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why won't my my imac start up?
iMac Line (2012 and Later)
Go to > If your Mac doesn't start up all the way - Apple Support
and follow the directions for the startup screen that you are seeing.
Go to > If your Mac doesn't start up all the way - Apple Support
and follow the directions for the startup screen that you are seeing.
My iMac (2017) started powering off by itself after I put it on sleep mode. I would come back to the machine and it was unresponsive. I booked it in to be looked at and the night before tried plugging it in in a different room. It then decided to wake up. That was 3 months ago and since then it has done this quite often. The solution, at least for my machine, has been to unplug it and then plugging in it again seems to trigger something.
Maybe it's a sign of a slowly dying machine - I don' know.
Get support now by phone or chat,
set up a repair, and more.
Call Apple Support at 1-800-APLCARE.
Try this.
Press and hold the power button for 30 seconds, release, wait 10 seconds and try a normal start
imac will not start up
