- Laufwerg generated when playing clearly perceptible operating noise - No time delay, it is not possible to jump a certain point in the video - Chapter in MKVs are not recognized - MKV files, in which there are 720p50Hz, 1080i50Hz or 1080p50Hz videos are played continuously at 60Hz, which leads to a strong verruckelten playback. I do not know if the device does something can play with 50Hz. Blu-ray playback is performed correctly with 24Hz.