hi Mel,
don't want to be a wise guy...
you need to remove the hardware both
physically and logically.
find My Computer icon on your desktop screen
right click once, menu pops up, left click on Properties
Left click on Hardware heading,
then left click on Device Manager.
you should see one or more items with red mark
right click on it and you will get menu
click on Uninstall
that should fix you the problem.
73 james