Neither Vista or XP often to retain old driver although you change to hardware. These old drivers can cause conflict or making your system behave erratically. These old drivers are sometimes hidden making it hard for us to solve the driver problem.
I will show you how to find these old driver in your Vista or XP.
We can display non-present device by adding an enviroment variable DEVMGR_SHOW_NONPRESENT_DEVICES to the Environment Variables dialog box. Put the value 1.
Then open the device manager. Open the various branches in the Device Manager tree.
On the View tab, select Show Hidden Device.
You will find device icon that appear faded. Just right click the faded device icon and select uninstalled.
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