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Model A1419 / Late 2012 / 2.9 & 3.2 GHz Core i5 or 3.4 GHz Core i7 Processor, ID iMac13,2

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iMac does not start , does not turn diagnostic LEDs

My problem is due to a 27-inch iMac Late 2012 Quad Core Processor 2.9, was replacing the HDD of this machine, the Mac I then lit the job done. Shut down your Mac and try to light again but this no longer wanted to turn more.

I have tried to make it on again, and change the power supply, replace the battery of Mother Board, Remove all electronic parts and place in anti-static bags but the iMac does not react. When connecting your iMac to the electric current, is not none of the LEDs lights of diagnotico.

Ответ на этот вопрос У меня та же проблема

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Check the wall plug. You should at least get #1 diagnostic light on if it is getting power.

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Saw that my power cord esta working well, the perobarlo with another iMac.

Included with another probe power supply UN in good esatdo iMac .

Still not turn me any diagnostic LEDs . UN to Perform battery replacement Madre Y NO results have Baord .

Case I think it's a little more advanced by what is presented .

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I suspect that you got a bad replacement power supply. Use a multimeter to test if you are getting power to it. Thanks for the email and posting the question.

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Believe me it is a source taken from another iMac , which works in perfect condition. I think the problem esta linked to the logic board , appreciate any help from you or other members lls .

And thank you for the help .

из

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Claudio Castillo будет вечно благодарен.
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