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Possible Duplicate:
How do I make a bootable USB flash drive for a MacBook Air?

How to make a bootable USB key from any .iso image on Mac OS X?

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marked as duplicate by patrix, Stu Wilson, Thecafremo, Mark, CajunLuke Oct 25 '12 at 14:02

This question was marked as an exact duplicate of an existing question.

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I do not believe this is truly a duplicate, as it states "any .iso". The flagged "duplicate" is specific to making a bootable USB drive with OSX. In my case I am building a PC with no optical drive, need to get the Windows .ISO onto a flash drive, and I have only Macs available to do it. The answer below appears to be appropriate, but I have not yet tried it... – mbmcavoy Feb 13 '13 at 20:08

This article explains it very well: Making a bootable USB key from an .iso image on Mac OS X

To boot the system from such a drive, press ⌥ immediately after rebooting.

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We're looking for long answers that provide some explanation and context. Don't just give a one-line answer; explain why your answer is right, ideally with citations. Answers that don't include explanations may be removed.

    
instructions from article please? – rogerdpack Apr 7 at 22:24

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