crwdns2934241:0crwdne2934241:0 originalmachead

crwdns2934249:0crwdne2934249:0:

'''Not necessarily''' -see [https://www.ifixit.com/Answers/View/53640/Faulty+iMac+-+Only+three+LEDs+appearing+in+diagnotics#answer53641|this answer.]

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crwdns2915684:0crwdne2915684:0:

open