Reinstalling OSX Snow Leopard

Hello,
My late 2010 iMac has really slowed down in recent months. I was going to completely wipe this baby clean and start fresh. I dont have a lot of software that will need to be reinstalled, so it's no big deal.
However, I run the most current OS (Mavericks), so I was going to use my original disks that came with the computer (Snow Leopard) and reinstall OS with that. Then, once that's done, upgrade using a download from iTunes.
I know it would be easier to create a boot disk from the latest OS, but that seems like a lot of trouble.
Any thoughts?
Thanks! Nick

If it were me, I would restart on the recovery hard drive, from Utilities select Install Mac OS X and see if that helps the situation.  If it does not help, then restart again, and from Utilities select Disk Utility, select the hard drive, and then select Erase.  Quit Disk Utility and now select Install Mac OS X.  That will leave you with a hard drive with only Mac OS X on it, all applications and data will have to be reinstalled.
I would go for the reinstall first to see if that clears up the problems, then the erase and install as a last resort since that is pretty drastic to do.

Similar Messages

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    Crashes Since Last Report:           9
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    You may experience unexpected results if you have installed third-party system software modifications, or if you have modified the operating system through other means. (This does not apply to normal application software installation.)
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    Purchase the Snow Leopard Retail DVD.
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    Insert OS X Installer Disc into the optical drive.
    Restart the computer.
    Immediately after the chime press and hold down the "C" key.
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    Wait for installer to finish loading.
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    Download and install update(s) 
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  • Minecraft Won't Launch Because of a Java or Root Certificate Error I Started Having When I Put The Install Disk in And Downloaded Mac OSX Snow Leopard

    I need help. I recently tried opening Minecraft after re-installing Mac OSX Snow Leopard with the Mac OSX Install DvD and now every time I try to open the internet these stupid certificate errors come up and Minecraft says it can't launch because of a broken/missing root certificate

    Hello Shelby,
    Thank you so much for the details regarding the issue you are experiencing with the Snow Leopard installation.  I recommend following these steps if you are having trouble installing Snow Leopard:
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    Disconnect any external devices you don’t need during installation.
    Remove any cards from manufacturers other than Apple.
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    If you were unable to install Mac OS X again, choose Utilities > Disk Utility. Select the disk on which you want to install, click First Aid, and then click Repair Disk. After repairing any problems, quit Disk Utility and then click Continue to try installing again.
    If you’re still unable to install Mac OS X, try erasing the disk before installing Mac OS X. Before you erase your disk, try copying your files to an external disk. When you’re ready to erase and reinstall Mac OS X, follow the instructions in the “Restoring your computer to factory settings” section of this document.
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    Snow Leopard Installation Instructions
    http://manuals.info.apple.com/en_US/Snow_Leopard_Installation_Instructions.pdf
    Thank you for using Apple Support Communities.
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    Sheila M.

  • SSD Issue: Can't Install OSX-Can I use Target Mode to Install OSX Snow Leopard onto a laptop?

    Cannot reinstall my OSX Snow Leopard from my original disks: 2010 MacBook Pro 7,1.
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    -tried to do recovery download installation via internet, cmd-r, with Yosemite but that seems like a long shot. Just kept stalling, so it seems like this model cannot support that os without first having the original os?
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    Since you provide no information regarding what has happened other than it didn't work, how can we help you? I can only give you the whole process:
    Clean Install of Snow Leopard
         1. Boot the computer using the Snow Leopard Installer Disc or the Disc 1 that came
             with your computer.  Insert the disc into the optical drive and restart the computer.
             After the chime press and hold down the  "C" key.  Release the key when you see
             a small spinning gear appear below the dark gray Apple logo.
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             button. When the menu bar appears select Disk Utility from the Utilities menu.
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    can I use this disk to reformat my hard drive
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    Intel iMac OSX Snow Leopard 10.6.8
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    Old computer I had is OSX Snow Leopard with Entourage. New one is OSX Mavericks. Using Mail where are my addresses and old address book. Transferred old computer backup by Time Machine and other things work? Can;t see a symbol for address book.

    Where are addresses kept on MAIL?  I don;t like the new format at all. Frances
    Begin forwarded message:
    From: Frances Topping <[email protected]>
    Subject: Re: - Old computer I had is OSX Snow Leopard with Entourage. New one is OSX Mavericks. Using Mail where are my addresses and old address book. Transferred old computer backup by Time Machine and other things work? Can't see a symbol for address book.
    Date: August 25, 2014 at 9:46:01 AM EDT
    To: discussions-replies <[email protected]>
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