I have an ATi Radeon 9550 graphics card, but only install the basic ATi driver.
In place of the Catalyst drivers I use the far smaller, but equally as efficient and configurable ATi Tray Tools. See:
What is ransomware and how do I protect my PC from WannaCry?
What I learned from my mentor, Oscar-winning VFX supervisor Phil Tippett
Siri vs Google Assistant
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