can't get into os x

Computer Specs: i5-3570 PNY GTX GeForce 750 16 GB Ram ASUS p8z77-v LK Motherboard I just recently decided to with my windows 8 PC to a Yosemite hackintosh. I installed everything onto my USB correctly (as far as i know) and when i go to boot up my USB on my soon to be hackintosh (hopefully)...