3 accessing the zyxel utility, 4 link quality, 5 problems communicating with other computers – ZyXEL Communications NWD-270N User Manual
Page 46: Accessing the zyxel utility, Link quality, Problems communicating with other computers

Chapter 4 Troubleshooting
NWD-270N User’s Guide
46
4.3 Accessing the ZyXEL Utility
V
I cannot access the ZyXEL Utility
1 Make sure the NWD-270N is properly inserted and the LEDs are on.
2 Install the NWD-270N on another computer.
3 If the error persists, you may have a hardware problem. In this case, you should contact
your vendor.
4.4 Link Quality
V
The link quality and/or signal strength is poor.
1 Scan for and connect to another AP with a better link quality using the Site Survey
screen.
2 Move your computer closer to the AP or the peer computer(s) within the transmission
range.
3 There may be too much radio interference (for example from a microwave oven, or
another AP using the same channel) around your wireless network. Lower the output
power of each AP.
4 Make sure there are not too many wireless stations connected to a wireless network.
4.5 Problems Communicating with Other Computers
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The computer with the NWD-270N installed cannot communicate with the
other computer(s).
In Infrastructure Mode
• Make sure that the AP and the associated computers are turned on and working properly.
• Make sure the NWD-270N computer and the associated AP use the same SSID.
• Change the AP and the associated wireless clients to use another radio channel if
interference is high.
• Make sure that the computer and the AP share the same security option and key. Verify
the settings in the Profile Security Setting screen.