I have a RADEON X800RX Graphics Card also known as RADEON X800GT - i downloaded the Drivers aswell as the ATI Catalyst Control Center and the Aero theme still is not applied. When Windows boots in i see the TaskBar is Green Aero - and DWM is enabled but then it gets disabled straight away on bootup. I did the Registry Tweaks thats lurking about on the internet but still not working.

Here is my Windows Experience Ratings Index

SystemBase Score 4.0

Processor Rating 4.0
Memory RA...