thanks for reply: as far as red or green lights i dont see anything, i really dont have time to see anything as it shuts off right after the cpu fan kicks on. on one occasion i took the ram...

i have a 2003 hp running xp sp2 well i decided to vac. the dust out of it since its been a while. also it was getting real hot. the cpu fan just barely working. well when i put it back together and...