Need to reformat HDD running Mountain Lion and install Snow Leopard

I bought a new Retina Display MBP and want to sell my Late 2008 MBP.
My 2008 MBP is running Mountain Lion, but I want to format the HDD and install Snow Leopard. When I try installing Snow Leopard from the DVD, I get the following message: "You can;t use this version of the application Install Mac OS X.app with this version of Mac OS X."
How can I get this done?

The only way to do it is to boot from the Snow Leopard installer disc and the erase and install.  In other words you cannot "downgrade" OS X 10.6 over top of 10.8.  Besides, if selling it an erase and install is the best thing to do anywya - gets all your info off it.

Similar Messages

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  • How do I mirror my 24"iMac 2.8GHz Intel core 2 duo to my Apple TV? I am running Mountain Lion and My iMac is an early 2008 model. Thanks

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  • Hi, I have a mac book pro running mavericks and recently tried to connect to a 3rd ten apple tv but the airplay icon is not showing up in the top bar. I then tried my girlfriends laptop running mountain lion and it showed up straight away. Any suggestions

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  • I am running Mountain Lion and have trouble installing Adobe Application Manager

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  • Have a late 2007 MacBook 2.2 Ghz Intel Core 2 Duo, memory upgraded to 4 GB 667 MHz.  What do I need to upgrade to run Mountain Lion OS 10.8?

    Have a late 2007 MacBook 2.2 Ghz Intel Core 2 Duo, memory upgraded to 4 GB 667 MHz.  What do I need to upgrade to run Mountain Lion OS 10.8?

    While we all have MacBooks in this forum most of us don’t run Lion. There's a Lion Support Community where everybody has Lion. You should also post this question there to increase your chances of getting an answer. https://discussions.apple.com/community/mac_os/mac_os_x_v10.7_lion

  • I recently downgraded from Mountain Lion back to Snow Leopard and I forgot to export my bookmarks.

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  • Is mountain lion compatible with snow leopard?

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    VMware and Toaster can be upgraded to versions that will run on Mountain Lion.
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  • How to uninstall Lion and restore Snow Leopard?

    I did upgrade from Leopard to Lion 10.7.1 two days ago. After that my 2.8 GHz Core i5 4GB DDR3 start to jerking, I sometime even start any applications. That is never happen before when running on Leopard. I can not work for two days already. Anybody can teach me how to restore my iMac to Leopard without harming data stored?

    Kappy has a nice writeup, but basically.... back up your data, boot from your Snow Leopard DVD (hold C), go into Disk Utilities and erase your Lion partition. After that completes, back out of Disk Utilites and install Snow Leopard, reinstall your apps and restore your data.

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