Model A1224 / Mid 2007 and Early 2008 / 2, 2.4, or 2.66 GHz Core 2 Duo processor

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Had a power outage, and after my computer won't turn on? solved

iMac 8,1 - OS El Capitan with 4 GB RAM

I experienced a power outage and after that I tried to turn on my computer but didn't turn on. Is it logical the power supply needs replacement.

Any suggestions?

Do you think I can fix it?

Thank You in advance!

Update (10/10/2016)

The Computer is: Model A1224 iMac 8,1

RAM 4GB, 250GB Hard Drive

I want to say thank You to everybody that comment here!!!

Contestado! View the answer Yo también tengo este problema

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Calificación 1


hard to tell without some more additional information. taking it apart and inspecting the internal condition of the device can go a long way. smell for anything burned. take pictures.


I think something happen with the power supply card....


David nothing smell,

also when happen I wasn't in the same room.But quite after,

You can see clear nothing works


@vinnie777 - Can you tell us your exact model here. Go to this web site and plug in your S/N which is located on the bottom of your system foot: EveryMac - Look up. Once you find it paste the systems URL here for us to see what you have.


For 3-4 days I tried so many things and nothing happen.

Include the 10 sec unplug.But always trying and trying.

But Eureka....

Today I was with luck, began to work, I write from this computer.


What I did?Very good question.

So I put the power cable into the computer and began to move it inside the computer, and after 5 sec I heard the sound and began to work.

So after I was thinking if the problem was the outrage, but for sure as I think was

connection issue with the power cable, or something that was close to the cable inside the computer and after my strong moving did connection.

I will be very happy with all this experience to help to somebody with the same problem.

I want to thank You again for everybody that gave his time to write down here

and to help me. Now this experience hope to help You as You helped me!!!

I am now very happy!


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1 Respuesta

Solución Elegida

Unplug the machine. Press and hold the power button for ten seconds. Hook it back up and give it a shot.

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Thank You Mayer, I did everything

I saw three times and did the same with my computer, nothing didn't resolve the problem, thank You for for the feedback!!!!


Remove the glass:

iMac Intel 20" EMC 2133 and 2210 Glass Panel Replacement

Try to power on and observe the diagnostic lights to the right of the RAM slots and tell us what you see.


@mayer, THANK YOU for this solution., My iMac and Brother Laser printer both became inoperative after a huge storm recently. Neither would turn on. I followed your unplug, hold power button 10 seconds and restart procedure any my iMac came back to life, What a relief and thank you so much.


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Vinnie estará eternamente agradecido.
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