first of all click here and download the latest driver and control panel,3.4 is the latest.
next remove the ati control panel via add remove programs first(but do not reboot)
next remove the driver via add remove programs and restart.
windows will now detect the card and promp you to install the driver.
click cancel twice(it will detect primary and secondary)
then install the driver you downloaded first
restart and install the control panel and restart again and your done.