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Using Unibeast to create bootable USB on large drive

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I have a 1TB removable USB drive. I wanted to use Unibeast to make this drive bootable under OS X Yosemite. When I run Unibeast, I get past continue, continue, continue, agree and it says it cannot find any drives to install on that are > 7GB with a MAC partition. I partitioned the drive as a MAC partition using the disk utility as instructed. Nothing appears in the install.log file for Unibeast and in the unibeast log file, it only shows where it has been started. Can Unibeast not create large bootable drives? (I didn't have a thumb drive handy).

Thanks.
 
Whether this thread is still relevant or not:
I was having the same problem with a large usb drive..
I tried to fix it for at least 3 g0ddam hours (!!) and Finally found a solution.

Just Partition the hard drive into 2 partitions, the first as a 7-32 GB master boot record and,
the rest free space as a GUID table partition.

Its that simple.:)
 
As long as the OS X installation partition is a maximum size of 32 GB (it only actually needs to be 8GB), then any/all other partitions can be larger. hardly worth buying 8GB drives these days as larger drives are much better bang for buck.
 
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