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MacBook Pro 13: SSD not working even after cable replacement!

I have a really twisted and weird problem here!

I replaced my HD with an SSD (Crucial MX300), and the laptop was running fine with this upgrade. At some point, the OS was having weird behaviors, eventually freezing without having the possibility to work. The last step of this regression has been the fleshing question mark when starting up the machine.

I saw on different blogs the problem is related to the sata cable. Thus I ordered one compatible with my macbook pro (with brackets):

https://eustore.ifixit.com/en/Parts/MacB...

After few weeks of having a perfectly working machine, the same problems appeared, leading to the same flashing question mark when starting the laptop.....

Please, help!

Update (03/14/2017)

Hi guys,

thanks for your answers.

@gigabit87898 to be more precise, below (*) are the hardware specs of my laptop: so it has a 6Gb/s interface. I also bought a compatible SSD from Crucial website: http://www.crucial.com/usa/en/macbook-pr...

@sherlock_holmes I have already tried a Samsung 850 EVO, unfortunately with the same outcome.

@thethirdtwin I am using the SSD connected externally through USB to boot the machine, and it works just fine.

I was thinking at some deeper problem, related to the interface itself or something related?

(*) Hardware Overview:

Model Name: MacBook Pro

Model Identifier: MacBookPro8,1

Processor Name: Intel Core i5

Processor Speed: 2,3 GHz

Number of Processors: 1

Total Number of Cores: 2

L2 Cache (per Core): 256 KB

L3 Cache: 3 MB

Memory: 4 GB

Boot ROM Version: MBP81.0047.B2C

SMC Version (system): 1.68f99

Serial Number (system): C02FD3R7DH2L

Hardware UUID: 00954623-0239-5912-BFA7-C8A82231FDCA

Intel 6 Series Chipset:

Vendor: Intel

Product: 6 Series Chipset

Link Speed: 6 Gigabit

Description: AHCI Version 1.30 Supported

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선택된 해법

Go to the 2012 HD/IR cable:

MacBook Pro 13" Unibody (Mid 2012) Hard Drive Cable

MacBook Pro 13" Unibody (Mid 2012) Hard Drive Cable 이미지

상품

MacBook Pro 13" Unibody (Mid 2012) Hard Drive Cable

$44.99

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@mayer thanks! But could you please justify your answer?

Why should the cable for the mid 2012 be the solution?

Are there analogous cases that were solved by this replacement?

Does the cable fit without any problem into the laptop?

Could not be a problem related to the logic board?

I have already spent a considerably amount of money to try solving this issue and so I want to be sure I'm gonna solve it by buying this replacement. Many thanks.

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Please @mayer, could you comment about this? It would be really helpful for me! Thank you again!

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That SSD is not compatible with your system. You need a SATA II one (3.0Gb/s) but that is a SATA III one (6.0Gb/s). Now you will need a different SSD and cable. If you keep using that drive it will just keep killing hard drive cables.

If this was helpful please click accept answer.

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thanks for your answer. To be more precise, below are reported the hardware specifications of my MacBook Pro: so it has a 6 Gb/s interface. Moreover, I bought the compatible SSD from Crucial website:

http://www.crucial.com/usa/en/macbook-pr...

Hardware Overview:

Model Name: MacBook Pro

Model Identifier: MacBookPro8,1

Processor Name: Intel Core i5

Processor Speed: 2,3 GHz

Number of Processors: 1

Total Number of Cores: 2

L2 Cache (per Core): 256 KB

L3 Cache: 3 MB

Memory: 4 GB

Boot ROM Version: MBP81.0047.B2C

SMC Version (system): 1.68f99

Serial Number (system): C02FD3R7DH2L

Hardware UUID: 00954623-0239-5912-BFA7-C8A82231FDCA

Intel 6 Series Chipset:

Vendor: Intel

Product: 6 Series Chipset

Link Speed: 6 Gigabit

Description: AHCI Version 1.30 Supported

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No, SATA III is downwards compatible

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I have solved the problem! At least for my machine. I ended up ringing the local mac people and was told that when they install an SSD optical drive caddy - they put the SSD in the place that the original HD is and put the original in the caddy, because the original architecture can support 6Gb/s whereas the optical drive only supports 3Gb/s - But a standard HD can use the 3Gb/s speed of the optical drive. So I did all that, swapped them over, used the original HD externally to shift all my data etc to the new SSD, installed the original HD in the caddy and hey presto!! I have a new machine that is now FAST! It is running like a new mac. Very impressed. This seems to be the solution. Put the SSD in the original HD space and the original in the caddy. Hope it works for other people.

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This is the correct answer. Had the same issues as OP and the caddy fixed it.

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Try a different Hard drive

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I have already tried a Samsung 850 EVO SSD, unfortunately with the same outcome.....

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Your drive might be have been dead on arrival, I'd suggest contacting Crucial for troubleshooting and potential RMA.

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