User-agent:
Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.7.0
Today I had need to play a youtube video and found that they play but
the video is plain black. I can only hear the audio. I tried downloading
a different app and playing through the browser but same deal. Anyone
else have this and is it a known problem?