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ZyXEL Communications G-162 4.2Uninstalling the ZyXEL Utility, 4.3Upgrading the ZyXEL Utility, Step, Step, Step, Step, Step, Step, Step, Step, Start, ZyXEL, G-162, About, Finish, Programs

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ZyXEL G-162 User’s Guide

4.2Uninstalling the ZyXEL Utility

Follow the steps below to remove (or uninstall) the ZyXEL Utility from your computer. Step 1. Click Start, Programs, ZyXEL G-162 Wireless Adapter, Uninstall. Step 2. When prompted, click OK to remove the driver and the utility software.

Figure 4-2 Confirm Uninstall

Step 3. Click Finish to complete uninstalling the software. Restart your computer if prompted.

4.3Upgrading the ZyXEL Utility

Before you uninstall the ZyXEL Utility, take note of the current networkconfiguration.

To perform the upgrade, follow the steps below.

Step 1. Download the latest version of the utility from the ZyXEL web site and save the file on your computer.

Step 2. Follow the steps in Section 4.2 to remove the current ZyXEL Utility from your computer. Step 3. Restart your computer when prompted.

Step 4. After restarting, refer to the procedure in the Quick Start Guide to install the new utility.

Step 5. Check the version numbers in the About screen to make sure the new utility is installed properly.

4-2	Maintenance

Contents

Page Copyright ZyXEL Limited Warranty Information for Canadian Users Federal Communications Commission (FCC) Interference Statement1 Customer Support Page Page Table of Contents Appendix B Types of EAP Authentication List of Figures List of Tables Preface Graphics Icons Key Getting Started 1.1About Your ZyXEL G-162 1.2ZyXEL G-162Hardware and Utility Installation 1.3Ways to Configure the ZyXEL G-162 1.4Disable Windows XP Wireless LAN Configuration Tool Figure 1-2Windows XP: Wireless Network Connection Status Properties Wireless Networks Page 1.5Accessing the ZyXEL Utility Table 1-1ZyXEL Utility: System Tray Icon Click the icon (located in the top right corner) to display the on-linehelp window Wireless LAN Network 2.1Overview 2.1.1SSID 2.1.2 Channel 2.1.3 Transmission Rate (Transfer Rate) 2.1.4 Wireless Network Application 2.1.5 Roaming 2.2Wireless LAN Security 2.2.1 Data Encryption with WEP 2.2.2 IEEE 2.2.3 WPA 2.2.4 WPA-PSKApplication Example 2.2.5 WPA with RADIUS Application Example 2.3Fragmentation Threshold 2.4RTS/CTS Threshold Figure 2-8RTS Threshold 2.5Authentication Type Using the ZyXEL Utility 3.1The Link Info Screen Table 3-1Link Info 3.1.1 Trend Chart 3.2The Site Survey Screen Figure 3-3Site Survey Table 3-3Site Survey 3.2.1 Connecting to a Network 3.2.2 Security Settings The values for the WEP keys must be set up exactly the same on all wireless devices in the same wireless LAN ASCII WEP keys are case sensitive WPA-PSK Figure 3-5Site Survey: Security Settings: WPA-PSK Table 3-5Site Survey: Security Settings: WPA-PSK WPA Figure 3-6Site Survey: Security Settings: WPA Table 3-6Site Survey: Security Settings: WPA obtain the certificate(s) from a certificate authority (CA) Consult your network administrator for more information Figure 3-7Site Survey: Security Settings: Table 3-7Site Survey: Security Settings: You must first have a wired connection to a network and 3.3The Profile Screen Figure 3-8Profile Table 3-8Profile 3.3.1 Adding a New Profile Figure 3-9Profile: Add New Profile Table 3-9Profile: Add New Profile Page Figure 3-10Profile: Select a Channel Table 3-10Profile: Select a Channel WEP WPA-PSK WPA Figure 3-11Profile: Wireless Settings Figure 3-12Profile: Security Settings Save Back Exit Page 3.4The Adapter Screen Figure 3-15Adapter Table 3-11Adapter Page Page Maintenance 4.1The About Screen 4.2Uninstalling the ZyXEL Utility 4.3Upgrading the ZyXEL Utility Troubleshooting 5.1Problems Starting the ZyXEL Utility Program 5.2Problem with the Link Status 5.3Problems Communicating With Other Computers Appendix A Product Specifications Page Appendix B Types of EAP Authentication LEAP Comparison of EAP Authentication Types Appendix C Index