Beeping sounds, black screen, not starting upMy iMac is not starting up with beeping sounds (every 5 seconds) and a black screen. I checked the memory modules & slots as ...
Answer to "1 Beep every 5 seconds!"Also I got the same problem on imac 27” a1419. I would like to change power supply. Is it good idea or useless plan as like you got same experience?