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macOS 14.4.1 (23E224) - Playing MOV,MP4 video files causes hanging up

My MacBook Pro 2021: M1 Pro chip, macOS 14.4.1 (23E224)

Every time I play a video file like MOV, MP4 (recorded by my iPhone 15 Pro or screen recorded by Quicktime on Mac) it always hangs after about 30-60s of playing and automatically restarts.

I have tried playing with Quicktime, Preview, VLC but I get the same results.


Does anyone know why?

MacBook Pro 14″, macOS 14.4

Posted on May 1, 2024 1:52 AM

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Question marked as Top-ranking reply

Posted on May 4, 2024 7:34 AM

Please do these Mac troubleshooting tests, to help find a cause and/or solution:

Let us know the results of these in combination with your video playback.

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3 replies
Question marked as Top-ranking reply

May 4, 2024 7:34 AM in response to Trần Quang Đạo

Please do these Mac troubleshooting tests, to help find a cause and/or solution:

Let us know the results of these in combination with your video playback.

May 6, 2024 12:15 PM in response to Trần Quang Đạo

The problem is solved, but I don't know why. Here is what I did as you suggested:

  1. Reboot and start my Mac in safe mode.
  2. Play the MOV file without error in both Preview and Quicktime.
  3. Restart in normal mode, delete login item (I only have 1 item) and disable all background items (I have 5) -> then play MOV file without any error.
  4. Restore login item and 5 background items as before -> MOV file plays without error.


Problem solved without a reason :))

Thank you!

macOS 14.4.1 (23E224) - Playing MOV,MP4 video files causes hanging up

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