iMac - doing a clean install without boot disc or USB? Possible over Internet?

Discussion in 'iMac' started by paul the 6th, Jan 13, 2013.

  1. macrumors newbie

    Joined:
    Sep 24, 2009
    Location:
    York, North Yorkshire (UK)
    #1
    Been having some mega headaches with my mac lately - constant sbbod and locking up for 5-10 minutes at a time, taking 15 minutes to boot up etc. trouble finding the start up disc and so on.

    Tonight I managed to boot from the recovery partition and nursed it for close to 2 hours. Now it's just fired back up after 10 minutes sitting around and it's exactly the same with all the old files etc.

    I recently upgraded to mountain lion via the App Store - now I want to do a clean install but don't have a disc or USB drive with the boot files on, and with the current state the mac is in, I can't open App Store to make a boot disc without it freezing permanently.

    My mac is basically screwed. If I format the partition I will I have the option of installing mountain lion from apple servers via the net?

    Getting severely frustrated with it now. :( thanks in advance everyone
     
  2. macrumors regular

    smoge

    Joined:
    Jun 14, 2011
    #2
    If you are already running OSX Mountain lion, then surely you are looking for a format not clean install?
     
  3. macrumors 68020

    charlieegan3

    Joined:
    Feb 16, 2012
    Location:
    U.K
    #3
  4. thread starter macrumors newbie

    Joined:
    Sep 24, 2009
    Location:
    York, North Yorkshire (UK)
    #4
    It's the first time I've ever had to do this with a mac, I always thought a clean install and formatting were basically the same thing? Basically I want to wipe it (format it) and then do a nice clean install of OS X to make it run smooth again.
     
  5. macrumors 6502a

    Joined:
    Mar 8, 2008
    #5
    What year/model is the iMac

    Sounds like a failing hard drive as well.
     
  6. thread starter macrumors newbie

    Joined:
    Sep 24, 2009
    Location:
    York, North Yorkshire (UK)
    #6
    2008/2009 intel

    ----------

    This is the issue, the state my mac is in just opening the App Store causes it to crash so am unable to make a boot disc :(
     
  7. smoge, Jan 13, 2013
    Last edited: Jan 13, 2013

    macrumors regular

    smoge

    Joined:
    Jun 14, 2011
    #7
  8. thread starter macrumors newbie

    Joined:
    Sep 24, 2009
    Location:
    York, North Yorkshire (UK)
    #8
    Cheers dude, but then do I still need disk utility to make it into a boot disc?
     
  9. thread starter macrumors newbie

    Joined:
    Sep 24, 2009
    Location:
    York, North Yorkshire (UK)
    #9
    Already got recovery partition on my iMac as standard, the apple website says that particular download will give the same functionality to macs which don't have it already.

    Thinking I might be able to create a boot disc from my dads mac on Tuesday - more days of having an apple paperweight on my desk. Is there a way to tell if my HDD is dying? And what are the implications in terms of repair etc.?
     
  10. macrumors 6502a

    Joined:
    Mar 8, 2008
    #10
    Recovery Disk Assistant
    http://support.apple.com/kb/DL1433

    If you use the recovery partition, you should be able to open Disk Utility, erase the hard drive and then select reinstall mountain lion?
     

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