It seems many people couldn’t get an original – unmodified Yosemite or Maverick App to create a USB installer correctly. I found a way that people can download the original OS X Yosemite app from Apple website. This procedure requires:
3. Mac OS X VMWare virtual disk (Google).
4. 8GB+ USB flash drive.
When the USB flash drive is done, you can follow this tutorial to try to install Yosemite.
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