Please make sure you are signed in using your AFI or AACTA Member username and password. To do so, click on the 'Login' button on the top right of screen.
Please try to play back another video, if you still cant get any playback try a different browser or computer. The video should playback on any device.
The video will play back at whatever quality you have the bandwidth for. If you internet connection is fast you will get a high quality picture. Make sure your not using your bandwidth on other things at the same time, ie downloading computer updates.