Original post by: Handharbeni Prasetyo ,
hi, i have this problem too, i have 821-1492-01 cable, and i used ssd since 2 years ago, and was ok, but 3 days ago i cant boot, and came folder with question mark. and i think that my ssd broke, and i bought new ssd, i put in , and still came folder with question mark, and i put my hdd back in and OK, can someone tell me the Problem ? should i buy new cable ? i use Macbook Pro 15 mid 2012.