I have been buying parts over the last two weeks for my new computer i was building. Everything is new minus the hard drive, which i get a new one tomorrow.

I wanted to try hooking up my old hard drive to see if i could get everything up and running, but when i hit power, nothing comes up on the monitor.

Parts:
RADEON 9800PRO
1GB TWINX1024 Corsair RAM
P4/3.0CGHz
INTEL 875P D875PBZLK Motherboard
ANTEC TrueBLUE480 Power supply

All the case fans come on, the motherboard led lights up, the video card fan comes on. I get no beeps.

I was hoping nothing was bad besides maybe the hard drive, but even if it was bad, wouldnt something come on the screen?

Any help would be very much appreciated.