I just recieved a new Seagate barracuda 1tb hdd from Seagate themselves after returning the original i bought. I've plugged the hdd in and tried to boo up the computer but am getting no response from my monitors, they remain black. Everything else seems to be working fans, cpu, gpu, pws. I tried to put my windows disk in and boot from it, but again...no response. Any help is appreciated.