scubapro

Hi to all, i'm Alberto new on this forum...downloaded raw copy of mavericks and copyed with diskimager on 64GB pendrive... After that i have booted on acer apire 5741 (proc: I3 Intel mainboard: new70 L11 video: Ati HD 5470) but at boot remain black screen with blinking cursor... seems usb without boot..its possible? is possible on my pc to install mavericks WITHOUT virtual box?? now i'm trying again... tnx to all in advance Alberto.