Solution:
Please try to play the video on local or other platforms.
1.If the fault recurs, there may be a problem with the display or the motherboard / three-in-one board. Please check the display or the motherboard / three-in-one board.
2.If the failure does not recur, it may be a separate platform problem. You need to grab the log and feedback information such as the source and clarity of the film.
Does it help?