Powerpoint problems with HDMI connection to TV

[Ken Moore1]

Until relatively recently, PowerPoint presentations would display perfectly on an external TV via an HDMI connection. This all changed (I assume some update messed it up) and now when a video with sound is on a slide either the sound is badly lagging or the whole thing freezes. It works perfectly when connected to an HDMI monitor but the TV connection is required because when training a large TV is what is available.This is on a Win11home laptop - the same presentation displays perfectly using an older version of Windows (W7).Anyone else found this or, better still, have a solution?

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