NETGEAR WG121 user manual Troubleshooting Frequently Asked Questions

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User Manual for the NETGEAR 54 Mbps Wireless USB 2.0 Adapter WG121

Note: As of the date of publication of this manual, the Windows XP HotFix #Q815485 can prevent wireless adapters from connecting to the Internet and prevent wireless adapters from reloading a working configuration after a restart of the computer. To see if HotFix #Q815485 is installed, look in Add Remove Programs from the Windows Control Panel. If installed, remove it. Future updates to the Windows XP operating systems may correct this problem.

Troubleshooting Frequently Asked Questions

1.Symptom: (XP Professional and XP Home user only) Some WG121 XP users will experience inability to connect to the Internet, dropped wireless connections, or both after applying the Windows HotFix #Q815485 from the Windows XP Update Service.

Solution: You can delete the Q815485 from the "Add or Remove Program" utility in the Control Panel. (The Official name is "Windows XP Hotfix (SP2) Q815485")

Removal procedure:

a. Click Start, point to Control Panel, and then double-click

Add/Remove Programs.

b.Click Windows XP Hotfix (SP2) Q815485, and then click Remove.

c.You may receive an error message that states that some program on the computer may not work correctly if the update is removed.

d.You may ignore this error message, and then click Yes to remove the update.

e.Restart your computer and rerun the Smart Display Setup Wizard.

This should solve your connection issue.

You can restore this hotfix by following the link below:

URL: http://microsoft.com/downloads/ details.aspx?FamilyId=009D8425-CE2B-47A4-ABEC-274845DC9E91&display lang=en

2.Question: The product literature says the WG121 can operate at 54 Mbps. Why do I see no more than 11 Mbps speed on my WG121 Smart Configuration Utility status line?

Answer: If you are connecting to an 802.11b network, the maximum 802.11b speed is 11 Mbps.

Basic Setup

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Contents NETGEAR, Inc Technical Support FCC Information to User Export Restrictions Requirements For Operation in the European Community Page Vii Viii Contents Appendix C Preparing Your PCs for Network Access Glossary Index Xii Contents Audience, Scope, Conventions Chapter About This ManualHtml version of this manual How to Use this ManualHow to Print this Manual About This Manual About the Netgear 54 Mbps Wireless USB 2.0 Adapter WG121 Key Features and Related Netgear ProductsChapter Introduction What’s in the Box? Road Map for ‘How to Get There From Here’ Road Map for How to Get There From Here Netgear 54 Mbps Exchange files Use printers Introduction Chapter Basic Setup What You Need Before You BeginVerifying System Requirements Observing Location and Range Guidelines Two Basic Operating ModesWG121 Default Wireless Configuration Settings Basic Installation Instructions For Windows XP Users Installing a WG121Install the WG121 driver and configuration utility software Install the Netgear 54 Mbps Wireless USB 2.0 Adapter WG121 Configure your WG121 LED Descriptions Verify wireless connectivity to your networkClick Install Driver & Utility For Windows 2000 & 98/Me Users Installing a WG121Found New Hardware Wizard WG121 System Tray Icon Profile Configure your WG121 and saveVerify wireless connectivity to your network Interpreting the LED on the WG121 WG121 Wireless Connection IndicatorsColor Condition Description Interpreting System Tray Icon ColorsBasic Tips TroubleshootingClick Windows XP Hotfix SP2 Q815485, and then click Remove Troubleshooting Frequently Asked QuestionsBasic Setup Basic Setup Basic Setup Chapter Configuration Understanding the Configuration OptionsUsing Configuration Profiles Configure the wireless Network settings Connecting to an Access Point in Infrastructure ModeHow to Configure an Infrastructure Mode Profile Run the WG121 Configuration UtilityHow to Configure an Ad-hoc Mode Profile Connecting to Another PC in Ad-hoc ModeWindows Run program dialog box Configure the PC network settingsPing test results How to Start a Computer-to-Computer Ad-Hoc Network Enabling Wireless Security FeaturesConfigure the Security settings How to Configure WEP Encryption SecuritySave your settings in a Profile Statistics Advanced SettingsConfiguration FCC, CE Appendix a Technical SpecificationsTechnical Specifications Appendix B Wireless Networking Basics Wireless Networking OverviewInfrastructure Mode Authentication and WEP Ad Hoc Mode Peer-to-Peer WorkgroupNetwork Name Extended Service Set Identification Essid Open System Authentication AuthenticationAuthentication Open System Steps Do Not Use WEP Authentication Shared Key StepsKey Size WEP Configuration OptionsWireless Channels Radio frequency channels used are listed in Table Preparing Your Computers for TCP/IP Networking Appendix C Preparing Your PCs for Network AccessConfiguring Windows 98 and Me for TCP/IP Networking Install or Verify Windows Networking ComponentsPreparing Your PCs for Network Access Locate your Network Neighborhood icon Choose Settings, and then Control PanelPrimary Network Logon is set to Windows logon Verifying TCP/IP Properties Selecting Windows’ Internet Access MethodConfiguring Windows 2000 or XP for TCP/IP Networking Dhcp Configuration of TCP/IP in Windows XP Dhcp Configuration of TCP/IP in Windows XP orTCP/IP details are presented on Support tab Dhcp Configuration of TCP/IP in Windows Verify that Obtain an IP addressRight click on Local Area Connection and select Properties Obtain an IP address automatically is selected Verifying TCP/IP Properties for Windows XP or Preparing Your PCs for Network Access Glossary DSL Internet service provider Ssid Wins Glossary Numerics Index