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The iMac Pro, is Apple’s most powerful iMac to date. It comes with either a 3.2 GHz 8 core, 3.0 GHz 10 core, 2.5 GHz 14 core or 2.3 GHz 18 core Xeon W processor. EMC 3144 / A1862 (ID iMacPro1,1)

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iMac Pro / Motherboard dead / No leds on

Hi everyone, I have an issue with my imac pro. It doesn't start anymore.

I have no leds light on motherboard. I already changed power supply but same thing. Thank you for your help.

Regards

Update (04/19/24)

Mise à jour...

Je me suis rendu compte qu'il y avait un bouton sous les leds sur lequel il faut appuyer pour avoir l'état.

Seul la première led s'allume. J'ai également essayé de me connecter en DFU et j'y arrive par contre j'ai une erreur quand j'essaie de restaurer.

Answer this question I have this problem too

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I would check the AC socket as well as manually short the power button line to see if the button has failed as well as check the power rails.

It’s also likely you have a short within the logic board logic. You need the schematics and board views to work this out.

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Olivier Paulart will be eternally grateful.
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