Option 1: Backup Your System Using System Restore
System Restore works a lot like the Undo command in Microsoft Word. You can use System Restore to return to your previous driver version if you create a restore point prior to installing the driver. System Restore does not affect your personal data files (such as Microsoft Word documents, browsing history, drawings, favorites, or email) so you won't lose changes made to these files after the restore point is created.
Windows XP steps to create a restore point (before installing the new driver):
Windows Vista or Windows 7 steps to create a restore point (before installing the new driver):
Option 2: Roll Back To Your Previous Driver
If you install the newer driver without first uninstalling the previous version, you may be able to simply roll back your driver to the previous version using these steps:
Windows XP steps to roll back your driver: