Reformatting: Impact on EFI?

Discussion in 'Mac Basics and Help' started by Gizmo22, Oct 30, 2011.

  1. Gizmo22 macrumors regular

    Gizmo22

    Joined:
    Oct 22, 2009
    Location:
    Midwest USA
    #1
    I have a family member with a Macbook and some as of yet unknown issue. They said they messed up the EFI bootloader by trying to do a side by side install of Windows without using Bootcamp. Now the unit requires several restarts to actually boot into OSx

    Does anyone know what this might be? At the very worst, wouldn't a complete reinstall of OSx fix the issue?
     
  2. Intell macrumors P6

    Intell

    Joined:
    Jan 24, 2010
    Location:
    Inside
    #2
    A complete reinstall of Mac OS X and making sure to wipe the disc when reinstalling will fix the problem.
     
  3. Gizmo22 thread starter macrumors regular

    Gizmo22

    Joined:
    Oct 22, 2009
    Location:
    Midwest USA
    #3
    Great to hear as a backup!
     

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