NETGEAR WG121 user manual Troubleshooting, Basic Tips

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

Troubleshooting

Use the information below to solve common problems you may encounter. Also, please refer to the knowledge base on the NETGEAR web site at www.netgear.com/support/main.asp.

Also, for problems with accessing network resources, the Windows software might not be installed and configured properly on your computers. Please refer to Appendix C, “Preparing Your PCs for Network Access” .

Basic Tips

If you have problems connected to your wireless network, try the tips below.

	Symptom	Cause	Solution
	The PC Card	The WG121 is not	Remove and reinsert the WG121.
	LEDs are not lit.	inserted into the	Check the Windows device manager to see if the PC
		slot properly or	Card is recognized and enabled. Reload the WG121
		the WG121	software, if necessary.
		software is not	Try to install the WG121 in a different slot on your
		loaded.	Try to install the WG121 in a different slot on your
		loaded.	system if one is available.
			system if one is available.

	The LEDs blink	The WG121 is	The access point may not be powered on. Or, the
	alternately and	attempting to	access point and the PC card are not configured with
	cannot connect	connect to an	the same wireless parameters. Check the SSID and
	to an access	access point, but	WEP settings.
	point.	cannot connect.

	I can connect to	This could be a	Check to make sure that the access point is physically
	an access point,	physical layer	connected to the Ethernet network.
	but I cannot	problem or a	Make sure that the IP addresses and the Windows
	connect to other	network	Make sure that the IP addresses and the Windows
	connect to other	network	networking parameters are all configured correctly.
	computers on	configuration	networking parameters are all configured correctly.
	computers on	configuration	Restart the cable or DSL modem, router, access point,
	the network or	problem.	Restart the cable or DSL modem, router, access point,
	the Internet.		and notebook PC.

3-14	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 Chapter About This Manual Audience, Scope, ConventionsHow to Use this Manual Html version of this manualHow to Print this Manual About This Manual Chapter Introduction About the Netgear 54 Mbps Wireless USB 2.0 Adapter WG121Key Features and Related Netgear Products 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 Verifying System Requirements Chapter Basic SetupWhat You Need Before You Begin Two Basic Operating Modes Observing Location and Range GuidelinesWG121 Default Wireless Configuration Settings Install the WG121 driver and configuration utility software Basic Installation InstructionsFor Windows XP Users Installing a WG121 Install the Netgear 54 Mbps Wireless USB 2.0 Adapter WG121 Configure your WG121 Verify wireless connectivity to your network LED DescriptionsFor Windows 2000 & 98/Me Users Installing a WG121 Click Install Driver & UtilityFound New Hardware Wizard WG121 System Tray Icon Configure your WG121 and save ProfileVerify wireless connectivity to your network WG121 Wireless Connection Indicators Interpreting the LED on the WG121Interpreting System Tray Icon Colors Color Condition DescriptionTroubleshooting Basic TipsTroubleshooting Frequently Asked Questions Click Windows XP Hotfix SP2 Q815485, and then click RemoveBasic Setup Basic Setup Basic Setup Using Configuration Profiles Chapter ConfigurationUnderstanding the Configuration Options Run the WG121 Configuration Utility Connecting to an Access Point in Infrastructure ModeHow to Configure an Infrastructure Mode Profile Configure the wireless Network settingsConnecting to Another PC in Ad-hoc Mode How to Configure an Ad-hoc Mode ProfileConfigure the PC network settings Windows Run program dialog boxPing test results Enabling Wireless Security Features How to Start a Computer-to-Computer Ad-Hoc NetworkHow to Configure WEP Encryption Security Configure the Security settingsSave your settings in a Profile Advanced Settings StatisticsConfiguration Appendix a Technical Specifications FCC, CETechnical Specifications Infrastructure Mode Appendix B Wireless Networking BasicsWireless Networking Overview Network Name Extended Service Set Identification Essid Authentication and WEPAd Hoc Mode Peer-to-Peer Workgroup Authentication Open System AuthenticationAuthentication Open System Steps Authentication Shared Key Steps Do Not Use WEPWEP Configuration Options Key SizeWireless Channels Radio frequency channels used are listed in Table Install or Verify Windows Networking Components Appendix C Preparing Your PCs for Network AccessConfiguring Windows 98 and Me for TCP/IP Networking Preparing Your Computers for TCP/IP NetworkingPreparing Your PCs for Network Access Choose Settings, and then Control Panel Locate your Network Neighborhood iconPrimary Network Logon is set to Windows logon Selecting Windows’ Internet Access Method Verifying TCP/IP PropertiesConfiguring Windows 2000 or XP for TCP/IP Networking Dhcp Configuration of TCP/IP in Windows XP or Dhcp Configuration of TCP/IP in Windows XPTCP/IP details are presented on Support tab Right click on Local Area Connection and select Properties Dhcp Configuration of TCP/IP in WindowsVerify that Obtain an IP address 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 Index Numerics