USB Boot Issues

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  1. First off, I do not know if this is the right section for this but here it goes.

    My current laptop is an ASUS G46VW which has:
    Operating System: Microsoft Windows 8 64-bit
    CPU: Intel Core i5 3210M @ 2.50GHz; Ivy Bridge 22nm Technology
    RAM: 8.00 GB Dual-Channel DDR3 @ 798MHz (11-11-11-28)
    Motherboard: (Not Sure; Only know it has American Megatrends UEFI BIOS 209)
    Graphics: Generic PnP Monitor (1366x768@60Hz); NVIDIA GeForce GTX 660M; Intel HD Graphics 4000
    Hard Drives: 699GB Seagate ST750LM022 HN-M750MBB (SATA)

    I am currently trying to dual boot OSX Mountain Lion on a seperate partiton I have set up. I used this guide: http://www.macbreaker.com/2012/08/mountain-lion-mbr-unibeast.html & my PC does not want to boot a bootable USB (SanDisk 32GB & PNY 8GB) for some reason. It does not show up in boot options if I have it plugged in. It only shows up if it were set up as a normal USB in BIOS as (UEFI: NameOfDrive). I read somehwhere about my PC just not recognizing USB's as bootable but would recognize HDD as bootable so I setup my USB in OSX with 2 partitions & after doing the tutorial again I finally got BIOS to recognize the USB. Even when I force boot the USB drive I get nothing & it comes straight back to the BIOS (I disabled Windows boot so I could troubleshoot). I think the reason it was showing up was because 2nd partition was formatted as FAT; it will not show if I format both partitions as Mac OSX Extended

    Anyone have any suggestions?
  2. Delete
  3. Don't ask same question again.
  4. Update bios
  5. Delete
  6. This next topics has been merged by Mousemonkey
    USB Boot Issues
    USB Boot Issues
    USB Boot Issues
  7. I have no idea what happen with all the posts. Sorry about all that.

    I have updated to the newest BIOS and still having the same problem.
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