crwdns2934241:0crwdne2934241:0 scallejam

crwdns2934249:0crwdne2934249:0:

I have the same symptom in this model of iMac. Just # 1 led on when computer is plugged, power button does nothing despite it shorts both power on pins properly.

Also tried removing RAM, but still fan does not spins nor beeps anyway

Reset SMC did not work either

crwdns2915684:0crwdne2915684:0:

open