Unrecognized internal SSD

Hello, I have a Macbook Pro mid 2012. About 2 years, I've updated the hard drive for an SSD crucial. A few days earlier, I tried to boot my macbook, and he gave a flashing folder with a question mark symbol which I understand means the disc is not recognized hard. I have given my old hard drive and that worked well and the macbook could even start using the attached SSD external via USB, but whenever I put it into the Macbook internally, it seems not to be recognized, so I'm not sure. The cable seems to work because my original hard drive works of him, the SSDS works when used outdoors.

I think that the last thing that happened before it stopped working was a time machine backup that worked as I have restored my original of the hard drive, but I can't have ejected my drive external hard time machine correctly so I don't know if that caused an error with my SSD that was backing for it. Suggestions for my SSD to work internally again would be appreciated.

Install a new internal SATA cable.  A search of these forums will grow many users with the same problem: HARD + SSD drive working outside when it is connected through the USB port.  HARD drive works internally, but the SSD does not internally.

Ciao.

Tags: Notebooks

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