My Hercules 9800 pro is overheating, the heatsink under the fan is really hot! is that normal? and there are strange blue blocks, and lines when i play my games! I don't know what to do, i took out my card and put my old one in and its fine! should i get a new fan? because when i spin the fan it doesn;t run freely, is that normal> anywayz any advice would be greatly appriciated!!!!!!!! plz help! 
