ZyXEL Communications AG-200 manual Problems Starting the ZyXEL Utility Program

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ZyXEL AG-200 User’s Guide

Chapter 5

Troubleshooting

This chapter covers potential problems and possible remedies. After each problem description, some instructions are provided to help you diagnose and solve the problem.

5.1Problems Starting the ZyXEL Utility Program

Table 5-1 Troubleshooting Starting ZyXEL Utility Program

PROBLEM

CORRECTIVE ACTION

 

 

Cannot start the ZyXEL

Make sure the ZyXEL AG-200 is properly plugged in your USB port and the

Wireless LAN Utility

LED(s) is on. Refer to the Quick Start Guide for LED descriptions.

 

Use the Device Manager to check for possible hardware conflicts.

 

Click Start, Settings, Control Panel, System, Hardware and Device

 

Manager. Verify the status of the ZyXEL AG-200 under Network Adapter.

 

(Steps may vary depending on the version of Windows).

 

Install the ZyXEL AG-200 in another computer.

 

If the error persists, you may have a hardware problem. In this case, you

 

should contact your local vendor.

5.2Problem with the Link Status

Table 5-2 Troubleshooting Link Quality

PROBLEM

CORRECTIVE ACTION

 

 

The link quality and/or signal

Search and connect to another AP with a better link quality using the Site

strength is poor all the time.

Survey screen.

 

Change the channel used by your AP.

 

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.

 

Relocate or reduce the radio interference.

 

 

Troubleshooting

5-1

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Contents ZyXEL AG-200 Copyright 2004 by ZyXEL Communications Corporation DisclaimerTrademarks Online Registration ZyXEL Limited WarrantyFCC Statement Customer Support Table of Contents ZyXEL AG-200 User’s Guide Syntax Conventions About This Users GuideRelated Documentation User Guide FeedbackGraphics Icons Key Page ZyXEL AG-200 Hardware and Utility Installation Using the ZyXEL Utility to Configure Your NetworkAbout Your ZyXEL AG-200 ZyXEL AG-200 User’s Guide Network Add ProfileZyXEL AG-200 User’s Guide ZyXEL AG-200 User’s Guide ZyXEL AG-200 User’s Guide Remove ApplyProperties Each page in Properties is explained below ZyXEL AG-200 User’s Guide ZyXEL AG-200 User’s Guide Security Mode ZyXEL AG-200 User’s Guide ZyXEL AG-200 User’s Guide ZyXEL AG-200 User’s Guide Site Survey RefreshStrong Scan Detail Info Add to profile ConnectLaunch at windows startup OptionsAuto Dhcp renewal Auto-Profile SelectionZyXEL AG-200 User’s Guide Getting Started Version Page Overview Wireless Network ApplicationSsid ChannelBSS Example Ad-Hoc IbssInfrastructure Network Example RoamingRoaming Example Wireless LAN SecurityData Encryption with WEP EAP AuthenticationIeee 3 WPAUser Authentication WPA-PSK Application ExampleEncryption WPA with Radius Application Example WPA-PSK AuthenticationRTS/CTS Threshold Fragmentation ThresholdRTS Threshold Authentication TypeZyXEL AG-200 User’s Guide Version Screen Chapter MaintenanceAbout Uninstalling the ZyXEL UtilityUpgrading the ZyXEL Utility Page Configuring WEP Configuring SecurityZyXEL AG-200 User’s Guide Configuring WPA-PSK Configuring WPA ConfiguringConfiguring 802.1x EAP-MD5 Configuring 802.1x EAP-PEAP Configuring 802.1x EAP-LEAPZyXEL AG-200 User’s Guide Configuring 802.1x EAP-TLS ZyXEL AG-200 User’s Guide Configuring 802.1x EAP-TTLS ZyXEL AG-200 User’s Guide Problem with the Link Status Problems Starting the ZyXEL Utility ProgramTroubleshooting Starting ZyXEL Utility Program Troubleshooting Link QualityTroubleshooting Communication Problems Problems Communicating With Other ComputersEAP-MD5 Message-Digest Algorithm EAP-TTLS Tunneled Transport Layer ServiceEAP-TLS Transport Layer Security Peap Protected EAPLeap Comparison of EAP Authentication Types
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