D-Link Air DWL-520 Manual page 35

Troubleshooting
2. I cannot connect to the access point or the wireless router.
Make sure that the SSID on the DWL-520 PCI adapter is exactly
the same as the SSID on the Access Point or wireless router.
Move the DWL-520 and Access Point or Wireless router into the
same room and then test the wireless connection.
Disable all security settings. (WEP, MAC Address Control, AES)
Make sure that the Radio is not locked down to a different
frequency
Turn off your Access Point and the computer with the DWL-520.
Turn on the Access Point, and then turn on the computer with the
DWL-520.
Refresh the DWL-520 Utility
3. The DWL-520 Power and Link lights are not on.
Check to see if the DWL-520 PCI adapter is firmly inserted into
the PCI slot of your computer.
4. I forgot my Encryption key.
Reset the Access Point to its factory default settings and restore the
DWL-520 Wireless PCI Adapter to the factory default settings. (The
default settings are listed in the Using the Configuration Utility
section in this manual.)
5. The computer does not recognize the DWL-520 PCI Adapter.
Make sure that the DWL-520 Wireless PCI Adapter is properly
seated in the computer's PCI slot.
If Windows does not detect the hardware upon insertion of the
adapter, make sure to completely remove drivers that were
previously loaded. To remove the drivers, do the following:
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