How to fix glitched file in Final Cut Pro timeline?

Whenever I use an overlay effect in my Final Cut Pro x timeline, it completely glitches the file and comes up showing this. Does anybody have a solution? I can’t figure anything out to fix this and I have tons of footage to edit and these effects are very essential to the video.

Mac mini, macOS 10.13

Posted on Mar 11, 2021 11:38 AM

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Posted on Mar 14, 2021 9:27 AM

Have you tried resetting FCP's preferences? To delete preferences, hold down command and option while launching FCPX and click Delete Preferences in the dialog that displays. FCP will open with a default Untitled library. Reopen the library you were working on and see if the problem is fixed. You'll need to reset your preferences back to the way you like them.

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27 replies

Mar 13, 2021 4:43 PM in response to Tom Wolsky

It’s an older mac I know that, but I’ve never had a problem like this. Media should show up and not glitch like this. The overlay isn’t slowed down, that’s just the footage from my video under it. It’s not every thing I try to overlay, it’s just certain videos. Even within the Final Cut Pro app itself I have problems using certain title effects and all. All of it simply plays out as this glitched media while I’m editing. It even renders out showing that. But what do you mean it’s not rendering correctly? Could it be my system graphics that doesn’t support Final Cut Pro?

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How to fix glitched file in Final Cut Pro timeline?

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