Macbook Pro wont boot with SSD connected

Discussion in 'MacBook Pro' started by MurdoTM, May 16, 2018.

  1. MurdoTM macrumors newbie

    May 16, 2018
    Isle of Lewis
    Hope someone can help solve this one. I have a Macbook Pro A1425 that when turned on it does the chime & shows the apple logo & the loading bar fills up to about 50-75% of the way then the mac cuts out. If I remove the hard drive from the mac & try turning it on it stays on without cutting out but obviously wont boot without the hard drive connected. The mac uses an SSD that is connected to the motherboard via a a cradle under the touchpad, I have tried a new SSD but same results, tried a new cradle same results & even tried a new motherboard & same results. So I am a bit lost as to what could be causing the issue of it cutting out with SSD installed but stays on when its removed. Anyone got any suggestions before I put it to the scrap pile?
  2. treekram macrumors 65832

    Nov 9, 2015
    Honolulu HI
    You have the 2012 MBP Retina?

    You can try verbose mode to see if a helpful message will appear.

    If the SSD does not have a clean initial install of the OS, you can try safe mode.

    It sounds like you're using an adapter with a standard mSATA SSD. If that's the case and if the above suggestions don't help, I would try the SSD(s) in an external USB enclosure (you need one that uses a mSATA or whatever your SSD is and not a standard 2.5" SATA drive) and see if you can boot that way. If possible, you should also see if another suitable Mac can boot from your SSD's.

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