iMac first aid questions/help

Discussion in 'Mac Basics and Help' started by stevo8, Sep 16, 2010.

  1. stevo8 macrumors 6502

    Joined:
    Jul 3, 2007
    #1
    I have a 24" 2.8GHz iMac that seems to be working just fine. However I decided to run some of the first aid stuff on the hd and when I asked it to verify the disk it came up with a prompt that states

    "This disk needs to be repaired. Start up your computer with another disk(such as your Mac OS X installation disc). And then use disk utility to repair this disk."

    So now my question is, is that I don't have access to the original discs at the time so what should I do? I currently have a 500gb mybook connected with time machine backups current and a FireWire 400 external with little to nothing on it as well. Is there a way to repair whatever needs to be repaired without the original discs? I'm sure I could get them as they are just in storage in the original box but it would be much much nicer if I didn't need to.
     
  2. rprebel macrumors 6502

    rprebel

    Joined:
    Aug 22, 2010
    Location:
    Where the bluebonnets bloom
    #2
    You have to boot from an install disc, as you can't repair the HD you're using as the boot disk.
     
  3. spinnerlys Guest

    spinnerlys

    Joined:
    Sep 7, 2008
    Location:
    forlod bygningen
    #3
    You could clone your system to that external FW HDD via CarbonCopyCloner or SuperDuper and then boot from it via holding down OPTION/ALT during startup and then running Disk Utility.
     
  4. stevo8 thread starter macrumors 6502

    Joined:
    Jul 3, 2007
    #4
    Ok so I went and got the original discs. Now sorry for the stupid question but how do I use them to fix this issue?
     
  5. spinnerlys Guest

    spinnerlys

    Joined:
    Sep 7, 2008
    Location:
    forlod bygningen
    #5

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