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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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Why is my mac so slow?

Booting up takes 3 Minutes and opening a program like word or mail takes over 1 minute.

Beantwoord deze vraag Dit probleem heb ik ook

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Have you considered reinstalling the OS and switching to an SSD for faster read/writing speed?


@dinoo_fixit - That’s a strong possibility but not the first thing I would do.


@danj Right, but maybe after fixing this issue, replacing the ten years old 7200 rpm HDD with an SSD and increasing the RAM wouldn't be a bad idea


@dinoo_fixit - I don’t disagree! The core issue is likely something else.


@danj You're right


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I would run the onboard diagnostics to see if something is not working correctly. Your system will go into CPU Safe mode which reduces the systems CPU clocking to a crawl!

To get to diags restart your system and press the D key on your keyboard at startup. Here’s a good reference Mac startup key combinations

Let us know what you got for an error/s

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Cannot Load EFI/Drivers/TestSupport.efi

This is the error message I get


@maximmotyka - That sucks! Thank you Apple! 😖🤬😖🤬

Did you try the online version as well? I hate winging it! Let’s assume the drive is just badly fragmented, then defragging the drive would be what I would do. But before you do that make sure you have a good backup!

I would get this product as I find it’s one of the better ones! Drive Genius it’s what I use.


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Maxim Motyka zal eeuwig dankbaar zijn.

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