ZyXEL Communications NWD-270N Network Card User Manual


 
Chapter 4 Troubleshooting
NWD-270N User’s Guide
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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
V 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.