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Keyboard and Mouse not working on install screen

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I've finally got my 10.8.5 to boot up to the install screen but the keyboard and mouse is not working.


I have tried booting with USBBusFix=Yes and my USB Legacy in BIOS is set to enabled.


My system is


Motherboard: Gigabyte GA-78LMT-USB3

CPU: AMD FX 4130 3.8GHz Quad Core

Memory: DDR3 8GB

Graphics: ATI 3000 (Built into motherboard)



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@antneyb Boot with -x -v USBBusFix=Yes GraphicsEnabler=No

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