imac 27" 2010 power supply test if bad??


macrumors newbie
Original poster
Apr 18, 2019
hi guys i have a 2010 a1312 imac 27" and its dead.. i opened it up and tested the PS and i get 12v on the 4th pin on the right from bottom and 4v on couple pins about that.. no other readings BUT those 2 readings flutuate from 1v to 12v and from 0v to 4v ?? bad ps or is that normal? thanks guys