1. Download and install Driver Cleaner 3.2
2. Uninstall ALL ATI SOFTWARE from Control Panel Add/Remove Programs
3. Uninstall your Display Adaptor from Device Manager
4. Turn off PC and switch the cards out
5. Reboot INTO SAFE MODE
6. Run Driver Cleaner 3.2 and clean the ATI and then run Cab Cleaner
7. Run Regcleaner as well, do the automatic registry cleaner
8. Reboot into windows and download the newest Catalyst (4.7 I think) and install that package.
9. Download Radlinker, install and then reboot (just say no when Catalyst asks to reboot, do it all at once)
10. Overclock and most importantly, HAVE FUN!