lenovo ideapad 100s-11IBY no permite bootear desde USB y me sale Recovery you pc/divices needs to be repaired  A required divice isn't connected or can't be accessed. error code: 0xc000000f you'll need to use recpvery tools. lf you don't have any installation media [like a dick or usb divice], contact you pc administrator or pc/divice manufacturer. y mas abajo me dice que Press the Windows key for URFI Firmware setting. le preciono pero no hace nada por favor ayuda