Chapter 25 Troubleshooting
P-870H/HW Series User’s Guide
237
• If you changed the IP address (
• If you changed the IP address and have forgotten it, see the troubleshooting
suggestions for
I forgot the IP address for the ZyXEL Device.
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
JavaScript and Java enabled. See
.
4
Reset the device to its factory defaults, and try to access the ZyXEL Device with
the default IP address. See
5
If the problem continues, contact the network administrator or vendor, or try one
of the advanced suggestions.
Advanced Suggestions
• If your computer is connected wirelessly, use a computer that is connected to a
ETHERNET port.
I can see the
Login
screen, but I cannot log in to the ZyXEL Device.
1
Make sure you have entered the user name and password correctly. The default
user name is admin and password is 1234. These fields are case-sensitive, so
make sure [Caps Lock] is not on.
2
Turn the ZyXEL Device off and on.
3
If this does not work, you have to reset the device to its factory defaults. See
25.3 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 and
.
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