hey all.. heres whats wrong with this comp that came in today...

its a little itty bitty hp celeron 700 w/ 128 mb of ram, and the stupid thing will not post...

it will power up, i can hear the hd come on and can see the cpu fan doin its thang, but it will not post!!

ive taken out the ram, reseated it, tried a diff psu, no dice, took the cpu out and put it back in, taken the modem and nic out, taken the hd and the floppy out, and still nothing...

any ideas????