Netgear WN121T WN121T User Manual - Page 47

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. The access point is available and there is good signal strength. • If the access point is WPA-PSK protected, you need the correct WPA-PSK passphrase. Otherwise, the WN121T will 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