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The 2013 revamp of the desktop Mac series known as the Mac Pro.

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Mac Pro won't turn on. Need advice

Hello, i own a Mac Pro Late 2013 which won’t turn on.

I live in Argentina where no official nor unofficial tech support would repair my computer.

So i was wondering if i could detect the defective part myself and replace it, since i’ve already disassembled the computer using iFixIt guide, and i found it very easy to do.

The problem is, i don’t know what’s the broken part. One thing for sure is that the Mac won’t turn on at all, not even the front light behind the I/O panel (it did turn on a couple of times when trying to power on, right after the computer stopped working, but then it never turned on again).

I highly suspect on the power supply (this is just a hunch, i’m not an electrician nor an expert in the matter), and i’ve found one on eBay that i could buy, but i don’t want to waste so much money on it if i can’t be sure it is actually the part that must be replaced.

So, right to the point, is there any more or less reliable way to know which is the defective part of my Mac Pro, without having any other parts to replace and try? Would it be wise to bet on the power supply theory and go ahead and buy it?

Many thanks !

Bu soruyu yanıtla Ben de bu sorunu yaşıyorum

Bu iyi bir soru mu?

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The good news is Apple is planing an Apple Store in Buenos Aires this year! Apple to Open First Argentinian Apple Store in Buenos Aires in 2018. I haven't seen an official opening notice so it may still be early. Here's the Apple Support page for Argentina Contactar con el Soporte técnico de Apple

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Thanks a lot for your reply. Unfortunately these kind of news are usually fake (see the article you posted is from 2017 and yet there hasn't been any official confirmation so far).

We do have official resellers which do tech support and repair, but all of them told me that they didn't have the parts to repair the computer.

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The best I can offer you is to measure the voltages at the top of the system. Review this IFIXIT guide Mac Pro Late 2013 Power Supply Replacement jump down to Step20 the red screws are the power feeds for the logic boards. Remove the fan assembly stopping at Step8. Then jump down to Step19 removing the cage. At this point you need to use extreme care! As you don’t want your meters probes from shorting across from the screw heads. Check the left side and the right side to see if you get power. If you don’t then you know you’ve got a bad power supply.

We had two power supplies go because someone disconnected the system from the UPS and use an unprotected outlet (we had bad power where I had worked and we needed UPS’s). You may need to make that investment to protect your system.

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Thanks a lot, i will try this and see what come up. Thanks!

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