updated to sierra on IMAC and MacBook Pro.. went to you tube for music vids. error message says browser, safari, doesn't support HTML5. I used you tube no problem before the update without a problem. what did I not do?
iMac, macOS Sierra (10.12)
Posted on Sep 28, 2016 9:14 AM
Q: updated to sierra. you tube won't play
Read http://www.macrumors.com/2016/06/14/safari-macos-sierra-plugins-disabled-default /
