I have checked Will my other partitions be wiped when doing a clean install of Mavericks? but I'd like to make sure whether a clean install of Mavericks to my specific OS X partition won't mess up with the rest of the disk. OS X generally doesn't recognize other partitions types beyond the Windows types.

Is such clean install prone to error even if I take care of asking installation to not touch the partition scheme?

1 Answer 1


If you clear you partition using Disk Utility and then boot into Internet Recovery or install from another location (for example a USB flash drive) you should be fine, OS X will only be installed (and only effect) the partition you choose to install it on at the start of the installation process.

  • does that means I have to first clear the partition before the clean install? or is it safe to just overwrite current installation if there's such option.
    – oblitum
    Commented Jun 4, 2014 at 17:56
  • It's how I choose to do it. You can just launch into the boot disk and it will overwrite it for you. Commented Jun 4, 2014 at 18:36
  • thanks, I have already erased it first from disk utility in the Mavericks thumb drive
    – oblitum
    Commented Jun 4, 2014 at 18:41
  • ok, I was using rEFInd already, it was a matter of reinstalling it after the clean install, no problems =D
    – oblitum
    Commented Jun 4, 2014 at 21:31
  • @pepper_chico Good! Commented Jun 4, 2014 at 22:37

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