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What do I do if I get error message Valid security code not found. or Your Bluetooth Software license does not include use with this Bluetooth device [6] after installing the Bluetooth software?

Note: This FAQ only applies to DBT-120 revision B4 units with a MAC Address that starts with 0011 or 0013.

Step 1 Physically remove the DBT-120 rev B4 from your computers USB port.

Step 2 Uninstall the current software for the DBT-120 in Add/Remove Programs.

Step 3 Click here to download an updated driver.

Step 4 Remove inactive Bluetooth devices from the Device Manager.

Show Hidden Devices
A. Click Start > All Programs > Accessories and then click Command Prompt.
B. Type set devmgr_show_nonpresent_devices=1 in the Command Prompt and then press Enter.
C. Type cd \Windows\system32 in the Command Prompt and then press Enter.
D. Type start devmgmt.msc in the Command Prompt and then press Enter.
E. Click View > Show hidden devices. This will display devices that are not connected to your computer.
F. When you are finished troubleshooting, close the Device Manager.
G. Type exit in the Command Prompt

The above instructions can be found at http://support.microsoft.com/?id=315539.

Note: During Step E you will need to go into the different ports and delete all the grayed out Bluetooth devices.

Step 5 Remove all Bluetooth Devices.

Step 6 Reboot your computer.

Step 7 Execute the Inst.exe file from the version 3.5 drivers that were downloaded in Step 3.

Step 8 Towards the end of the installation you will receive an error stating that no bluetooth device is present, select the cancel option and the software will continue installing.

Step 9 Once the installation has finished, insert your DBT-120 rev B4 into your USB port and wait for windows to install the generic drivers.

Step 10 Force the D-Link driver to replace the Generic Bluetooth drivers.
  • Right click on your My Computer icon and select properties.
  • Select the Hardware tab and open the Device Manager.
  • Click on the plus sign next to Bluetooth Radios and right-click on the Generic Bluetooth driver.
  • Select Update Driver
  • Once the wizard has opened you will be prompted to have Windows check online for updates, Select No, not at this time

Step 11 Select Install from a list or specific location (Advanced) and then lick Next.

Step 12 Select Don�t search. I will choose the driver to install and then click Next.

Step 13 Select the D-Link DBT-120 driver and then click Next.

Step 14 Once the driver files have been successfully copied, Click Finish.

After the driver update double-click Bluetooth Places. This will begin a wizard that will walk you through the setup of your Bluetooth devices.

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