Owner's Manual 5 GHz Wireless PCI Adapter DWL-A520

Troubleshooting (continued)

2. The computer does not recognize the DWL-A520 802.11a Wireless

PCI Adapter.

• Make sure that the DWL-A520 Wireless PCI Adapter is properly

seated in the computer’s PCI slot.

• Check that the DWL-A520 is installed in a 32-bit PCI 2.2 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:

A. Under Tools> select Folder Options…> select View >

under Hidden files and folders > select Show hidden

files and folders

B. Uncheck Hide extension for known file types > click on

Apply

C. Search for the files NetA3x.inf and A3ax.sys. Remove

these files from the INF and SYSTEM32 (DRIVERS) folders

in the Windows directory. Note: Windows XP and Windows

2000 will rename .inf files that have not received

certification into oem.inf files (e.g., oem1.inf.)

3. The DWL-A520 802.11a Wireless PCI Adapter does not work properly

after the driver is installed.

• Restart the computer. (In some cases, it will be necessary to restart

the computer after installing the drivers.)

• In Windows XP, go to Start>Control Panel>System>Hardware

Tab> click on the Device Manager Tab> click on Network

Adapters> double click on D-Link AirPro DWL-A520 Wireless PCI

Adapter> make sure that “This device is working properly” is

displayed under Device Status under the General Tab. (Please refer

to Checking the Installation of the Drivers for the Wireless

Adapter in the Troubleshooting section on the previous page of this

manual for more information.)

• If the device is not working properly and a yellow exclamation mark is

displayed, then there is probably a resource conflict. First, try

inserting the card into a different PCI slot. If there is still a problem,

make sure the computer system has a free IRQ and if necessary,