Have reformatted the disk as MacOS extended journaled, 1 partition - disk now recognised. Showed up as having one small partition when installed internally - doesn't seem to cause any problems when connected externally. Read all the stuff in here about new cables etc. No joy - would not boot - got the flashing Folder with question mark. Time came to swap the disks over - ie put the 750 inside the MacBook and take the 500GB out. Formatted the 750GB disk, did a clean install of Mavericks and moved a bunch of my stuff across from the 500GB.Ĭould happily boot up the new system on the 750GB disk while attached to the USB - SATA interface. I hooked the 750GB up to the MacBook through an external USB - SATA interface. I wanted to replace the 500GB SATA hard drive in my MacBook Pro with a 750GB disk. TL DR - Make sure you put an insulated barrier between the aluminum surface and your SATA cable electric tapes works fine!ĭifferent thing are happening to different people here. I never did throw the old cable back in to test if the tape was a singular fix (I was just happy to see the SSD show up in Recovery again), but I sure kept the potentially-fine cable for a future fix. I did that and then suddenly the new cable worked, and no more corruption of my installations. The instruction was to insulated the cable from rubbing against the aluminum case by putting a few strips of electrical tape beneath the cable, on the case where the flat SATA cables run. I then read about SSDs not tolerating erroneous data sent along SATA cables very well, with the suggestion that the cable would produce data errors because of it rubbing against the aluminum case. The most recent time, the new cable did not fix the problem. After hours of reinstalling and re-corrupting the MacOS on a new SSD I was installing, I ordered a new SATA cable. I had these issues on two occasions for 13” Macbook Pros from 2012.
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