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Model A1418 / Late 2012 / 2.7 & 2.9 GHz Core i5 or 3.1 GHz Core i7 Processor

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Why is my iMac working so slowly? 2012 iMac macOS Sierra 10.12.6

My machine is working very slowly and I am unsure why. Even loading a webpage in chrome or starting up spotify takes ages.

I have 787.24GB available of 999.35GB for storage. 8GB of memory installed. I have tried emptying the trash and some other things with no luck.

Any help would be great.

Répondre à cette question J'ai le même problème

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Start up in Safe Mode by holding down the Shift key on start up and let us know if your problem persists.

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Ok, I will. Would you recommend doing that before running something like Malwarebytes?

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I always do the things that don't cost first. Besides, it doesn't get much simpler.

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So I gave it a shot. Things seem to be loading faster, but it is doing this weird "painting" behavior. The login screen was painting up the screen over and over, and each application I open is doing it as well. Even after the application has loaded. Websites appear blank as well. As if it cannot fully load. Safe mode seems worse right now

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That sounds like a failing GPU. Hook up an external monitor and see if it is doing it there too.

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I do not have an external monitor :/

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Have you tried running an antivirus scan with malwarebytes or another program?

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No I haven't. Would you recommend that program vs others?

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Malwarebytes is free and has worked well for me in the past

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Mike Aiello sera éternellement reconnaissant.
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