title: Android studio: emulator is running but not showing up in Run App "choose a running device"
body: <p>I have launched my emulator via the AVD manager and once it's running I have clicked on <code>run app</code>. I have waited a couple of minutes for my running device to show up in <code>choose a running device</code> but the window always stays blank. </p>
  
  <p><img src="https://i.stack.imgur.com/KptLn.png" alt="enter image description here"></p>