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MBP mid 2012 fails to format multiple SSDs in r...

          I have used my MacBook Pro (mid 2012) for 4 years and thought it was a good idea to replace my HDD with an SSD, but I am having trouble with the process.

I got a Crucial M300 7in 525GB SSD and installed it into my MBP. I booted into recovery mode, erased my SSD in Disk Utility, and began the installation of macOS Sierra.

This is where things started to fall apart, as my MBP reboots, it fails to open the macOS installer it just downloaded. So I reformatted my SSD and verified it to find Disk FIrst Aid (or fsck) failing with the code of 8. I tried to re-reformat it, but this time, my MBP failed to unmount my SSD. I rebooted into Recovery Mode, and although Disk Utility seems to format my SSD correctly, it fails when it verifies the SSD.

I thought my SSD was faulty and had it replaced. This time I got WD Blue PC SSD 500GB. However, things never got better. With that SSD, when Disk Utility tries to erase it, it gets stuck at "Waiting for partitions to activate" stage.

Is this the sign of my entire MBP (or the logic board) dying?

Currently, my MBP...:

* can boot with the original HDD. A little bit sluggish, but still works

* can't format my SSD with its Disk Utility in Recovery Mode. The process appears to work, but fsck and installation/recovery afterward fails

What I have tried so far are as follows:

* Tried different SSDs. Both failed.

* Reset PRAM and SMC before booting to Recovery Mode to format my SSD. No avail.

* Tried to erase the SSD from the shell. No avail.

* Switched back to HDD after observing the behavior. My macOS booted fine, so the SATA cable should be intact.

What I WILL be TRYING after posting this:

I am handing my SSD to a friend of mine who has everything needed to format SSD (something like SATA to USB converter.) He'll format my SSD with Disk Utility on live macOS to see if it's dead.

Hi,

There have been many posts about hat model MBP having similar issues. The fix is often reported to be the HD cable. If I was in the position you are in, and what you're trying with your friend doesn't work out, I'd replace the cable.

The cable is forced to perform at a higher level when used with an SSD drive.

最后更新：2017-10-12 12:10:48

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