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ZyXEL Communications G-170S Maintenance, 4.1 The About Screen, 4.2 Uninstalling the ZyXEL Utility, Yes, About, 1Click Start, Programs, ZyXEL G-170SUtility, Uninstall ZyXEL G-170SUtility

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ZyXEL G-170S User’s Guide

CHAPTER 4

Maintenance

This chapter describes how to uninstall or upgrade the ZyXEL utility.

4.1 The About Screen

The About screen displays related version numbers of the G-170S. To display the screen as shown below, click the about () button.

Figure 29 About

The following table describes the read-only fields in this screen.

Table 15 About

LABEL	DESCRIPTION

Driver Version	This field displays the version number of the G-170S driver.

Utility Version	This field displays the version number of the ZyXEL utility.

4.2 Uninstalling the ZyXEL Utility

Follow the steps below to remove (or uninstall) the ZyXEL utility from your computer.

1Click Start, Programs, ZyXEL G-170S Utility, Uninstall ZyXEL G-170S Utility.

2When prompted, click OK or Yes to remove the driver and the utility software.

Chapter 4 Maintenance

Contents

User’s Guide Page Copyright Disclaimer Trademarks Federal Communications Commission (FCC) Interference Statement Notice Caution Certifications ZyXEL Limited Warranty Note Online Registration Customer Support Page Table of Contents ZyXEL Utility Configuration Maintenance Troubleshooting Appendix A Product Specifications Page Page List of Figures Page List of Tables Page Preface About This User's Guide Related Documentation User Guide Feedback Syntax Conventions Graphics Icons Key Getting Started 1.1 About Your G-170S 1.1.1Application Overview 1.1.1.1 Infrastructure 1.1.1.2 Ad-Hoc 1.2 G-170SHardware and Utility Installation 1.3 Configuration Methods 1.4 Windows XP Users Only 1.5 Accessing the ZyXEL Utility 1.6 ZyXEL Utility Screen Summary 1.7 Connecting to a Wireless LAN 1.7.1 Site Survey Security Settings Link Info Page Page Wireless LAN Network 2.1 Wireless LAN Overview 2.1.1 SSID 2.1.2 Channel 2.1.3 Transmission Rate (Tx Rate) 2.2 Wireless LAN Security Overview 2.2.1 Data Encryption with WEP 2.2.2IEEE 2.2.2.1 EAP Authentication 2.2.3 WPA(2) 2.2.3.1 Encryption 2.2.3.2 User Authentication 2.2.4 WPA(2)-PSKApplication Example 2.2.5 WPA(2) with RADIUS Application Example 2.3 Authentication Type 2.4 Preamble Type ZyXEL Utility Configuration 3.1 The Link Info Screen 3.1.1 Trend Chart 3.2 The Site Survey Screen 3.2.1 Connecting to a WLAN Network 3.2.2Security Settings 3.2.2.1 WEP Encryption 3.2.2.2 WPA/WPA2 3.2.2.3 WPA-PSK/WPA2-PSK 3.2.2.4 IEEE 3.2.3 Confirm Save Screen 3.3 The Profile Screen 3.3.1 Adding a New Profile Page Ad-Hoc WPA WPA2 WPA-PSK WPA2-PSK DISABLE Save Activate Now Activate Later 3.4 The Adapter Screen Page Page Maintenance 4.1 The About Screen 4.2 Uninstalling the ZyXEL Utility 4.3 Upgrading the ZyXEL Utility Page Page Troubleshooting 5.1 Problems Starting the ZyXEL Utility 5.2 Problem with the Link Quality 5.3 Problems Communicating With Other Computers APPENDIX A Page Activating Wireless Zero Configuration Connecting to a Wireless Network Properties Wireless Networks Wireless Network Connection Properties Refresh network list Refresh Available networks Configure Preferred Wireless Network Connection Security Settings Association Authentication Authentication Properties Smart Card or other Certificate Properties Ordering the Preferred Networks Wireless Networks Move up Move down Remove Page EAP-MD5 (Message-DigestAlgorithm 5) EAP-TLS(Transport Layer Security) EAP-TTLS(Tunneled Transport Layer Service) PEAP (Protected EAP) LEAP Dynamic WEP Key Exchange WPA(2) Encryption User Authentication WPA(2)-PSKApplication Example WPA(2) with RADIUS Application Example Security Parameters Summary Numerics Index