title: start genymotion vm but without genymotion
body: <p>I created a virtual machine by genymotion  successfully. </p>
  
  <p>Now, I want to start a virtual machine directly on the virtual box without
      genymotion but I got the virtual box blank. </p>
  
  <p>How can I get the android window display on the virtual machine output,not the black screen....
  What I want is:</p>
  
  <p><img src="https://i.stack.imgur.com/cuclg.jpg" alt="enter image description here"></p>
  
  <p>but I got this </p>
  
  <p><img src="https://i.stack.imgur.com/AjATq.jpg" alt="enter image description here"></p>