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Original post by: Jonathan Fernández ,


I have a question, it's kind of weird and basically the same issue. I own a Macbook Pro '13 mid. 2012 A1278, I repleaced the SATA cable a few months ago (the original cable failed), and today I'm trying to install an SSD; everything works flawless when I start the computer with an external SATA adaptor to USB, but when I put the SSD in the internal SATA, it just doesn't work, but with the native HDD it does work. What do you guys recommend, should I change the SATA cable again? Same model (821-1780a), or an upgraded model (821-2049)?