2.5 GHz dual-core Intel Core i5 processor (Turbo Boost up to 3.1 GHz) with 3 MB shared L3 cache.

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Running Slow: Error Code: 4HDD/11/40000000:SATA(0,0)

My computer is running very slow. After running Apple Hardware Test, I got the error code 4HDD/11/40000000:SATA(0,0). Here is what I've tried so far; verified disk, verified disk permissions, repair disk permissions, and used HD Cleaner.

Disk Utility showed nothing was wrong. Then I decided to wipe the SSD and reinstall Yosemite, yet it's still running slow. Could it be the SSD or the SSD tray's ribbon cable has been damaged? Or something else?

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What SSD are you using? Is it from Intel, Kingston, Sandisk, Crucial or another company?


@Sejin - Most likely he has the original SSD the system came with. If someone has changed it out it would be a OWC or Transcend SSD unit as they are the only ones that make the correct units for this system.


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Apple says this is a false error.


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Thank you for your answer :-)


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If you've ID'ed your system correctly here this model uses a blade type SSD. There is no cable connection as the SSD is plugged directly into the logic board via a connector.

Here's the IFIXIT guide for replacing the SSD: MacBook Pro 13" Retina Display Late 2012 SSD Replacement.

I would pop the bottom cover off and do a good inspection looking for signs of liquid damage here.

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This mean you need to replace your drive since the error is a drive error. If you dont change the drive, it will fail soon enough and lose all your data in the process. You might as well buy a new drive and replace your old drive.

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