Html5 Video is not playing on Chrome in carousel

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Hello,
I have some problems with a video I uploaded in a carousel slideshow; it doesn't work on Chrome (just a blank space appears), but it works on Safari.
The funny thing is that I've uploaded the same video before of 22MB and it worked. Then I changed it with a lighter version of 4MB and stopped working.
Do you know how this could be fixed?

Thank you very much in advance.
Alice
alicezani.com

Hey Alice!

I think it probably has to do with the way the video is formatted. Can you try and use the free program handbrake? https://handbrake.fr/

With this program you can convert videos. Can you try and use your original video and convert it to a mp4 and then use that?

It worked!
Thank you very much!