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4hdd/11/40000000:sata(0,0) Apple Hardware Test (holding D at power on)

I appear to have developed a SATA disk error after 5+ months of use. I was running the D at power on test daily then once a week with no problem. Last week when running the Apple Hardware Test this error appeared "4HDD/11/40000000:SATA(0,0)". Can anyone help me determine why this just started after 5+ months with no problems?

MacBook Pro with Retina display, OS X Mavericks (10.9)

Posted on Oct 28, 2013 1:34 PM

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37 replies

May 24, 2017 3:12 PM in response to gwfaulkner1

I got this after being hacked. My computer is now missing it's serial number as well. I wasn't missing it a week ago when I was at the Apple Store. I have another appointment tomorrow. I trust they will take it in the back and flash new firmware onto it and give me some opaque explanation, but I'm fairly certain it's the result of a firmware exploit.

Oct 28, 2013 1:36 PM in response to gwfaulkner1

Welcome to Apple Support Communities


Was your MacBook plugged to the charger? If not, plug it and run Apple Hardware Test again.


That error means that the flash storage is damaged. The only thing you can do is to make a backup of your files with Time Machine and take your MacBook to an Apple Store or reseller. As your MacBook Pro is in warranty, it will be repaired free of charge

Oct 28, 2013 1:53 PM in response to gwfaulkner1

Yes, that MBPro is plugged in. I took the unit to the Apple Store where I purchased it and Genuis Bar ran their diagnostics and told me that nothing was wrong with the unit. I demonstrated the error to them and they said that the Apple Hardware Test was not design to be run by customers and since their diagnostics did not fail, I should ingore that HDD SSD error message. 😠 The last MBPro that had this error starting crashing before I convienced The Apple Store to replaced the unit as it started having problems within the first 2 weeks of ownership.


Does anyone have any suggestions for me to convience The Apple Store Town Center Las Vegas NV that there is a problem with the SSD? 😕 Since this is not the first time that I have seen this problem, I not have NO confidence that this unit is reliable and am leary to use it for my business operations.😟


Thanks for all your help.

Oct 29, 2013 7:49 AM in response to gwfaulkner1

gwfaulkner1 wrote:


I ran the AHT with extended checked, took a little over and hour to complete and I got the same error. Any suggestions as to what to try next?


Photograph the screen, date it and call AppleCare and say it's a warranty call, talk to them.


Make sure to make a note of the time and date, who you spoke too., etc. and that they refuse to service the machine.


Consult with others with your same exact specifications and see if your problem is individual or it's because Apple did'n't update the Hardware Test accordingly for all machines with your spec.


Note that your problem might be intermediate, not showing up for them at that time, but you still have a issue.


A lose conenction sounds like what the problem is, it's working then it's not at times, which the extended Hardware Test is catching and the fast Genius Test is not.


Keep a record and be prepared to explore your legal options if the drive fails, make backups.


It might be that later on that Apple finds out there is a bad batch of drives, like they did for some Nvida graphics and offer a replacement option outside of warranty. Buy AppleCare regardless.


Good Luck 🙂

Dec 13, 2013 4:00 PM in response to CGPretty

YES. It is a Early 2013. The interesting part of this is that the AHD test passed with no problems for almost 6 months before this problem starting occuring. They can NOT explain this. I still think that Apple has a hardware problem that they have not been able to determine the source and found corrective action for. Much like the "non-repetable" problem with the antenna on the iPhone 4.

4hdd/11/40000000:sata(0,0) Apple Hardware Test (holding D at power on)

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