• The default IP address of the Zyxel Device is http://192.168.168.1.

• If you changed the IP address and have forgotten it, you might get the IP address of the Zyxel Device by looking up the IP address of the default gateway for your computer. To do this in most Windows computers, click Start > Run, enter cmd, and then enter ipconfig. The IP address of the Default Gateway might be the IP address of the Zyxel Device (it depends on the network), so enter this IP address in your Internet browser.

• If your Zyxel Device is a DHCP client, you can find your IP address from the DHCP server. This information is only available from the DHCP server which allocates IP addresses on your network. Find this information directly from the DHCP server or contact your system administrator for more information.

• Reset your Zyxel Device to change all settings back to their default. This means your current settings are lost. See Resetting the Zyxel Device to Its Factory Defaults in the Troubleshooting for information on resetting your Zyxel Device.

• Make sure you are using the correct IP address.

• The default IP address of the Zyxel Device is http://192.168.168.1.

• If you changed the IP address and have forgotten it, see the troubleshooting suggestions for I do not know the IP address of my Zyxel Device.

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

• Make sure your computer is in the same subnet as the Zyxel Device. (If you know that there are routers between your computer and the Zyxel Device, skip this step.)

• Reset the device to its factory defaults, and try to access the Zyxel Device with the default IP address. See Reset Button.

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

• Try to access the Zyxel Device using another service, such as Telnet. If you can access the Zyxel Device, check the remote management settings and firewall rules to find out why the Zyxel Device does not respond to HTTP.

• If your computer is connected to the WAN port or is connected wirelessly, use a computer that is connected to a LAN/ETHERNET port.

• This can happen when you fail to log out properly from your last session. Try logging in again after 5 minutes.

• Disconnect and re-connect the power adapter or cord to the Zyxel Device.

• If this does not work, you have to reset the device to its factory defaults. See Resetting the Zyxel Device to Its Factory Defaults.