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Modello versione metà 2009 A1278 - EMC2326 / processore Core 2 Duo 2,26 o 2,53 GHz

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Why can't my MacBook boot up

I replaced the battery of my mid 2009 MacBook and the hard drive with a new Solid State Drive. The MacBook, however, would show a folder with a question mark. I haven't replaced the ram but when I did, it wouldn't displace anything. The battery isn't faulty because I have inspected it. This is a serious problem.

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When you see a question mark that means that the mac doesn’t know what to boot from(it also does this if there ISN’T anything to boot from)

If you haven’t reinstalled macOS you will need to do that to fix your issue

Here’s a guide in doing that

If you already have macOS installed I suggest you reseat the cable going to the SSD:-)

Hopefully this helps

Any questions please ask


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Was the system ever patched? If so see my thread "Cannot access boot utilities - greyed out EFI Boot - SOLVED!" hopefully that helps someone!


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Neon Knight sarà eternamente grato.
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