for google
1 Right-click in the middle of the on the video you're having issues with
2 Click Settings
3 Click the left-most tab
4 Uncheck the 'Enable hardware acceleration' checkbox to disable hardware acceleration.
5 Refresh the page
and that's it!

For those using Chrome: Go to Settings -> Show Advanced Settings (scroll all the way down and click the text to expand) -> System -> Untick "Use hardware acceleration when available".

Thanks but , Oh no it isn't Mr Duck.

Thanks for that trick edd, however it did not work with my set up and chrome.
I have a topic looking into this,
https://www.wikiwirral.co.uk/forums...embedded-videos-problem.html#Post1017179

I suspect its an update on my side to fix this

Thanks for your feedback.

Mark

sorry granny and mark as I don't have the black strip on youtube I thought it was youtube black screen, my bad (I use firefox so not seen strip)