Probably best to try a newer driver first.
Go to
http://ati.amd.com/support/driver.html & download the latest drivers.
You may have an uninstall link in the Start menu, in which case you should generally uninstall before installing the new drivers.
BTW, in answer to 'how to open the driver control centre?'
Normally if you right click on the desktop, you can either do Properties at the bottom or if its there at the top ATI Catalyst Control Centre.
The latter should at least be there after updating.
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