lion will not install

Discussion in 'Mac OS X Lion (10.7)' started by Mrsimey7, Jul 21, 2011.

  1. Mrsimey7 macrumors newbie

    Joined:
    Apr 30, 2011
    Location:
    Canberra, Australia
    #1
    hey guys i downloaded lion
    but when it came to installing i can't hit the install button, or select a drive,
    it says for my macintosh HD-"this disk cannot be used to start up your computer"
    please help
     
  2. qCzar macrumors regular

    Joined:
    Feb 27, 2011
    Location:
    SFBA, CA
    #2
    If Snow Leopard was installed as NTFS at some point (I know I have), Lion may not be able to install. I can't confirm this as my current Mac will be staying as OS X Snow Leopard.

    Go into "Disk Utility" and click on the HDD. It'll be the first tabbed item. At the bottom it says "Mount Point:," "Format" etc. If the Format reads HFS+, Max OS , Mac OS Extended or anything like that you're likely okay. If it reads FAT32, NTFS or something else you may need to perform a clean install of Lion by reinstalling SL as Mac OS Extended.
     

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