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OS X - Operating System General OS operation information and support

OS 10.5 - Full Format And Install OS X

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Member Since: Apr 01, 2008
Posts: 1
jerryho is on a distinguished road

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Hello, I've been a PC/Windows user for over 20 years and just go an iMAC this weekend... I'm loving every bit of it.

I've spent some time over the weekend and during the week playing within OS X. I've installed Boot-Camp (on a seperate bootable drive) as well as parallels.

I wanted to find out how I can "start over the machine from scatch" and do a full format of all of the hard disk partitions and re-install OS-X. In other words, how do I wipe out everything and start again?

I tried to install the OS-X CDs within OS-X, it re installs, but my old programs are still there after I'm done..... please help.
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Member Since: Feb 24, 2008
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Mac Specs: 15" MacBook Pro 2.7 GHz Quad i7, 16GB | 27" iMac 3.1 GHz Quad i5 12GB| OS X.x | iPhone 4 iOS 7.1.2

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you will have to choose erase & install at the time of reinstalling ...please make sure you have any/all important data backed up...

<< i can explain it to you...but i can't understand it for you... >>
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Boot from the disc and find Disk Utility from under one of the the menu bar options on top. Select the drive and erase any partitions and create a new one. Then go back to OS X setup and select the Erase & Install option.

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