You can easily rollback driver to previous version follow the steps below:
At first remember that you have to Login as Administrator.
1) Go to Start
2) Select Control Panel
3) Select System and Maintenance
4) Select Device Manager
5) Expand the category containing the device in question by double clicking the category.
6) Double click
that contains the driver that you would like to rollback
7) Select the Driver tab
Select Roll Back Drive
Note: If the Roll Back Driver Button is not visible, then it means that there is no previous version for that device.