Issues with Video Playback (no audio on Laptop or mobile devices)

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Occasional Visitor

Hi all,

 

SharePoint Online

Have tried a variety of devices and browsers.

 

My issue is with video playback regarding uploaded videos; on Desktop uploaded videos play perfectly. However when viewing the same pages/files on Laptops or mobile devices the video plays, but there is no audio.

 

I can't fathom why this is the case, I have tried viewing the files in both File viewer and Document Library web parts but to no avail.

 

Is this a known issue? Has anyone else encountered this before?

 

Thank you.

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