D-Link DWA-121 User Manual page 46

Section 5 - Troubleshooting
2. The computer does not recognize the DWA-121 Wireless N 150 Pico USB Adapter.
Make sure that the DWA-121 Wireless USB Adapter is properly seated in the computer's USB port. If Windows does not detect the hardware upon
insertion of the adapter, try a different port. Also, make sure to completely remove the drivers that were previously loaded.
3. The computer with the DWA-121 installed is unable to connect to the wireless network and/or the Internet.
• Check that the LED indicators for the broadband modem are indicating normal activity. If not, there may be a problem with the broadband
connection.
• Check that the LED indicators on the wireless router are functioning properly. If not, check that the AC power and Ethernet cables are
firmly connected.
• Check that the IP Address, subnet mask, gateway, and DNS settings are correctly obtained from your network. Confirm your wireless
key.
• In Infrastructure mode, make sure the same Service Set Identifier (SSID) is specified on the settings for the wireless clients and access
points. The SSID factory default setting for D-Link products is default. (Double-click on the WLAN icon in the taskbar. The Link Info
screen will display the SSID setting.)
D-Link DWA-121 User Manual 46