Excuse Posted October 28, 2013 Share Posted October 28, 2013 Made a USB installer with MyHack, with Mavericks, and when I try to boot from the USB it brings up the apple logo and then goes to a black screen, help anyone? Specs:ASUS Rampage IV Extreme LGA 2011 Intel X79 SATA 6Gb/s USB 3.0 Extended ATX Intel MotherboardEVGA GeForce GTX580 CLASSIFIED ULTRA HydroCopper, 3072MB GDDR5 x4Intel Core i7-3930K Sandy Bridge-E 3.2GHz (3.8GHz Turbo) LGA 2011 130W Six-Core Desktop ProcessorCORSAIR Vengeance 64GB (8 x 8GB) 240-Pin DDR3 SDRAM DDR3 1600 Desktop Memory Model Thanks Link to comment Share on other sites More sharing options...
redneck Posted October 28, 2013 Share Posted October 28, 2013 Try installing latest chameleon bootloader to usb. I have used myhack after install to tweak Link to comment Share on other sites More sharing options...
kvonlinee Posted October 28, 2013 Share Posted October 28, 2013 you may want to boot with boot flag PciRoot=0 npci=0x2000 GraphicsEnabler=Yes -v Link to comment Share on other sites More sharing options...
williamrochira Posted October 29, 2013 Share Posted October 29, 2013 Thanks to kvonlinee. GraphicsEnabler worked for me. I should have remembered really, haven't installed OS X for 4 years, even then I used the GE boot flag... Thanks anyway, I have Mavericks up and running on my machine now! Link to comment Share on other sites More sharing options...
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