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  1. #1
    Part of my hard drive is missing

    Member Since
    Sep 29, 2012
    Posts
    3
    Question Part of my hard drive is missing
    I am using an old iMac from about 2007 that I recently got, I am running Lion and even though it has a 320GB hard drive it is not all showing up. Can someone help me, here is what my disc utility looks like



    I tried dragging down that blue box to extend the size of the partition, but when I hit apply it doesn't work. I think I have a missing partition or something.

  2. #2
    Part of my hard drive is missing
    chscag's Avatar
    Member Since
    Jan 23, 2008
    Location
    Fort Worth, Texas
    Posts
    45,284
    Specs:
    27" iMac i5, 3.2 GHz, iPad 3, iPhone 5c, iPhone 6+, 3 iPods, Yosemite
    You can't adjust partitions when the hard drive is mounted. Boot the machine from the original install recovery disk, enter Disk Utility from the disk and then adjust the partition. It will work.

  3. #3
    Part of my hard drive is missing

    Member Since
    Sep 29, 2012
    Posts
    3
    I did what you said, booted in recovery mode then went into disk utility, then it said "cannot unmount drive"

  4. #4
    Part of my hard drive is missing
    harryb2448's Avatar
    Member Since
    Nov 28, 2007
    Location
    Nambucca Heads Australia
    Posts
    20,061
    Specs:
    iMac i5 2.7GHz, 16GB memory, OS 10.10.5
    As stated you need the system install disc to boot from. You cannot do this when you are booted from the hard drive. There is a difference between using the install disc and recovery.
    Hang on to those original install discs like grim death! Using OS X.7 or later make a bootable USB thumb drive before running Installer!

  5. #5
    Part of my hard drive is missing

    Member Since
    Sep 29, 2012
    Posts
    3
    Ok now I downloaded Lion from the mac app store so I do not have a disc for lion which I am currently running. Would my snow leopard disk work?

  6. #6
    Part of my hard drive is missing
    harryb2448's Avatar
    Member Since
    Nov 28, 2007
    Location
    Nambucca Heads Australia
    Posts
    20,061
    Specs:
    iMac i5 2.7GHz, 16GB memory, OS 10.10.5
    Yes it would have however if you have purchased Lion and did a clean install after making a USB thumb drive of Lion, would not bother.
    Hang on to those original install discs like grim death! Using OS X.7 or later make a bootable USB thumb drive before running Installer!

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