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I'm trying to install Ubuntu in Mac and have followed steps mentioned on Ubuntu's website to make my thumb drive bootable. But when i am restarting my Mac and press Option key, it didn't detect my thumb drive. I am assuming that the issue is because of the format of the drive which is the default FAT. Is there any other format required??

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closed as too localized by jrg Dec 26 '12 at 1:46

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why was it down voted? –  subeh.sharma Mar 26 '12 at 16:56

2 Answers 2

  1. It doesn't make sense, to copy/paste the entire information + images, since you are one click away.

  2. Also have a look at rEFit Boot Loader, that provides the simplest installation option i know of.

Quote: Installing on a separate volume or external disk

If you’re uncomfortable with having rEFIt on your Mac OS X volume, you can install it on any other volume, as long as it is formatted in the HFS+ (“Mac OS Extended”) format. For example, you can install rEFIt on a USB flash drive.

The installation procedure is basically the same as explained above — copy the “efi” folder to the root of the volume, and run “” inside the “efi/refit” directory. The path in Terminal will be different, for example /Volumes/MyStick/efi/refit if the volume is named MyStick.

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Not only could it be that, but it also could be the fact that your BIOS (Basic Input Output System) doesn't support booting from a Flash Drive. How old is your computer? If you could provide any additional information about your system, I can do a little research and see if this is the instance.

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Bought it yesterday only :-) –  subeh.sharma Mar 23 '12 at 19:49
Then you should not have any problems booting from a USB stick if the MAC is brand-new. However, if you cannot find a way to get into your BIOS to change your boot priority; or you do not feel like wasting the time there is always the method of cd booting. You will need the same .iso file as before. You can find additional instructions here. This Yahoo Questions Answer can show you how to enter you BIOS! –  RSX-1327 Mar 23 '12 at 19:55

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