tama sinabi ni Aoshinomori.check your bios kung detected pa ba yung HDD or SSD mo.if not, u need to re i.n.s.e.r.t your hard drive.if wala parin u need to replace HDD or SSD.then reinstall OS via USB bootable.kung di mo kayang gawin mga sinabi ko, iparepair mo na lang sa marunong.