Hi I have a intel p4 2.4 ghz that i bought in a complete system. The cpu is 2.4 ghz but is currently on 1.8 ghz. I know how to change the fsb or sumthing like that, but when i set my computer to 2.4 ghz, i hear the computer start but its just a black screen??? Any ideas. I wont to get the most out of my pc. Thanks for looking.