hi, i'm rajib from west bengal, i've a toshiba internal hard disk surveillance the details are MD03ACA200V, part no.-HDETQ02GZA51 & sl. no. 3651K11TFOBA,it's showing on bios and device manager. but it's not working.also not showing on disk management.please help me what can i do,so that i can use it,it's absolutely urgent for me,because all business data are hare.kindly attention my request.