It looks like you have missing some codecs or libs. Try installing these: sudo apt-get install libavcodec57 libavcodec-extra57 va-driver-all vdpau-va-driver
Did you tried or have installed adobe flash player plugin? Also, tell me about your hardware. On 12.09.2017 16:53, Whit Hansell wrote: > It's Firefox ESR 52.3.0 (64 bit) > > As to you tube, when I go to youtube (youtube.com) and click on any of > the videos available a new page opens w. only a black video graphic. > No way to start it so I have found that if I refresh the pate a new > page starts w. the various video graphics at the bottom of that same > black video graphic but w. the message about the browser not suporting > any of the video formats and with the message about html5. I can't > start the graphic using the start button in the graphic, nothing happens. > > I just picked one video from the youtube.com site and this is the > url. It really doesn't matter which one I select... > > https://www.youtube.com/watch?v=2IqDsPXfzjk > > I don't get it. Have been having this same problem about the first > graphic not working for about a week but was able to get it sorking > when the refresh page hit and I could hit the start graphic button in > the video frame. It no longer works.... > > Thanks. > > Whit Hansell > > > > On 09/11/2017 06:40 PM, Ben Caradoc-Davies wrote: >> On 12/09/17 09:34, Whit Hansell wrote: >>> Does anyone know what to do abouut this error messagfe on >>> YouTube.....??? >>> Your browser does not currently recognize any of the video formats >>> available >>> Thanks. I've searched for the answer but nothing makes any >>> sense.... and many of the answers are very old.... The youtube >>> screen points me to a page about firefox and html5 but I can't find >>> out how to fix the problem...... >> >> What browser and version, and what YouTube URL? >> >> Kind regards, >> >
