drcp

Hi, i am having seagate Baracuda 7200.12 HDD ST3500413AS FW JC45 PCB 100535704 REV B this hdd is not getting detected in bios. i tried to clean contacts but no use. nothing found any burn on PCB. while power on PC no any think happenes like vibrations of motor(motor not starting) what might be problem. seems PCB problem. How to dignose?Please guide.