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G-470 User’s Guide
76 Chapter 8 Troubleshooting
8.3 Problem with the Wireless Link Quality
8.4 Problems Communicating With Other Computers
Table 20 Troubleshooting Link Quality
PROBLEM CORRECTIVE ACTION
The link quality
and/or signal
strength is poor all
the time.
Search and connect to another AP with a better link quality using the Site Survey
screen.
Move your computer closer to the AP or the peer computer(s) within the
transmission range.
There may be too much radio interference (for example microwave or another AP
using the same channel) around your wireless network. Lower the output power of
each AP.
Make sure there are not too many wireless stations connected to a wireless
network.
Table 21 Troubleshooting the Ethernet Interface
PROBLEM CORRECTIVE ACTION
The computer with
the ZyXEL Device
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 ZyXEL Device 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 Settings screen.
• If you are using WPA(2) or WPA(2)-PSK security, try changing your
encryption type from TKIP to AES or vice versa.