ok i cracked my computer open which i have done many times before except this time i decided to take a looksy at my cpu so i took off the heat sink and lo and behold my cpu i took it out said "cool" and put it back in o yea and some white stuff was on the cpu and the heat sink (glue maybe) i didnt put ti there welll wen i put everything bak i booted my computer and my green led went on but nothing else started not even a soun no fans no hard drives nothin so plz plz plz help me