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Problems reinstalling 10.8.4 via Unibeast USB drive

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Joined
Apr 30, 2013
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14
Motherboard
Asus B250-Plus
CPU
i5
Graphics
MSI GTX 970
Mac
  1. MacBook Air
  2. MacBook Pro
  3. Mac Pro
Classic Mac
  1. iBook
  2. iMac
  3. Power Mac
  4. PowerBook
  5. SE
Mobile Phone
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My hack is exhibiting SBBOD at every keyboard/mouse click after a series of incidents not worth relating (hopefully). Data is backed up, and I'm doing a clean install of 10.8.4 to my boot drive, an OWC 240GB SSD. 10.8.4 was already running successfully pre-problems.
I created a USB Unibeast install drive, and couldnt get the hack to boot from the USB drive (after F12-choose boot device, choosing USB-HDD per TonyMac instructions) unless I unplugged my boot drive, the SSD. (This is the drive I want to wipe and reinstall.)

Once I unplugged the drive, I can now see the "Chimera Boot Screen": two icons:–– the unibeast apple, and the USB drive w/picture of friendly cat (named "USB Unibeast 10.8.4 Boot").

From here I am unable to get the machine to "choose" the USB drive per instructions, and don't know how to do the following as per instructions:

You may have to type extra command line flags to reach the installer.

Any help would be greatly appreciated.

Specs:

processor
2.83 Hz Intel Core i7


memory
24 gb 1600 MHz DDR3


graphics
GeForce 9800 GTX+ 512 MB


Serial Number
YM0330U7EUH


Software
OS X 10.8.4


Motherboard
GA-EX58-UD5
(Gigabyte)
 
Joined
Jun 6, 2013
Messages
22
Motherboard
ASUS P8Z77-I Deluxe (Mini ITX)
CPU
Intel Core I7 3770K
Graphics
Gigabyte Nvidia GTX 680
Mac
  1. MacBook Pro
Mobile Phone
  1. iOS
Also having the same issue! Stuck on the Chimera Bootloader screen with the ML icon with USB-HDD under it but cant use my keyboard or mouse to progress any further :(
 
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