Bluetooth connection for laptop Vista

I have a Bluetooth adapter connected to my laptop. When I click on the Bluetooth icon and add a device, the computer detects and recognizes my Bluetooth headset, but when I click on 'connect', I get a window titled BtwApplExt, with the error message, "the parameter is incorrect." Nothing that I've done has changed this result. How to fix the 'parameter' for my Bluetooth headset?

Hello tangler.

Welcome to the Microsoft Answers Forum!

You will get this error the driver for your Bluetooth device is not updated.
Go to the site of the factory and check if there is an update for your Blue Tooth device.

If this does not work, you can try to uninstall and reinstall the driver on your computer.  Here are the steps to uninstall and reinstall the driver:

Uninstall a device:

To uninstall a device with Device Manager:

1. launch Device Manager.

2. in the left pane of Device Manager, open the node that represents the type of device you want to uninstall, and then right click on the input of the unit.

3. in the context menu, click on uninstall.

4. in the dialog box confirm the device removal, click OK to start the uninstall process.

5. when the uninstall is complete, unplug the device.

If you have a Broadcom Blue tooth device, I found an update on the Broadcoms site you can try:

http://www.Broadcom.com/support/Bluetooth/update.php

Try these steps and let us know if it works.

Thank you
Irfan H, Engineer Support Microsoft Answers. Visit our Microsoft answers feedback Forum and let us know what you think.

Tags: Windows

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