It is always a good idea to check your learning materials once you’ve loaded them to the VLE – if you have access to a student account then I strongly recommend this, if no other reason so you can test to see file permissions are set correctly. Alongside this kind of checking it is worth trying your materials on a student PC (if you have access to the student PC labs) to see if video plays correctly.
For those who haven’t realised it YouTube recently changed the default code you use if you want to embed a video in a webpage. While the majority will not notice any difference (my included) some PCs are not set up to display the media in the same way and, for some poor souls, it doesn’t play at all.
So, what do you do? Thankfully YouTube have left the old embed code available for you to use. So, here is how you do it in Blackboard: