black screen on QuickTime
Slowly when I open some file.avi with QuickTime, more and more often the screen is black but I hear the sound. Some open, some remain black. The file icon shows there is video. When opening with other app (e.g. 5KPlayer), the video is OK. Opening in other laptop, OK. When I transfer to iMovie, all OK. What is going on? Restarted laptop, all same.
MacBook Pro OS15.1.1 (24B91).
Quick Time Player Version 10.5 (1214.1)
MacBook Pro (M2 Pro, 2023)