I've had problems...
With my Radion 9250-128Mb- in that it's not Vista or Win7 compatible,got to run in Vista and Build 7022 ,but not in 7000.Then when installing in Build 7044 by usual method off...Device Manager-browse and find disk software and install,with no problems or warnings.No problems till I Re-start,when after Boot load screen blacks out with just cursor visible,so Re- start with Win 7 disk,to use System Restore,but no points although there was two available prior?I could have moved cable to on-board graphics,but with cursor and Boot screen visible thought no point,may-be wrong though ?Not even trying to attempt on installed 7057.