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OS X - Operating System General OS operation information and support

Partition Help

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Member Since: Mar 18, 2010
Posts: 1
joeschmo is on a distinguished road

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Alright guys, I need a hand. A while back, using bootcamp, I decided to re partition my hard drive and install myself ubuntu. However, I messed up a little bit, and now i've made a mess of things. When I open disk utility, my harddrive now as three partitions: Macintosh HD - formatted Mac OS Extended (Journaled) - 181.9 gb. disk0s3 - formatted MS-DOS(FAT) - 48.7 gb. Linux Swap - formatted Mac OS extended (Journaled) - 2.1 gb. The second disk has nothing on it, and the linux swap is about half full. I also employed a boot selector on startup to choose between mac and linux, but I do not remember what its called.

What I would like to do, is reformat my hard drive and reinstall mac OS so that the linux partitions are gone, and my hard drive is once again completely devoted to mac OS. I have the startup disk for mac OS, however, I am not sure how to go about doing this to repair my errors. I tried simply deleting the additional partitions in disk utility, but it did not work. Any advice?
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Member Since: Mar 19, 2010
Location: Very Much on the south coast of the UK
Posts: 11
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Mac Specs:  MacBook Pro Uni, 2.4GHz 4GB, 128 Samsung SSD

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Hi there!

Im pretty sure the boot selector you used was called reFIT. The way i would tackle your issue would be to back up your mac, using time machine or carbon copy cloner, assuming you want to keep the data.

After that, boot from your install disk 1, that came with your mac or a upgrade disk you might have. Don't to a install, but in the menu bar, choose >utilies>disk utility.

From there, click on your harddrive, then >partition > volume scheme, from the drop down menu, choose 1 partition. Click apply. then reinstall osx!

Hope that helps
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