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ZyXEL NWD2705 User Guide - Page 51

Maintenance

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CHAPTER 5 Maintenance 5.1 Overview This section describes how to uninstall or upgrade the ZyXEL utility. 5.1.1 What You Can Do in This Section • Learn which version of the ZyXEL utility and device driver you're currently using. See Section 5.2 on page 52 for details. • Remove the ZyXEL utility from your computer. See Section 5.3 on page 52 for details. • Upgrade the ZyXEL utility. See Section 5.4 on page 53 for details. 5.1.2 What You Need to Know The following term may help as you read through this section. Device driver A system file that lets other programs interact with a piece of hardware, or "device." You should never try to locate and install or uninstall device drivers yourself since they are modifications to an operating system at the core (or "kernel") level. Doing so could irreparably damage your installation. 5.1.3 Before You Begin • Disconnect the NWD2705 if you are going to uninstall or upgrade the ZyXEL utility, save your work in any other open programs, and then close them. NWD2705 User's Guide 51

Section	Page
NWD2705	1
Contents Overview	3
Table of Contents	5
Introduction and Configuration	9
Getting Started	11
1.1 Overview	11
1.1.1 What You Need to Know	11
1.1.2 Before You Begin	11
1.2 About Your NWD2705	12
1.2.1 Hardware	12
1.3 Application Overview	13
1.3.1 Infrastructure	13
1.4 Hardware and Utility Installation	13
1.4.1 ZyXEL Utility Icon	13
1.5 Configuration Methods	14
1.5.1 Enabling Windows Wireless Configuration	14
1.5.2 Accessing the ZyXEL Utility	15
Tutorial	16
2.1 Overview	16
2.1.1 What You Can Do in This Tutorial	16
2.1.2 What You Need to Know	16
2.1.3 Before You Begin	16
2.2 Connecting to an AP using Wi-Fi Protected Setup (WPS)	17
2.2.1 Push Button Configuration (PBC)	17
2.2.2 PIN Configuration	18
2.3 Connecting to an AP Without Using WPS	20
2.3.1 Manually Connecting to a Wireless LAN	20
2.3.2 Creating and Using a Profile	22
Wireless LANs	25
3.1 Overview	25
3.1.1 What You Can Do in This Section	25
3.1.2 What You Need to Know	25
3.1.3 Before You Begin	25
3.2 Wireless LAN Overview	26
3.3 Wireless LAN Security	26
3.3.1 WEP	27
3.3.2 WPA-PSK and WPA2-PSK	27
3.4 Wi-Fi Protected Setup	28
3.4.1 Push Button Configuration	28
3.4.2 PIN Configuration	29
3.4.3 How WPS Works	30
3.4.4 Limitations of WPS	33
ZyXEL Utility: Station Mode	35
4.1 Overview	35
4.1.1 What You Can Do in This Section	35
4.1.2 What You Need to Know	35
4.1.3 Before You Begin	36
4.2 ZyXEL Utility Screen Summary	36
4.3 The Link Info Screen	37
4.3.1 Trend Chart	38
4.4 The Site Survey Screen	39
4.4.1 Security Settings	40
4.4.2 Summary Screen	43
4.5 The Profile Screen	43
4.5.1 Adding a New Profile	45
4.6 The Adapter Screen	48
4.6.1 WPS: PBC (Push Button Configuration)	49
4.6.2 WPS: PIN - Use this Device’s PIN	49
4.6.3 WPS: PIN - Use the PIN from the AP or Wireless Router	50
Maintenance	51
5.1 Overview	51
5.1.1 What You Can Do in This Section	51
5.1.2 What You Need to Know	51
5.1.3 Before You Begin	51
5.2 The About Screen	52
5.3 Uninstalling the ZyXEL Utility	52
5.4 Upgrading the ZyXEL Utility	53
Troubleshooting	55
Troubleshooting	57
6.1 Power, Hardware Connections, and LEDs	57
6.2 Accessing the ZyXEL Utility	58
6.3 Link Quality	58
6.4 Problems Communicating with Other Computers	58
Legal Information	61