NETGEAR WN121T user manual Chapter Troubleshooting, Troubleshooting Tips

Chapter 4

Troubleshooting

This chapter provides information about troubleshooting your Wireless USB 2.0 Adapter. After each problem description, instructions are given to help you diagnose and solve the problem. For information about connecting to wireless networks and the Internet, see “Connecting to Wireless Networks and the Internet” in Chapter 1.

Troubleshooting Tips

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

Table 4-1. Troubleshooting Tips

Problem	Action
I cannot connect to an access point.	• If the access point is WPA-PSK protected, you need the
The access point is available and there is	correct WPA-PSK passphrase. Otherwise, the WN121T will
good signal strength.	still be connected to the previous access point and you will
	not be able to change to the WPA-PSK access point.
	• If the access point is WEP protected (either 64 or 128 bit
	encryption), you will be prompted to enter the WEP
	encryption security information.
How to maximize throughput.	• Make sure the VPN firewall is connected to a USB port v2.0.
	If connected to a v1.1 USB port it is limited to
	• For best performance connect to high-speed network
	equipment. See Chapter 3, “Wireless Network Performance”
	for help in understanding how to get the best performance
	from your VPN firewall.
The Smart Wizard keeps asking me to save	If you change the settings the Smart Wizard offers you the
settings.	chance to save the changes. To avoid this prompt, simply click
	Apply before you close the Smart Wizard.
Two WN121T icons are in the system tray.	You have an older software version installed on your system
	and it needs to be removed. See “Removing the Software” in
	Chapter 1or “Upgrading the Wireless USB 2.0 Adapter
	Software” in Chapter 1.

4-1

v2.0, February 2007