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Final Cut X (10.3.4) crashing on external display

Under MacOS High Sierra, Final Cut X (10.3.4) crashing when starting on external display. To recreate this event, you must close your MBP/MB lid with an external display attached - either hdmi or dvi. Run with the external display as the primary, then start Final Cut x (10.3.4). The app will crash immediately after starting.

I have experienced this crashing event on my new mid 2017 MBP as well as on my mid 2012 non retina macbook pro. The only work around I could find is to start final cut x with the lid open, then once the app has loaded close the lid and allow the cpu to migrate the desktop to the external display.

I hope that apple will apply a fix for this bug in the near future.

MacBook Pro TouchBar and Touch ID, macOS High Sierra (10.13), 3.1 ghz i7, Radeon Pro 4gb

Posted on Sep 26, 2017 9:20 PM

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Level 1

8 points

Posted on Oct 6, 2017 7:25 AM

Thanks.... 🙂

I was tearing my hair out with this when Final Cut X (10.3.4) starting crashing on exit with OSX 11.0 recent update...

I'm using the workaround, but what a pain in the *** ....

Regards,

Doug

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Level 10

152,327 points

Oct 7, 2017 10:57 PM in response to bboyinkSL

Did you read the thread on how to avoid the problem?

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Oct 9, 2017 5:04 AM in response to modern artist

I have the same problem. Imovie is also crashing shortly after loading when laptop is closed and connected to a external display.

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Oct 16, 2017 8:30 PM in response to randomaccess2000

How about compressor? Trying to export via compressor and it's not working. The progress bar doesn't move and eventually the job disappears..

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Oct 16, 2017 9:40 PM in response to honourhim

Have you tried using the same workaround?

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Oct 16, 2017 9:57 PM in response to ItsNoProblem

Nope. But found another workaround. Add in the specific compressor custom setting in the File > Share and it exports fine.

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Oct 31, 2017 12:21 PM in response to modern artist

That worked!! That is so random. Hope they fix it soon.

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Level 1

4 points

Nov 2, 2017 10:09 PM in response to modern artist

Same here with lg monitors, keep crashing

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Dec 4, 2017 2:59 PM in response to WillyCheung

I have uninstalled the LG screen manager, and since then, the crash happened very infrequently.

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Level 10

152,327 points

Dec 10, 2017 6:51 AM in response to mac15back

You do know it only crashes when the laptop is closed at launch? And after it’s opened and the monitor is accessed the laptop can be closed?

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Dec 14, 2017 5:03 PM in response to modern artist

Seems to be fixed with Final Cut X 10.4! So far problem is gone for me.

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Level 1

11 points

Dec 14, 2017 5:39 PM in response to modern artist

Had the same problem. Seems to be fixed in 10.4

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Dec 14, 2017 10:26 PM in response to Ranger099

Thanks for the update and letting us know.

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Final Cut X (10.3.4) crashing on external display

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