iMac late 2012 1TB Fusion - Replace hard drive

Discussion in 'iMac' started by PatrickNSF, Dec 27, 2013.

  1. PatrickNSF macrumors 6502


    Jan 24, 2011
    After searching the threads for a while, I'm having trouble finding any info on replacing the 1TB hard drive component of a Fusion drive with a 4TB hard drive and creating a new Fusion drive. I'm comfortable disassembling the iMac with the iFixit guide, and not concerned with warranty issues, but having trouble figuring out what's involved once I swap the drive to reformat as a new 4TB Fusion.

    Any leads would be appreciated.
  2. Eriamjh1138@DAN macrumors 6502


    Sep 16, 2007
    BFE, MI
    There are many guides on DIY fusion drives. I just did one on my 2011 MBP.

    The most important is a backup before you do anything.

    Otherwise, it's:
    Remove HDD
    Replace HDD
    Create fusion drive across SSD and new HDD
    Reinstall mavericks (if necc.)
    Install backup

    You have to pay attention to your recovery volume but I don't know the details. There's threads about that. Just test with CMD-R after reinstalling to see if it works.

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