log in to the ZyXEL Device.
Make sure you have entered the user name and password correctly. The default
1
password is 1234. This field is case-sensitive, so make sure [Caps Lock] is not on.
Turn the ZyXEL Device off and on.
2
If this does not work, you have to reset the device to its factory defaults. See
3
Section 2.3 on page

28.3 Internet Access

I cannot access the Internet.
P-663HN-51 User's Guide
(Section 6.2.1 on page
I forgot the IP address for the ZyXEL Device.
Section 1.4 on page 23
Section 6.2.1 on page
Section 2.3 on page
29.
Chapter 28 Troubleshooting
76), use the new IP
and Section 1.5 on page
76. Your ZyXEL Device is a
Section 6.2.1 on page
29.
25.
Appendix C
207