Originally posted by: Mem
Disable fastwrites in both BIOS and ATI Smartgart tab.I would also run Driver Cleaner 2
link and reinstall with latest 3.7 drivers.
Remember to follow the readme file in Driver Cleaner 2 .
You don`t say if this was a clean install of OS or did you`ve previous video drivers (like Nvidia ) on your system?
Disabling fastwrites and Smartgart may be a temporary solution,