When you click to play a video or a Gif in Facebook, YouTube or any other website using Chrome browser on computers having new AMD graphics card. You will notice when video starts playing the player become either partially black or goes completely dark while you can hear the audio. something like below happens
To fix the issue Open Chrome Browser and in Address bar type
Disable the Hardware-accelerated video decode
Re launch Chrome
Now play the video or Gif again it will not be blacked out again.